Magnetic closure device with holding-open mechanism

Abstract

The proposed solution relates to a closure device (2) for closing an opening (O), wherein - at least one first closure part (31) and at least one second closure part (32) interact by magnetic attraction in such a way that, in a closed position of the closure device (2), the opening is closed, and - in order to free the opening (O), the first closure part (31) and the second closure part (32) are movable into an open position counter to a magnetic force applied by the first and second closure parts (31, 32). The closure device (2) has at least one holding-open mechanism (4, 4A, 4B) via which the first and second closure parts (31, 32) are locked in the open position and which, with a holding force, counteracts a movement of the first and second closure parts (31, 32) into the closed position.

Description

[0001] Magnetic locking device with hold-open mechanism

[0002] Description

[0003] The proposed solution relates to a closure device for closing an opening formed between a first closing section and a second closing section.

[0004] The closing sections can be part of a storage device. A cavity in a hollow body of the storage device can then be closed via the opening closed by means of the closing device. Such a storage device is intended, for example, to accommodate an object, for example an electronic object such as a mobile phone, a camera, a tablet or laptop computer, or the like, or another everyday object, for example a wallet or a means of payment such as a credit card, documents, clothing, and / or food. Such a storage device serves to accommodate and protect objects, in particular from moisture, dirt, or other external influences. This is intended to enable the objects to be carried in difficult environments, for example during water sports, but also at work, for example.In principle, a storage device can also be designed and provided to hold a liquid, whereby the liquid can then be introduced into and / or removed from a hollow body via a closable opening.

[0005] A hollow body has a cavity, for example formed between a first wall and a second wall, in which the object or liquid to be accommodated in the storage device can be stored. To close the hollow body, a closure device is then provided, which comprises at least a first closure part and at least a second closure part. In one embodiment, the first closure part has a first strip body extending longitudinally in a transverse direction and is arranged on a first closing section of the first wall, and the second closure part has a second strip body extending longitudinally in the transverse direction and is arranged on a second closing section of the second wall.The first closure part and the second closure part interact in a magnetically attractive manner such that, in a closed position in which the hollow body is closed, the first closure section and the second closure section abut one another. Such a storage device is known, for example, from EP 2 571 391 B1.

[0006] Although a storage device known from EP 2 571391 B1 is easy to operate for a user, there is still a fundamental need for storage devices or improved locking devices that are improved in this respect.

[0007] A locking device according to claim 1 provides a remedy here.

[0008] Thus, a closure device for closing an opening is proposed, wherein the closure device comprises at least a first closure part and at least one second closure part. The first closure part and the second closure part interact in a magnetically attractive manner such that, in a closed position of the closure device, the opening is closed, for example, by the first and second closure parts directly abutting one another or by first and second closing sections on which the first and second closure parts are arranged. Furthermore, the first closure part and the second closure part can be displaced into an open position against a magnetic force applied by the first and second closure parts to release the opening.In addition, a proposed closure device has at least one hold-open mechanism, by means of which the first and second closure parts are locked in the open position and which counteracts a displacement of the first and second closure parts into the closed position with an (open) holding force.

[0009] A basic idea of ​​the proposed solution is thus to be able to hold a closure device in an open position via at least one hold-open mechanism, without the user having to apply force to the closure device or its closure parts after the open position has been reached. The closure parts thus remain in the open position without the user having to constantly engage the closure parts. This can facilitate the introduction of an object and / or a liquid through the released opening and improve handling.

[0010] Locking the open position via the hold-open mechanism thus means that the first and second closure parts remain in an assumed open position and can only be moved from this open position to the closed position by overcoming the holding force. The locking mechanism therefore applies a holding force that holds the first and second closure parts in the open position.

[0011] A magnetic attraction force between the first and second closure parts further ensures that, after overcoming the holding force applied by the hold-open mechanism, the first and second closure parts are adjusted to the closed position and the associated closing of the opening is carried out with magnetic force assistance, at least over part of a closing movement. Under the effect of the magnetic force, the closure sections are brought back into contact with one another, possibly into sealing contact with one another. This makes it easier for a user to both close the opening and keep it open with a proposed closure device, and improves the handling of the closure device of a closure system formed thereby.

[0012] In principle, it is also possible with a proposed closure device to prestress the closure parts toward the closed position via at least one spring element and / or elastic closure parts. This supports automatic closing of the closure device once the holding force of the hold-open mechanism has been overcome. Such prestressing can act in particular in a first region of a closing path to be bridged by the first and second closure parts from the open position to the closed position, in which the magnetic force applied by the first and second closure parts is not yet sufficient (on its own) to cause the closure parts to move into the closed position.

[0013] An automatic adjustment of the closure parts toward the closed position or a corresponding closing force can thus be provided by one or more spring elements, the magnetic attraction force of the first and second closure parts, and / or by an elastic design of the closure parts, so that after overcoming the holding force applied by the at least one hold-open mechanism, an automatic adjustment of the first and second closure parts toward the closed position occurs. Therefore, for example, only an actuating force that exceeds the holding force needs to be manually applied to the closure device in order to unlock the hold-open mechanism and trigger an automatic adjustment of the closure parts toward the closed position.

[0014] Alternatively, in one embodiment variant, a restoring force in the direction of the open position can be applied by the hold-open mechanism at least over a limited part of the closing path in the direction of the closed position in order to also keep the closure device open or to return it to the open position if an actuating force exceeding the holding force was applied to the hold-open mechanism only briefly and / or at a level disproportionately exceeding a threshold value.A corresponding actuating force must then, for example, be applied by a user over a longer period of time and / or at a level that disproportionately exceeds a threshold value in order to adjust the locking parts beyond a defined amount and thus over a predetermined part of the (total) closing travel in the direction of the closed position in order to avoid the locking parts automatically returning to the open position.

[0015] In principle, the closure parts can be provided for arrangement on first and second closure sections so that the closure parts can act on the closure sections. In this case, the opening can be formed between the first and second closure sections. In the open position, the closure sections are therefore separated from one another. In the closed position, to close the opening, the first and second closure parts can bear against one another or the first and second closure sections on which the first and second closure parts are arranged can be integrated therein, in particular. In the latter case, the closure parts which interact in a magnetically attractive manner can thus hold the closure sections in magnetic contact with one another in the closed position when the first and second closure parts are in their closed position.

[0016] To provide a magnetic interaction, the first closure part and / or the second closure part can each be formed from a magnetic material, for example by forming the closure parts from a plastic material, in particular a polymer material, or a silicone material to which a magnetic material in the form of magnetic particles is added. Alternatively, the closure parts can each accommodate a magnet arrangement made up of discrete magnetic elements, so that the closure parts interact in a magnetically attractive manner through the interaction of the magnet arrangements. It is conceivable for each closure part to have a permanently magnetic effect, for example by forming a closure part with permanent magnetic particles and thus being made from a permanent magnetic material, or by the magnet arrangements of the closure parts each being formed from an arrangement of permanent magnets.Alternatively, it is also possible for one closure part to be permanently magnetic in at least one section and the other closure part to act as a ferromagnetic armature in at least one section. For example, a ferromagnetic closure part comprises a body made of a ferromagnetic material (for example, a plastic material to which ferromagnetic particles are added) or has discrete ferromagnetic elements. In principle, the proposed solution includes, in particular, at least one pair of magnetic element and armature, or alternating multiple magnetic elements and armatures, being provided in one closure part, and one or more offset pairs of armatures and magnetic elements being provided in the other closure part.

[0017] If a closure part has a magnet arrangement consisting of discrete magnetic elements, the discrete magnetic elements can, for example, be arranged linearly along a transverse axis, with the discrete magnetic elements being regularly spaced from one another along the transverse axis. However, it is also conceivable and possible to arrange the discrete magnetic elements in a two-dimensional matrix in rows and columns, diagonally offset from one another, and / or at different sizes and distances from one another.

[0018] In principle, it is preferred that the holding force is predetermined by the hold-open mechanism so that it can be overcome manually. A proposed closure device is thus designed and provided for manual operation, although this is of course not mandatory. In one embodiment, for example, it can be provided that the holding force is (initially) not predetermined by the hold-open mechanism so that it can be overcome manually and that the hold-open mechanism comprises a locking device which must first be unlocked, preferably manually, before the hold-open mechanism allows the first and second closure parts to be adjusted into the closed position again. When the open position is reached, not only is the open position locked, but a locking mechanism is also provided at the same time, which applies the holding force counteracting any adjustment.Without releasing the locking mechanism provided by the locking device, the first and second closure parts can no longer be adjusted to the closed position without irreversibly destroying, damaging, or wearing out the locking device. A hold-open mechanism developed in this way requires, for example, an additional handle compared to a variant in which the holding force applied by the hold-open mechanism can be overcome by purely manual force applied to the first and second closure parts and thus without additional separate displacement of a component of the hold-open mechanism. However, this can more reliably prevent an unintentional adjustment to the closed position.

[0019] An additional locking device can, for example, provide a positive locking of two locking components which are provided on two locking elements of the hold-open mechanism.

[0020] The holding force can be applied via at least one form-fitting, a force-fitting, and / or a magnetic force. The first and second closure parts can thus be locked in the open position via the hold-open mechanism in a form-fitting, force-fitting, and / or magnetic manner. In other words, the hold-open mechanism can act in a form-fitting, force-fitting, and / or magnetic manner to apply the holding force and thereby lock the first and second closure parts in the open position.

[0021] An opening force can be applied via the hold-open mechanism, which at least supports the first and second closure parts assuming the open position and / or the locking of the first and second closure parts in the open position. This opening force can be higher in the open position of the first and second closure parts than in the closed position, in particular can be maximum, in order to support reaching and securing the open position. For the closed position, the hold-open mechanism is then designed in one embodiment such that the opening force of the first and second closure parts is lower than in the open position, in particular is minimal. In the closed position, on the other hand, a closing force applied by the first and second closure parts can be higher, in particular maximum, which supports a displacement of the first and second closure parts towards the closed position.This closing force is again lower in the open position, especially minimal.

[0022] In one embodiment, the hold-open mechanism comprises at least a first locking element and at least one second locking element, wherein the first and second locking elements interact with each other in the open position to lock the first and second closure parts in the open position. The first and second locking elements can interact magnetically, positively, and / or frictionally to lock the closure parts in the open position.

[0023] For example, the first and second locking elements for locking the first and second closure parts in the open position are adjusted from a rest position - bridging a predefined adjustment path - relative to one another into a locking position. This includes, in particular, that the first and second locking elements are adjusted with a displacement of the first and second closure parts from the closed position to the open position, namely from the rest position to their locking position. This also includes, however, that an adjustment of the locking elements from a rest position to the locking position leads to an adjustment of the closure parts from the closed position to the open position. It is further comprised that at least one of the first and second locking elements is provided on one of the first or second closure parts, in particular is formed thereon.

[0024] As already stated above, the first and second locking elements can, for example, interact in a magnetically attractive manner to lock the first and second closure parts in the open position. For example, the first and second locking elements interact in a magnetically attractive manner in this context such that the first and second locking elements are automatically moved into the locking position under the action of a magnetic force. The automatic transfer can depend on the first and second locking elements being adjusted from their rest position relative to one another by at least a defined amount of the predefined adjustment path toward the locking position.In one embodiment, for example, a (further) adjustment of the locking elements into the locking position is caused by magnetic force when the first and second locking elements have been adjusted from their rest position by at least half of the adjustment path, in particular by at least two-thirds of their adjustment path relative to one another, toward the locking position. The first and second locking elements are therefore configured and dimensioned, in particular with regard to the position and size of magnetic elements provided on or in the locking elements, such that the locking elements are automatically adjusted into the locking position locking the closure parts when the closure device has been opened beyond a defined extent.

[0025] In one embodiment variant, it can be provided alternatively or additionally that a magnetic force applied by the first and second locking elements, which supports a displacement of the first and second locking elements in the direction of the locking position, is higher in the open position of the first and second closure parts than in the closed position, in particular is maximum, and is lower in the closed position of the first and second closure parts than in the open position, in particular is minimum, while a magnetic force applied by the first and second closure parts, which supports a displacement of the first and second closure parts in the direction of the closed position, is higher in the closed position, in particular maximum, and lower in the open position, in particular minimum.The force curves of corresponding (magnetic) closing and holding-open forces are thus in opposite directions in such a design variant, so that from the user's point of view both the opening and closing of the locking device is perceived as pleasant and the locking parts are held in the open position as well as in the closed position with sufficient force.

[0026] For example, the first and second locking elements each have at least one magnetic element for locking the first and second closure parts in the open position. The magnetic elements of the locking elements then cooperate with one another to hold the locking elements in the locked position. A further magnetic element can be provided on at least one of the first and second locking elements. This further magnetic element can be polarized opposite to a magnetic element of the other locking element, so that magnetic elements of the first and second locking elements repel one another in the rest position and thus (initially) counteract a displacement of the first and second locking elements towards the locked position until a minimum adjustment path of the first and second locking elements relative to one another has been bridged.One or more additional magnetic elements of the first and second locking elements can thus assist the locking elements in assuming the rest position when the locking device is closed.

[0027] Alternatively or additionally, the first and second locking elements can be coupled to the first and second closure parts, in particular fixed or formed thereon, such that the first and second locking elements are transferred into the locking position when the first and second closure parts are displaced from the closed position into the open position, in which the first and second locking elements cooperate with one another to lock the first and second closure parts in the open position. For example, the first and second locking elements can each be pivoted about a pivot or hinge axis into the locking position while the first and second closure parts are displaced into the open position. An adjusting force for displacing the first and second closure parts can be applied (manually), for example, to the closure parts and / or to the locking elements.

[0028] In one embodiment, the first locking element has at least one first magnetic element, and the second locking element has at least one second magnetic element. The first and second magnetic elements can be displaced toward one another or at least partially over one another upon displacement of the first and second locking elements into the locking position.The first and second locking elements with the first and second magnetic elements provided thereon are consequently designed and arranged on the closure device in such a way that the displacement of the first and second locking elements from their rest position into the locking position is accompanied by a displacement movement of the first and second magnetic elements towards one another or at least partially over one another in order to bring the first and second magnetic elements closer together and to hold the locking elements in their locking position via the applied magnetic force or the applied magnetic forces.

[0029] In a first variant, in which the first and second magnetic elements can be moved towards one another as the first and second locking elements are moved into the locking position, the first and second magnetic elements then attract one another with a magnetic force which, in the locking position, acts essentially, in particular exactly parallel to a closing axis along which the first closure part and the second closure part can be moved towards one another from the open position into the closed position after overcoming the holding force, and / or which, in the locking position, acts essentially, in particular exactly perpendicular to a hinge axis about which a locking element can be moved from the rest position into the locking position. In the latter case, a force vector of the magnetic force can thus lie in a normal plane with respect to the hinge axis and, for example, also run at an angle other than 90° to a closing axis.

[0030] In an alternative embodiment, in which the first and second magnetic elements are at least partially displaceable over one another upon displacement of the first and second locking elements into the locking position, the first and second magnetic elements attract one another with a magnetic force which, in the locking position, acts substantially, in particular exactly perpendicular to a closing axis along which the first closure part and the second closure part can be displaced from the open position towards one another into the closed position after overcoming the holding force, and / or which, in the locking position, acts substantially, in particular exactly parallel to a hinge axis about which a locking element can be displaced from the rest position into the locking position. In the latter case, a force vector of the magnetic force can thus lie in a plane in which the hinge axis also runs.

[0031] Alternatively or in addition to a magnetically assisted locking of the first and second locking elements, it can be provided that the first and second locking elements of the hold-open mechanism are positively connected to one another in the open position of the first and second closure parts in order to lock the first and second closure parts in the open position. This includes, for example, a design variant in which the first and second locking elements are locked to one another in the open position of the first and second closure parts, for example by at least one locking element provided on one of the locking elements engaging in a locking opening or another locking element provided on the other locking element. In the case of intermeshing locking elements, locking lugs of the locking elements can, for example, lock to one another.An elastic or elastically mounted locking element, for example in the form of a locking lug, can thus engage or snap into a locking opening or engage with another locking lug when the first and second locking elements have assumed their locking position, in order to mechanically secure the assumed locking position. A locking opening can be formed, for example, as a recess or groove on a locking element. In particular, in the present case, a positive connection for locking in the locking position is intended to include a mechanical locking mechanism using a ball detent or a spring-loaded adjusting cam.

[0032] In one embodiment, the first closure part and the second closure part can be displaced from the open position toward one another into the closed position after overcoming the holding force applied by the hold-open mechanism. The first and second locking elements can in turn be arranged on the first and second locking sections in such a way that the at least one first locking element protrudes beyond an edge, preferably a lateral edge, of the first locking section, and the at least one second locking element protrudes beyond a corresponding edge, in particular a lateral edge, of the second locking section, so that the first and second locking elements are opposite one another.The locking elements of the closure device, which interact with one another when the closure parts are in the open position to hold the closure parts in the open position, thus protrude on opposite edges of the first and second closing sections, for example along a transverse direction along which the closure parts extend in the closed position, or at an angle to this transverse direction. On the one hand, this facilitates the accessibility and operability of the hold-open mechanism. On the other hand, the length of the projection of the locking elements can be used to vary the length of a (virtual) lever and thus a lever force transmitted via the locking elements relatively easily, for example if an opening force for transferring the closure parts into the open position is to be introduced at the locking elements.

[0033] In a possible further development, the first and second closure parts each extend along a transverse axis, and the first and second locking elements each protrude with at least a portion along the transverse axis beyond the ends of the closure parts. Analogous to the above-described embodiment with locking elements protruding beyond the lateral edges of the closure sections, corresponding advantages can also be achieved with locking elements protruding (laterally) beyond the ends of the closure parts.

[0034] In this context, it can also be provided that the first and second locking elements fix the first and second closure parts in a locking position in the open position in order to lock the first and second closure parts in the open position, and the first and second locking elements each have (in particular form) an operating section coupled to an associated closure part for a manual force application and are designed to adjust the closure parts from their closed position into the open position by displacing the first and second locking elements from a rest position towards the locking position - as a result of an actuating force applied manually to the operating sections.Consequently, in this embodiment, operating sections are provided on the locking elements, which are configured to apply an actuating force to move the locking parts from the closed position to the open position, in which the locking parts are then locked via the locking elements. Corresponding operating sections on the locking element side can also be provided in addition to actuating sections of the first and second locking parts, via which a manual application of force to the locking parts for moving them from the closed position to the open position and / or vice versa is enabled or at least facilitated. Actuating sections on the locking part side can be formed, for example, by tab-shaped, protruding grip sections.Alternatively, operating sections on the locking element side form the only possibility provided on the locking device for a proper application of force in order to move the first and second locking parts from the closed position to the open position and / or vice versa.

[0035] In one embodiment, the first and second locking elements are provided for arrangement in a cavity accessible via the opening. A first end piece of the first locking element and a second end piece of the second locking element are spaced apart from one another in the closed position and cooperate with one another in the open position to apply the holding force. In a storage device equipped with the proposed closure device, the locking elements in this embodiment are therefore located within the cavity and are spaced apart from one another when the first and second closure parts are in their closed position. For example, in a storage device, the first and second locking elements, which are inner here, are each connected on the inside to an associated lateral edge of a closure section or an adjoining section of the storage device.Opening the closure device brings the first and second end pieces of the locking elements closer together within the storage device, allowing them to interact with each other to exert the holding force. Upon transfer to the open position, the first and second locking elements are thus connected to each other at their first and second end pieces and held in this connected state. The connection of the end pieces then counteracts any movement of the first and second closure parts into their closed position, since a force must first be applied (manually) to release the connection between the locking elements at the first and second end pieces.

[0036] For example, at least first and second magnetic elements can be provided on the first and second end pieces. A first and a second magnetic element of the first and second end pieces can interact in a magnetically attractive manner in the open position of the first and second closure parts to secure the two end pieces to one another and thereby apply the holding force that counteracts the closure device from closing.

[0037] Alternatively or additionally, it can be provided in this context that the first and second closure parts each extend (in the closed position) along a transverse axis, and the first and second locking elements are provided to be brought into contact with one another at their end pieces by adjustment from the closed position to the open position, in order to cooperate and, in the open position, to apply a clamping force via the first and second locking elements to ends of the closure parts provided laterally along the transverse axis. If the end pieces are connected to one another in the open position, a clamping force is consequently maintained by the locking elements comprising the end pieces, which holds the first and second closure parts in the open position.A clamping force applied by the locking elements when the end pieces interact in the open position of the first and second closure parts thus acts – possibly via a lateral edge of the storage device – on the lateral outer ends of the two closure parts extending along a transverse axis. For example, the clamping force supports and maintains an outward curvature of the closure parts transverse to the transverse axis, which causes the two closure parts to release the opening in their open position.

[0038] In principle, a design variant can provide for several (at least two) hold-open mechanisms to be part of the closure device. This then also includes, for example, two pairs of locking elements being provided at ends of the closure parts spaced apart along a transverse axis.

[0039] The first closure part and / or the second closure part can extend along a transverse axis, in particular in a strip shape. The first closure part and / or the second closure part can thus, in particular, comprise a strip body extending longitudinally along the transverse axis.

[0040] In one embodiment, the first closure part and / or the second closure part are formed with at least two sections that are connected to one another via a weakened region. The at least two sections can then be displaced relative to one another via the weakened region. The at least two sections or segments are thus connected to one another via a weakened region in the material from which the respective closure part is made, for example in the manner of a film hinge, so that when the first and second closure parts are adjusted between their closed position and their open position, the at least two sections can be displaced relative to one another - about a hinge axis defined by the weakened region. For example, the weakened region is formed by a notch in the material of the respective closure part.

[0041] If first and / or second closure parts are provided, these can be separated from one another and separated in the transverse direction, so that a flexible region of a respective closing section on which the first or second closure parts are arranged can act as a film hinge.

[0042] Flexibility is thus deliberately introduced into a closure part during production via one or more weakened areas, without the closure part itself having to be made from a flexible or even elastic material (which is of course also possible in principle with the proposed solution). A respective closure part can thus consist of an inherently rigid material in which sections that can be displaced relative to one another are created by one or more weakened areas. This includes, in particular, the first closure part and / or second closure part comprising a plurality of weakened areas, i.e. more than 2, 3 or 4 weakened areas, such that the respective closure part forms a plurality of sections or segments that can be displaced relative to one another.

[0043] In a further embodiment, the first and second closure parts can each extend along a transverse axis, and the at least one hold-open mechanism comprises a flexible, in particular elastic, locking element for arrangement in a cavity accessible via the opening, wherein this flexible locking element is provided to apply a clamping force to ends of the closure parts provided laterally along the transverse axis in the open position. In this context, the flexible clamping element can engage opposite end sections of the first and second closure parts and / or can be pre-tensioned on a lateral edge of the storage device, so that the first and second closure parts can only be transferred from their open position into the closed position against the clamping force applied by the flexible locking element.In order to maintain the closed position of the first and second locking parts, at least the tension force with which the first and second locking parts strive to assume their open position must always be overcome.

[0044] For example, the flexible locking element is provided for placement in an intermediate wall within the cavity. In a storage device equipped with such a variant of a proposed locking device, it can thus be provided that at least two compartments are defined in the storage device via an intermediate wall within the cavity. The flexible locking element accommodated in this intermediate wall—typically in the region of an upper edge of the intermediate wall facing the opening—then applies the holding force to maintain the open position of the first and second closure parts.

[0045] In this context, it can also be provided that the flexible locking element is retensionable. The tensioning force exerted by the flexible locking element can thus be manually readjusted. For example, a flexible locking element designed as a tensioning cable can be tensioned more strongly by manually pulling on a section of the cable accessible within the cavity and locked in the respective more tightly tensioned position via a clamp, in particular similar to a cord clamp provided on a piece of clothing.

[0046] In a further alternative embodiment, a U-shaped tensioning element can be provided on the closure device for applying the holding force in the open position and thus maintaining the open position. Such a U-shaped tensioning element comprises a base and two legs connected to one another via the base, wherein the two legs are pretensioned towards one another and the tensioning element is provided to apply the holding force in the open position via the two legs pretensioned towards one another. The tensioning element can therefore be provided here to allow adjustment of the first and second closure parts from the open position to the closed position only against a pretensioning force applied by the two legs. Under the effect of the two legs, the first and second closure parts thus strive to assume and maintain their open position.In order to move the first and second closure parts into the closed position, the pretensioning force of the two legs must then be overcome manually. In one embodiment, the U-shaped tensioning element can be formed, for example, by a U-shaped spring element. The legs of this spring element, which are elastically pretensioned towards one another and connected to one another via the base, then apply the holding force in the open position. In another embodiment, the tensioning element is not formed by a separate component, but for example by a U-shaped cavity which is provided as part of the closure device in an edge of a storage device equipped with the closure device. The cavity is shaped in such a way that, under pressure applied by pumping up the cavity, the legs of the U-shape are pretensioned towards one another, thus being pressed towards one another (inwards).

[0047] A further embodiment provides for at least one spring band to apply the holding force, which is pretensioned against movement of the first and second closure parts from the open position to the closed position. Such a spring element can, for example, support a (corresponding) curvature of the flexible first or second closure part by means of a curvature transverse to a longitudinal direction of the spring band, with which the respective closure part is displaced into an open position if a sufficiently high closing force is not acting on the first and second closure parts to (still) hold them in their closed position. For example, the spring band can comprise a cambered steel band or be formed by a cambered steel band.

[0048] In a closure device configured with at least one spring band, the spring band can, for example, extend along the first or second closure part. Alternatively, the at least one spring band can be an integral part of the first or second closure part.

[0049] In a further alternative embodiment, the at least one spring band can extend between one end of the first closure part and an opposite end of the second closure part in the open position of the first and second closure parts. Thus, in the latter embodiment, the spring band pretensioned in the direction of the open position of the first and second closure parts tends to space the opposite ends of the first and second closure parts apart from one another and to keep them spaced apart. Transferring the first and second closure parts from their open position to their closed position can only occur against a restoring force exerted by the at least one spring band.Until their closed position is reached, in which the first and second locking parts are secured against resetting, the first and second locking parts would therefore always automatically assume their open position under the action of one or more spring bands.

[0050] In principle, the first and second closure parts can form a closure assembly in the closed position, which can be adjusted from a release position, in which the first and second closure parts can be removed from one another to release the opening, into a closed position, in which the closure assembly and at least a third closure part of the closure device interact in such a way that the closure assembly is held in the closed position. In the closed position, for example, first and second closure sections, on which the first and second closure parts are arranged, can thus be folded or rolled up, in particular by the first and second closure sections and thus any walls of a storage device comprising the closure sections being bent or folded at least once by 180°.Through the interaction of the locking assembly with the third locking part, the locking assembly is securely held in the locked position assumed in this way. This can provide additional security for the locking device's closed state, since the locking assembly must first be transferred from the locked position to the release position before the first and second locking parts can be moved from the closed position to the open position.

[0051] For example, the third closure part and the closure assembly can interact mechanically, e.g. positively, in particular via a hook-and-loop fastener and / or magnetically attractive, in order to hold the closure assembly in the closed position. A magnetic interaction here also includes, for example, an interaction of at least one magnetic element of the third closure part with at least one magnetic element of the first or second closure part, via which the first and second closure parts are held in the closed position. At least one magnetic element of the first or second closure part therefore has a dual function, on the one hand in interaction with a magnetic element of the respective other (second or first) closure part and in interaction with the third closure part.

[0052] The closure assembly can in principle be adjusted from the release position into the closed position by folding or rolling up the first and second closing sections at least once, for example about a pivot axis parallel to a first spatial direction. A securing force, e.g. a magnetic force, for holding the closure assembly in its closed position with respect to the third closure part then acts, for example, along a spatial axis that is parallel to a second spatial direction running perpendicular to the first spatial direction. As already mentioned above, the closure assembly with the first and second closure parts in the closed position can therefore be transferred from the release position into the closed position by pivoting the closure assembly about a pivot axis parallel to a first spatial direction (e.g. relative to a Cartesian coordinate system of the x-direction).For example, the closure assembly can be folded from the release position into the closed position. The closure assembly is thus folded around the pivot axis parallel to the first spatial direction, for example, by approximately 180°. A (resulting) magnetic force for holding the closure assembly in its closed position relative to the third closure part then acts along a spatial axis parallel to a second spatial direction (y) running perpendicular to the first spatial direction.

[0053] In principle, the third closure part can (also) be longitudinally extended along a transverse axis, in particular strip-shaped. In this case, for example, the third closure part is arranged in an offset section of a first wall of a storage device that is different from the first closure section. The third closure part can thus be arranged, for example, perpendicular to a transverse axis and spatially offset from the first closure section. In such a variant, for example, at least one strip-shaped third closure part extends parallel to a strip-shaped first closure part, but is arranged offset transversely to the first closure part.

[0054] In connection with a closure device that has a third closure part for securing the closure assembly in the closed position, it can be provided that the third closure part is designed for placement in a cavity accessible via the opening. If the closure assembly interacts magnetically with such an internal third closure part to secure the closed position, the corresponding magnetic elements are consequently provided in such a way that the magnetic interaction is also possible through the walls of a storage device having the closure device.

[0055] With a view to holding the first and second closure parts in their open position after transferring the closure assembly into the release position, an internal third closure part can have a dual function. For example, one embodiment variant can provide for the third closure part, which is intended for arrangement in the cavity and is thus internally located, to be formed by two locking elements of the hold-open mechanism. These two locking elements are displaceable relative to one another and overlap one another in an overlap region when the first and second closure parts are adjusted from the closed position to the open position. In the overlap region, sections of the two locking elements then interact with one another in a magnetically attractive manner and / or engage with one another in a form-fitting and / or force-fitting manner in order to apply the holding force.In order to move the first and second locking parts from the open position to the closed position, the connection between the first and second locking elements acting in the overlapping area must first be released again.

[0056] For the magnetic attraction in the overlapping area, for the first embodiment mentioned above, it is precisely those magnetic elements of the two locking elements of the third closure part that, when the closure device is closed and therefore when the closure assembly is in the closed position, hold the closure assembly in the closed position by interacting with magnetic elements of the first closure part.

[0057] In principle, the closure device can be provided for closing an opening through which a hollow body is accessible, and / or the closure device can be provided for arrangement on a storage device. A possible hollow body can, for example, be bordered by at least one flexible wall, in which case a closure section is provided on or formed on such a flexible wall.

[0058] In one embodiment, the first closure part and / or the second closure part and / or a third closure part are elastically designed or are flexible via one or more weakened regions with sections that can be displaced relative to one another. A closure part can then, for example, have increased rigidity compared to a wall of a hollow body on which the closure device is arranged, while still being flexible enough to be bent, in particular about a vertical direction perpendicular to a transverse axis.

[0059] The proposed solution includes, in particular, a storage device comprising a hollow body for receiving at least one object and / or a liquid, wherein the at least one object and / or the liquid can be introduced into the hollow body via an opening which can be closed by a variant of a proposed closure device.

[0060] In one embodiment, the first closure part is enclosed, for example, between an inner layer and an outer layer of a first wall, which defines a cavity in the hollow body to be closed by the closure device. Additionally or alternatively, the second closure part can be enclosed between an inner layer and an outer layer of a second wall of the hollow body. The respective closure part, which can be designed, for example, as a solid strip-shaped band, is thus located in a space between the inner layer and the outer layer and is thus enclosed between the inner and outer layers and thus covered inwards by the inner layer and outwards by the outer layer.

[0061] In one embodiment, the first closing section is formed by the inner layer of the first wall and the second closing section is formed by the inner layer of the second wall. The closing section of the respective wall is thus formed integrally on the inner layer of the respective wall. In the closed position, the closing sections lie flat against one another and, if necessary, create a sealing closure, so that the hollow body is (tightly) closed to the outside, in particular so fluid-tight that no moisture can penetrate into the interior of the hollow body. In the closed position, however, the opening can also be closed, in particular sealed, by the first and second closure parts lying directly against one another.Consequently, a closure part can in principle be arranged on the side of a wall with which the closure sections abut one another in the closed state, or on an outer, non-adjacent side of a wall in the closed state.

[0062] In one embodiment, the first wall and / or the second wall are flexible. In particular, both the first wall and the second wall can be flexible and pliable, so that the hollow body can be deformed in a flexible, easily moldable manner and can thus adapt its shape to accommodate an object. The hollow body is thus designed by the walls in the manner of a bag in that an object, in particular an electronic object such as a mobile phone or another everyday object, can be received and enclosed in a protective manner. Alternatively, the hollow body can be designed to hold a liquid and thus, for example, as part of a drinking bladder. In principle, first and second walls, to which the first and second closing sections of a proposed closure device are connected, can be part of a continuous wall element.The first and second walls can thus be formed in one piece. For example, the first and second walls, which are opposite one another in a cross-sectional view, can be formed by a single, one-piece wall element in the form of a blow-molded part.

[0063] The attached figures illustrate possible embodiments of the proposed solution

[0064] Here we show:

[0065] Figure 1 is a perspective view of a storage device with a variant of a proposed closure device in a closed position;

[0066] Figure 2 is a front view of the storage device of Figure 1;

[0067] Figure 2A is a sectional view along section line AA of Figure 2;

[0068] Figure 2B shows an enlarged section of the sectional view of the

[0069] Figure 2A;

[0070] Figure 3 is a side view of the storage device of Figures 1 and 2 with a detail on an enlarged scale;

[0071] Figures 4-6 in views corresponding to Figures 1 to 3, the

[0072] Storage device with the closure device in a release position in which first and second closure parts of the closure device are in a closed position;

[0073] Figures 7-9 in the same format as Figures 4 to 6, but each

[0074] Views rotated 180°, showing the storage device with the closure device in a locked open position, in which a hollow body of the storage device is accessible via an opening; Figures 10-18, in views corresponding to Figures 1 to 9, show the storage device with a further embodiment of a proposed closure device;

[0075] Figures 19-27 show, in views corresponding to Figures 1 to 9, the storage device with a further embodiment of a proposed locking device;

[0076] Figures 28-36 show, in views corresponding to Figures 1 to 9, the storage device with a further embodiment of a proposed locking device;

[0077] Figures 37-45 show, in views corresponding to Figures 1 to 9, the storage device with a further embodiment of a proposed locking device;

[0078] Figures 46-54, in views corresponding to Figures 1 to 9, show the storage device with a further embodiment of a proposed closure device, in which no actuating section for opening and closing the closure device is provided on the first and second closure parts of the closure device;

[0079] Figures 55-60 show, in views corresponding to Figures 46 to 51, a further development of the embodiment variant of Figures 46 to 54, in which the first and second closure parts are more segmented;

[0080] Figure 61 shows a perspective view of the storage device with the closure device according to Figures 46 to 54, illustrating a manual force application to locking elements of a hold-open mechanism for opening the closure device and thus for displacing the first and second closure parts from a closed position shown into an open position; Figure 62 shows a view corresponding to Figure 61, the storage device with the first and second closure parts in the open position;

[0081] Figure 63 shows a further development of the embodiment variant of Figures 19 to 27, showing the storage device in the open position in a view according to Figure 25;

[0082] Figures 64A-64B show a further embodiment of a storage device in the form of a bag or pocket, with a view of a front side (Figure 64A) and a back side provided with a strap (Figure 64B);

[0083] Figures 65A-65E show the storage device of Figures 64A and 64B in different phases during transfer of a closure assembly from a closed position to a release position and a subsequent adjustment of first and second closure parts to an open position;

[0084] Figures 66A-66C show the storage device of Figures 64A to 65E in different phases during closing of the closure device and transfer of the closure assembly into the closed position;

[0085] Figures 67A-67B show a further storage device with a locking device in a locking position (Figure 67A) and in a release position (Figure 67B);

[0086] Figure 67C shows the storage device of Figures 67A and 67B with first and second closure parts of the closure device in an open position and with a view into the interior of the storage device, in which an intermediate wall with a flexible, optionally elastic locking element is provided;

[0087] Figures 68A-68B are enlarged sections of Figure 67C with a view of a section of the flexible locking element, which is designed here as a tensioning cable and which can be tensioned more strongly by pulling from an opening in the intermediate wall;

[0088] Figures 69A-69C show the storage device of Figures 67A to 68B in different phases when closing the closure device and transferring it into the closed position;

[0089] Figures 70A-70B show a further embodiment of a storage device with a tensioning cable accommodated in an intermediate wall with alternative cable locking;

[0090] Figures 71 A-71 C show a further embodiment of a storage device with a closure device which is opened to different extents, ie with central regions of first and second closure parts of the closure device which are spaced apart from one another to different extents, wherein the respective open position assumed remains locked by a two-part third closure part in the interior of the storage device, the two sections of which are designed as locking elements and remain fixed to one another in overlapping regions;

[0091] Figures 72A-72B show a further embodiment of a storage device in which an open position of first and second closure parts is maintained by two locking elements brought into contact with one another in the open position inside the storage device, so that the assumption of a closed position by the first and second closure parts is only possible by separating the first and second locking elements from one another;

[0092] Figure 7 3A shows a further embodiment of a storage device in which an open position of first and second closure parts of a closure device of the storage device is achieved by a U-shaped spring element in which two opposing legs are prestressed towards each other, so that a transfer of the first and second closure parts from the open position shown in Figure 7 3A into a closed position is only possible by overcoming the prestressing force of the first and second legs;

[0093] Figure 73B shows the U-shaped spring element in an individual view in an unloaded state and (shown in dashed lines) in a loaded state inserted into the storage device;

[0094] Figures 74A, 74B show a further embodiment of a proposed storage device in which an elongated spring band is provided on each of the first and second closure parts, optionally as an integral component, which is pretensioned to an outward curvature and thus maintains the first and second closure parts in the open position, with illustration of the first and second closure parts in the open position (Figure 74A) and in the closed position (Figure 74B);

[0095] Figures 75A and 75B show a further embodiment of a storage device in which an open position is maintained using two spring bands, which in the present case are each arranged between two opposite ends of first and second closure parts on an opening edge of the storage device;

[0096] Figures 76A-76C show various views of a storage device designed as a backpack with a closure device provided thereon, the closure assembly of which is held in a closed position by a separate closure;

[0097] Figures 77A-77C show, in views corresponding to Figures 76A to 76C, the storage device with the closure assembly in the release position, but still with the first and second closure parts in the closed position;

[0098] Figure 78A shows, in a view corresponding to Figures 76A and 77A, the storage device with the first and second closure parts in an open position; Figure 78B shows the storage device of Figure 78A in plan view and thus with a view into the interior of the storage device through the opening on the top side of the storage device held open by the closure device.

[0099] 1 to 9 show views of a first embodiment of a storage device 1, which has a hollow body 10 bordered by walls 101, 102 and is designed to accommodate an object, in particular an electronic object such as a mobile phone or another everyday object, for example a wallet or a means of payment. For example, the storage device 1 can be a bag or a pouch. The storage device 1 can also be a liquid container, such as a drinking bladder. A liquid is then held in the hollow body 10 and can flow out via an outlet provided on the hollow body 10, e.g. into a drinking tube connected thereto.

[0100] The walls 101, 102 are connected to one another at parallel side edges that are spaced apart from one another along a transverse direction x and a transverse axis running parallel thereto, and at a lower edge along a vertical direction z, for example by welding, gluing, or folding over one of the said edges, and are to be closed in the region of an upper end by a closure device 2 such that an inner volume of the hollow body 10, or a cavity defined thereby, is sealed in a closed position of the storage device 1. In principle, each wall 101, 102 can be formed by two layers, of which an inner layer faces the inner volume of the hollow body 10 and an outer layer faces outwards.The walls 101, 102 are designed to be flexible, so that the hollow body 10 can be flexibly deformed, in particular in order to flexibly accommodate an object therein or to be able to expand when a liquid is absorbed in the hollow body 10.

[0101] The closure device 2 has three closure parts 31, 32, 33. Of these closure parts 31, 32, 33, a first closure part 31 is arranged on a closing section 101S of the first wall 101, while a second closure part 32 is arranged on a closing section 102S of the second wall 102, in such a way that the first and second closure parts 31, 32 extend along the vertical direction z at the same height on the respectively associated wall 101, 102. The closure parts 31, 32 interact with each other in a magnetically attractive manner, so that in the closed position of the closure device 2, the closing sections 101S, 102S, which are each formed by the inner layer of the associated wall 101S, 102S, lie flat against one another and thus form a sealing connection, forming a closure assembly 3.

[0102] A third closure part 33 is arranged on a front side 101 A of the wall 101 on a section of the first wall 101 offset from the closing section 101 S of the first wall 101 and, viewed along an extension path starting from the closing section 101 S in the cross section according to Fig. 6, is arranged transversely offset from the first closure part 31.

[0103] The closure parts 31, 32, 33 are each strip-shaped and extend along the transverse direction x and thus transversely to the vertical direction z.

[0104] The closure parts 31, 32, 33 are designed to interact in a magnetically attractive manner. In the illustrated embodiment, the closure parts 31, 32, 33 are each made of a plastic material or a silicone material in which a row of permanent magnets is embedded. In particular, discrete magnetic elements 31M, 32M, 33M (a closure-part-side magnet arrangement) can be accommodated in one or more of the strip-shaped closure parts 31, 32, 33. The discrete magnetic elements 31M, 32M, 33M are arranged one after the other along the transverse direction x and thus form a linear array of magnetic elements 31M, 32M or 33M. The closure parts 31, 32, 33 can have unlike poles, so that the closure parts 31, 32, 33 have a magnetically attractive effect on one another in pairs.In an alternative embodiment, poles of opposite polarity can also alternate in an array of magnetic elements 31M, 32M, or 33M of a closure part. Such an array is then intended to interact with a corresponding opposing array on another closure part 32, 33, 31. The discrete magnetic elements 31M, 32M, 33M of the magnetic arrangements can each be formed by discrete permanent magnets, for example, made of a neodymium material. However, it is also conceivable that only one or two of the magnetic arrangements have discrete permanent magnets, while the other magnetic arrangement(s) is / are formed by discrete ferromagnetic elements.

[0105] Alternatively, for example, only the first closure part 31 can be permanently magnetic, while the other closure parts 32, 33 are ferromagnetic, in particular designed as ferromagnetic armatures, so that the associated closure parts 32, 33 act as a magnetic armature. It is also conceivable, for example, that the first and second closure parts 31, 32 are permanently magnetic, while the third closure part 33 is ferromagnetic.

[0106] The first closure part 31 and the second closure part 32 press the closure sections 101S, 102S into contact with one another over their surface, in this case such that the closure sections 101S, 102S formed by inner layers of the walls 101, 102 abut one another like membranes and seal the hollow body 10. The third closure part 33 holds the closure assembly 3 formed by the closure parts 31, 32 in a defined closed position, folding the walls 101, 102 by 180° in a region between the closure sections 101S, 102S and sections offset transversely to the closure sections 101S, 102S, as can be seen from Fig. 1. This further improves the tightness of the closure device 2 in the closed position.

[0107] The first closure part 31 and the second closure part 32 each have an actuating section in the form of a tab-shaped grip element 310, 320, which a user can grasp. By applying a force to the closure parts 31, 32, in particular to the grip elements 310, 320, the closure parts 31, 32 can be released from the further, third closure part 33 and moved into a release position. In this release position, the closure parts 31, 32 can be moved away from one another along an opening direction y (and thus at least in sections along a closing axis S parallel thereto, which is directed perpendicular to the transverse direction x and the vertical direction z), and thus the closing sections 101S, 102S can be separated from one another, so that the interior of the hollow body 10 is accessible through the opening O thus released (see, for example, Figures 7 and 8A).

[0108] Figures 1 to 3 show various views of the storage device 1 with the closure device 2 in the closed position, in which the closure assembly formed with the first and second closure parts 31 and 32 is held in the closed position by means of the third closure part 33 on the front side 101A of the (first) wall 101. Figures 4 to 6, in views corresponding to Figures 1 to 3, show the storage device 1 with the closure device 2 in a folded-out release position. In this release position, the closure assembly 3 is folded away from the third closure part 33, so that the first and second closure parts 31 and 32 can be moved away from one another in order to release the opening O to the hollow body 10. Figures 7 to 9 show the storage device 1 with the closure device 2 and its first and second closure parts 31 and 32 in the open position.The views of Figures 7 to 9 are each rotated by 180° relative to the views of Figures 4 to 6, so that, for example, Figures 7 and 8 each show a rear side 102B of the storage device 1 formed by the other, second wall 102.

[0109] In the open position, the two closure parts 31 and 32 are locked by two hold-open mechanisms 4A and 4B, so that the closure device 2 remains open and thus the opening O remains accessible without a user having to continuously apply manual force to the closure parts 31 and 32. A hold-open mechanism 4A or 4B therefore applies an opening force that at least assists the first and second closure parts 31, 32 in assuming the open position and / or locking the first and second closure parts 31, 32 in the open position. In the present case, a hold-open mechanism 4A or 4B is each formed with two pairs of locking elements 41.1, 42.1 or 41.2, 42.2. The locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism are each spaced apart from one another in a rest position in the closed position of the first and second closure parts 31 and 32 according to Figures 4 to 6.When the closure parts 31 and 32 are moved into the open position shown in Figures 7 to 9, the locking elements 41.1, 42.1 or 41.2, 42.2 are moved from the rest position into a locking position, in which the open position of the closure parts 31 and 32 is locked in pairs via the locking elements 41.1 to 42.2. Two locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A, 4B of the closure device 2 thus interact magnetically to lock the closure parts 31 and 32 in the assumed open position and to apply a holding force which must first be overcome by a user in order to move the closure parts 31 and 32 back towards each other along the closing axis S and thus close the closure device 2.

[0110] First locking elements 41.1 and 41.2 of the two opening mechanisms 4A and 4B are each assigned to the first closure part 31 and are fixed or formed thereon. The first locking elements 41.1 and 41.2 each protrude beyond ends of the respective strip-shaped closure part 31 along the X-axis, referred to as the transverse axis, along which the first closure part 31 extends. Thus, each first locking element 41.1, 41.2 protrudes beyond a respective lateral edge 101R of the associated closing section 101S and thus of the associated wall 101. Analogously, second locking elements 42.1, 42.2 of the hold-open mechanisms 4A, 4B, which are provided on the second closure part 32, also project laterally beyond ends of the second closure part 32 and lateral edges 102R of the other closing section 102S and thus the other wall 102 of the storage device 1.

[0111] In a closed position of the first and second closure parts 31 and 32 according to Figures 4 to 6, the laterally projecting locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A or 4B are angled with a projecting section with respect to the transverse axis or the x-direction, respectively, and spaced apart from one another. When the first and second closure parts 31, 32 are transferred into their open position shown in Figures 7 to 9, the locking elements 41.1, 42.1 and 41.2, 42.2 are pivoted toward one another in pairs, specifically about a pivot or hinge axis parallel to the vertical direction z on the respective closure section 101S or 102S. With the pivoting movements accompanying the opening of the locking device 2, the locking elements 41.1, 42.1 or 41.2, 42.2 of a respective hold-open mechanism 4A or 4B each bridge an adjustment path s until the respective locking elements 41.1, 42.1 or 41.2, 42.2 are brought into contact with each other and have thus assumed a locking position.

[0112] This locking position is assisted by magnetic force. For this purpose, each locking element 41.1 to 42.2 has a magnetic element 41M or 42M in the laterally projecting section. The magnetic elements 41M, 42M of a pair of locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A or 4B interact with each other in a magnetically attractive manner. Consequently, if the respective locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A or 4B are brought closer to one another by opening the closure device 2 by a defined amount, the magnetic force applied by the magnetic elements 41M, 42M is sufficiently large to automatically move the locking elements 41.1, 42.1 or 41.2, 42.2 towards one another into the locking position shown in Figures 7 to 9.

[0113] The applied magnetic attraction force in the locking position then also defines the holding force applied by the hold-open mechanisms 4A, 4B, which must be overcome by the user in order to adjust the first and second closure parts 31 and 32 back towards the closed position and thus close the opening O again. The holding force magnetically applied by the magnets 41M, 42M of a hold-open mechanism 4A or 4B acts essentially parallel to the closing axis S and thus along the Y-axis or parallel to the y-direction. In the storage device shown in Figures 1 to 9, an elongated locking element 41.1 - 42.2 is provided on a respectively associated first or second closure part 31 or 32, without extending over the entire length of the respective closure part 31 or 32 and thus the respective closure part

[0114] 31 or 32 away from a respective lateral end of the respective closure part 31 or

[0115] 32 to be additionally stiffened. Furthermore, in the present case, the closure parts 31 and 32 are each formed from a material that is not flexible per se or at least only partially flexible, in particular to support a flat contact of the closure sections 101S, 102S in the closed position of the first and second closure parts 31 and 32, in particular to support a sealing contact of the closure sections 101S and 102S. In order to ensure a curvature of the closure parts 31 and 32 as well as of the third closure part 33 when the storage device 1 is opened, targeted weakened areas in the form of notches K are provided on the closure parts 31, 32, 33.In the area of ​​the respective notches K, the material from which the respective closure part 31, 32 or 33 is formed is deliberately reduced, so that sections of the respective closure part 31, 32 or 33 are connected in an articulated manner via a notch K in the manner of a film hinge and are thus displaceable relative to one another.

[0116] In one embodiment, several separate (smaller or shorter) closure parts can also be provided, separated from each other in the transverse direction. These closure parts would then be completely separated from each other in the region of a notch K. However, a flexible area of ​​a respective closure section 101S or 102S, or of the wall 101 or 102 forming the respective closure section, could then act as a film hinge.

[0117] In a further embodiment of Figures 10 to 18, alternatively designed hold-open mechanisms 4A and 4B are provided. Where identical reference numerals are used here or in the figures explained in more detail below, they also refer to identical components and functional elements.

[0118] Thus, the embodiment of Figures 10 to 18 provides for each hold-open mechanism 4A and 4B a pair of locking elements 41.1, 42.1 or 41.2, 42.2, via which the closure parts 31 and 32 are locked in their open position. Here, too, the locking elements 41.1, 42.1 or 41.2, 42.2 interact in pairs with magnetic attraction to lock the open position of the closure parts 31 and 32. In contrast to the embodiment of Figures 1 to 9, in a locking position, magnetic forces of locking-element-side magnetic elements 411M, 422M; 412M, 421M act along an effective axis running perpendicular to the closing axis S and thus parallel to the vertical direction z.The corresponding magnetic elements 411M, 422M and 412M, 421M are thus also displaced at least partially over one another when the first and second closure parts 31, 32 are displaced from their closed position into the open position until the respective locking position is assumed. Thus, a first magnetic element 412M or 422M of a locking element is then arranged at one end of the respective closure part 31 or 32 on a section of the respective locking element that at least partially encompasses the respective lateral edges 101R, 102R. A second magnetic element 411M or 421M, with which the first magnetic element 422M or 412M interacts in a magnetically attractive manner in the locking position to lock the open position, is provided at a distance from the other locking element. In this way, the first and second magnetic elements 412M, 421M and 422M, 411M only act upon a displacement of the locking elements 41.1, 41.2 or 41.2, 42.2 in the direction of the locking position a sufficiently high magnetic attraction force to automatically move the locking elements 41 .1, 41 .2 or 41 .2, 42.2 further into the locking position and to hold them in the locking position.

[0119] The first magnetic elements 412M, 422M of the locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A, 4B, which are arranged on the partially encompassing and thus projecting sections, can also be polarized opposite to one another, so that the first magnetic elements 412M, 422M support the holding of the locking elements in the rest position in the closed position of the closure parts 31 and 32.

[0120] The first or second locking elements 41.1, 41.2 (for the first locking part 31) or 42.1, 42.2 (for the second locking part 32) assigned to a closure part 31 or 32 are offset from one another in this case. This means that a first locking element 42.1 on the first hold-open mechanism 4A is positioned and pivotable below the second locking element 42.1—relative to the vertical direction z—while the first locking element 41.2 on the other hold-open mechanism 4B is arranged and pivotable above the second locking element 42.2 there.

[0121] Particularly in a further development of the embodiment variant of Figures 10 to 18, a hold-open mechanism 4A and / or a hold-open mechanism 4B can additionally integrate a locking device with which the locking position assumed by a respective pair of locking elements 41.1, 42.1 or 41.2, 42.2 is additionally secured. For this purpose, for example, a displaceably mounted locking pin (or another form-fitting element) is provided on one of the locking elements, which can at least partially engage a locking opening or locking hole in the other locking element when the locking position is reached. If the locking elements are to be adjustable relative to one another again and thus the closure parts 31, 32 are to be adjustable from the open position, the locking pin must first be pushed or pulled out of the locking opening or the locking hole.Instead of a ratchet pin in combination with a locking opening or a locking hole, other locking components can of course also be provided (at least one of which is adjustably mounted), with which in particular a positive and / or non-positive locking of two locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A, 4B can be achieved.

[0122] The embodiment variant of Figures 19 to 27 provides hold-open mechanisms 4A, 4B of the closure device 2, in which the locking of the closure parts 31 and 32 in their open position is not magnetic, but purely mechanical. For this purpose, a first locking element 41.1 or 41.2 engages with a laterally projecting guide web 413 in a curved guide channel 423 of a second locking element 42.1 or 42.2 of the respective hold-open mechanism 4A or 4B. The guide web 413 is guided in the respective guide channel 423 when the locking elements 41.1, 42.1 or 41.2, 42.2 are moved from their rest position into the locked position.Thus, upon assuming the locking position, a locking element in the form of a locking lug 424 on a guide channel wall of the respective guide channel 423 can positively engage in a locking opening in the associated guide web 413, formed as a locking groove 414, as soon as the locking position is assumed. The open position of the first and second closure parts 31 and 32 is thus locked in the embodiment variant of Figures 19 to 27 by mechanically locking the two locking elements 41.1, 42.1 or 41.2, 42.2 of a respective hold-open mechanism 4A and 4B.

[0123] If a sufficiently large actuating force is applied to move the locking lugs 424 out of their respective locking grooves 414, the locking is released and the locking parts 31 and 32 can be brought back into their closed position along the closing axis S.

[0124] In the embodiment of Figures 28 to 36, each locking element 41.1 to 42.2 is equipped with two magnets 41.1M, 412M or 421M, 422M in order to lock the open position of the closure parts 31 and 32 using magnetic force. Each locking element 41.1 to 42.2 has a support arm 425 which partially engages around the lateral edges 101R, 102R on a long side of the storage device 1. A first magnetic element 412M or 421M is provided on each of these support arms 425. When the first and second closure parts 31, 32 are moved into the open position and the closure device 2 is thus opened, the respective support arm 425 is brought into contact with a base 426 of the respective other locking element by performing a pivoting movement.A magnetic force applied by a respective pair of magnets 412M, 422M or 411M, 421M of a hold-open mechanism 4A or 4B then acts in the assumed locking position at an angle to the closing axis S and thus at an angle to the y-direction, in this case, for example, at an angle of approximately 45°. However, in this exemplary embodiment, the magnetic force then acts again (as, for example, in the exemplary embodiment of Figures 1-9) in a normal plane with respect to a hinge axis, about which the respective locking element 41.1 to 42.2 can be pivoted from the rest position into the locking position.

[0125] In the embodiment variant of Figures 28 to 36, the locking elements 41.1, 42.1; 42.1, 42.2 on the hold-open mechanisms 4A and 4B of a closure part 31 or 32 are also designed to be rotated relative to one another, so that, for example, a first locking element 41.1 of the first closure part 31 on one hold-open mechanism 4A lies with its support arm 425 below the support arm 425 of the second locking element 42.1 of this hold-open mechanism 4A with respect to the vertical direction z, while the first locking element 41.2 of the first closure part 31 on the other hold-open mechanism 4B lies with its support arm 425 above the support arm 425 of the second locking element 42.2 of the other hold-open mechanism 4B. A respective base-side magnetic element 411M or 421M is thus also positioned offset relative to a support-arm-side magnetic element 412M or 421M of the same locking element 41.1 - 42.2 with respect to the vertical direction z.

[0126] In deviation from the embodiment variant shown in Figures 28 to 36, it is of course also possible for an opening mechanism 4A or 4B to be provided with a locking element 41.1 - 42.2 - in this case L-shaped in cross-section - only on one of the first or second closure parts 31, 32, which can be pivoted about a hinge axis parallel to the spatial direction z when the closure parts 31, 32 are displaced into their open position. A locking element cooperating with the pivotable locking element, with which the open position is then locked, can then, for example, be formed merely by an end section of a closure part 32, 31, which is connected to the closure part having the pivotable locking element

[0127] 31 or 32. The respective closure part 32 or 31 consequently has an integrated locking element with the magnetic element 411 M, with which a magnetic element 421 M (arranged in the support arm 425) of the pivotable locking element cooperates in the locking position.

[0128] Figures 37 to 45 show a further embodiment of a closure device 2, in which magnetic elements 41M, 42M of a hold-open mechanism 4A or 4B on the locking element side are each displaced at least partially one above the other when the first and second closure parts 31 and 32 are adjusted from the closed position into the open position. Interacting magnetic elements 41M and 42M of a hold-open mechanism 4A or 4B are arranged in a laterally projecting and, in this case, disc-shaped head section of the respective locking element 41.1 - 42.2. In the locking position, a magnetic force applied by a pair of magnetic elements 41M, 42M then acts to lock the closure parts 31 and 32 in their open position again perpendicular to the closing axis S and thus parallel to the vertical direction z.

[0129] The embodiment of Figures 46 to 54 represents a further development of the embodiment of Figures 1 to 9. Here, the hold-open mechanisms 4A and 4B are identical. However, in deviation from the embodiment of Figures 1 to 9, no gripping elements 310, 320 are provided on the first and second closure parts 31 and 32, by means of which a user can grip the first and second closure parts 31,

[0130] 32 can engage in order to adjust the closure parts 31 and 32 between the closed position and the open position. Rather, the embodiment variant of Figures 46 to 54 provides that the locking elements 41.1 - 42.2, which may each be formed integrally with an associated closure part 31 and 32, are also provided for manually applying an operating force thereto in order to adjust the closure parts 31 and 32 from the closed position illustrated in Figures 49 to 51 into the open position. Thus, an approach and a concomitant pivoting of the locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A or 4B in the direction of their locking position automatically leads to the first and second closure parts 31 and 32 being pushed away from each other in their central region. The locking elements 41.1, 42.1 or 41.2, 42.2 of a hold-open mechanism 4A or 4B thus each form operating sections for a manual force application, so that by displacing the respective first and second locking elements 41.1, 42.1 or 41.2, 42.2 from their rest position in the direction of the locking position, the first and second closure parts 31 and 32 - with the closure assembly 3 in the release position - are adjusted from their closed position into the open position.

[0131] In order to support such operation of the closure device 2, the strip-shaped closure parts 31, 32 (as well as the third strip-shaped closure part 33) can be made, for example, of an elastic material with discrete magnetic elements 31, 32 or 33 embedded therein or of an elastic, magnetic material.

[0132] In a further development according to Figures 55 to 60, in contrast to the embodiment variant of Figures 46 to 45, it is merely provided that the flexibility or elasticity required for the bulging of the first and second closure parts 31 and 32 when adjusted into the open position is not (solely) provided by the material used for the first and second closure parts 31 or 32. Rather, a plurality of notches K running parallel to the vertical direction z are provided on each first and second closure part 31, 32. The first and second closure parts 31 and 32 are consequently segmented here via the notches K. The individual magnetic elements 31 or 32 of the closure parts 31, 32 are then each arranged in one of the segments.

[0133] The elongated locking elements 41.1-42.2 are provided at the ends of the respective first and second closure parts 31, 32. Analogous to the previously explained embodiment of Figures 1 to 9, for example, a respective locking-element-side magnetic element 41M or 42M is arranged on a section of the respective locking element 41.1-42.2 that—in the closed position—is angled away from the respective closure part 31 or 32 and thus with respect to the transverse axis or the x-direction.

[0134] Figures 61 and 62 illustrate, based on perspective views of a storage device 1 according to Figures 46 to 54, the use of the locking elements 41.1-42.2 of the hold-open mechanisms 4A, 4B to open the closure device 2. Figure 61 shows the storage device 1 with the closure device 2 in the release position and the first and second closure parts 31 and 32 in the closed position. A user's hand H grasps the locking elements 41.2 and 42.2 of the hold-open mechanism 4B with two fingers F1 and F2—here, thumb and index finger. By pressing together, the locking elements 41.2, 42.2 are brought closer together as shown in Figure 62, bridging the adjustment path s and thus the distance between the two protruding sections of the locking elements 41.2 and 42.2, so that they come into contact with each other. The pivoting movement of the locking elements 41.2, 42.2 is accompanied by a pushing apart of the first and second closure parts 31 and 32 at the edge of the opening O, so that the first and second closure parts 31 and 32 are transferred into the open position and the cavity 10 becomes accessible via the opening O. Due to the magnetic forces applied by the magnetic elements 41M and 42M of the hold-open mechanisms 4A and 4B, the first and second closure parts 31 and 32 remain in the open position, even if the user removes the hand H from the closure device 2.

[0135] Figure 63 shows a possible further development of the embodiment of Figures 19 to 27, in which an additional release element in the form of an actuating loop 51, 52 is provided on each of the hold-open mechanisms 4A, 4B. Thus, a latching connection with the latching nose 424 and the latching groove 414 in an embodiment of Figures 19 to 27 can basically be designed such that when force is manually applied to the closure parts 31 and 32 in the open position, the latching is released non-destructively and thus the locking is also released. In a possible further development, however, it can also be provided, as shown in Figure 63, that the corresponding positive latching must first be released separately by a prior, additional force application to the respective hold-open mechanism 4A, 4B. In the present case, for example, the actuating loop 51 or 52 may have to be pulled.This actuating loop 51, 52 is connected to the section of a locking element 41.1 or 42.2 forming the locking lug 424, so that the locking lug 424 can be disengaged from the respective locking groove by the application of force.

[0136] Instead of the illustrated actuating loop 51 or 52, an alternatively designed release element can of course also be provided, for example a rigid ring.

[0137] Alternatively or in addition to the embodiments explained above, it can also be provided that the first and second closure parts 31 and 32 are held in the open position by an additional element, for example by a rod attached to the inside of the closure parts 31, 32. Alternatively or in addition, the closure device 2 can also be designed with a delay device. Such a delay device is then designed to temporarily limit the locking in the open position after the closure parts 31 and 32 have been transferred into the open position, before the closure parts 31 and 32 are automatically moved back into the closed position - for example under the effect of a corresponding preload, e.g. a spring-elastic preload, in the direction of the closed position. For example, a corresponding delay device can comprise one or more delay elements, e.g.in the form of suction cups and / or adhesion elements. Corresponding delay elements of the delay device can thus apply a holding force that decreases over time. Corresponding delay elements can, for example, be provided on laterally projecting sections of the locking elements 41.1, 42.1 or 41.2, 42.2, which are brought into locking contact with one another when the locking elements 41.1, 42.1 or 41.2, 42.2 are moved into the locking position or the closure parts 31 and 32 are moved into the open position. The holding force applied via this contact then decreases continuously or abruptly after a predefined period of time has elapsed if the user no longer applies any further force to the respective hold-open mechanism 4A or 4B.The first and second locking parts 31 and 32 are thus automatically returned to the closed position as soon as a corresponding restoring force is greater than the decreasing holding force.

[0138] Figures 64A-64B, 65A-65D, and 66A-66C show a further variant of a bag-shaped storage device 1 with a variant of a proposed closure device 2. The storage device 1 of Figures 64A to 66C is designed here as a bag or pocket that can be worn by a person on the back 102B via a hip belt 7. An actuating tab 6 is provided on the closure device 2 on the front 101A. By pulling on the actuating tab 6, the closure assembly 3 of the closure device 2 can be pulled from the closed position—against the magnetic force applied by the third closure part 33—into the release position (see Figures 65A to 65C), and in the then assumed release position, the first and second strip-shaped closure parts 31 and 32 can be transferred into their open position (see Figures 65D to 65E).

[0139] The ends of the actuating tab 6 are fixed in the area of ​​the third closure part 33 on the front side 101 A in order to overcome the respective magnetic forces by manually pulling on the actuating tab 6 while applying comparatively little manual force and thus to be able to easily open the storage device 1 at the closure device 2.

[0140] As illustrated in Figures 66A to 66C, the closure device 2 held open by a proposed hold-open mechanism can also be easily closed again by bringing the first and second closure parts 31 and 32 sufficiently close to each other in their central region so that they assume their closed position. Subsequently, the closure assembly 3 is folded into the closed position toward the third closure part 33.

[0141] The possibility of easy one-handed opening of the storage device 1, illustrated by the actuating tab 6 (or another handle- or tab-shaped actuating element) in the embodiment of Figures 64A to 65E, is also fundamentally advantageous without the first and second closure parts 31 and 32 being held in an open position by a hold-open mechanism. Thus, the storage device 1 can be opened by a user via the actuating tab 6 with a fluid movement—spanning different movement phases. By pulling on the confirmation tab 6, the closure assembly 3 can first be folded from the magnetically held closed position into the release position.Subsequently, in the release position, the first and second closure parts 31 and 32, which are magnetically held together, can be separated from each other via the actuating tab 6 and moved from the closed position to the open position. Maintaining the open position via a hold-open mechanism can be additionally advantageous in this context, but is only optional.

[0142] In contrast to the illustrated storage device 1 in Figures 64A to 65E, it is not mandatory for a user to grasp the rear side 102B if the storage device 1 is secured via the hip belt 7. Instead of a hip belt 7, another type of fastening may also be provided.

[0143] Figures 67A to 69C show, in various views, a further embodiment of a bag-shaped storage device 1 with a variant of a proposed closure device 2, which, when the closure device 2 is open, holds the closure device 2 in an open state via a hold-open mechanism. In the storage device 1 of Figures 67A to 69C, an actuating tab 6 is again provided on the front side 101A of the storage device 1. Ends of the actuating tab 6 are each fastened to an intermediate space between a centrally arranged third closure part 3 and a further third closure part 331 or 332 located adjacent thereto. The three third closure parts 331, 332 and 332 are each strip-shaped and are provided successively along the transverse axis.

[0144] As illustrated in particular by the partial perspective top view of Figure 67C and the enlarged views of Figures 68A and 68B, the storage device 1 of Figures 67A to 69C has a hold-open mechanism 4 with an internal, flexible locking element in the form of an (elastic) tensioning cable 40. An intermediate wall 40A is provided inside the storage device 1, by means of which the inner cavity of the storage device 2 is divided into two compartments 11 and 12—in this case of approximately equal size. The tensioning cable 4 is guided within the intermediate wall 40A at an upper edge facing the opening O closable by the closure device 2, and thus in the region of an upper edge of the intermediate wall 40A. Two opposite (longitudinal) edges of the storage device 1 are connected to one another inside the storage device 1 via the tensioning cable 40 and pretensioned toward one another.A corresponding tensioning force applied by the tensioning cable 40 then also acts on the first and second closure parts 31, 32, which are connected to one another at the ends along these lateral longitudinal edges, so that the first and second closure parts 31, 32 are pretensioned into their open position by the tensioned tensioning cable 40. Under the action of the tensioned tensioning cable 40, the central regions of the first and second strip-shaped closure parts 31 and 32 are thus pushed outward when the magnetic forces with which the first and second closure parts 31, 32 are held together in the closed position are manually overcome.

[0145] In order to be able to re-tension the tensioning cable 40 if necessary and thus readjust the tensioning force applied thereto, a cable section, here in the form of a cable loop, is led out of the intermediate wall 40A. When the storage device 1 is open, this cable section is manually accessible to a user as shown in Figure 68B. A user can then pull on the cable section with one hand to tighten the tensioning cable 40 more. The cable section pulled further out of the intermediate wall 40A by the pulling can be locked via a cable lock 400, for example in the manner of a cord clamp, in order to maintain the readjusted cable tension. The storage device 1 is closed as shown in Figures 69A to 69C with the first and second closure parts 31 and 32 approaching one another against the tensioning force applied by the tensioning cable 40.

[0146] In the embodiment of a storage device 1 according to Figures 70A and 70B, the volume of the storage device 1 is designed differently. It can therefore be, for example, a smaller bag or a smaller pocket. As part of a hold-open mechanism 4, an internal tensioning cable 40 is also provided here, which runs in an intermediate wall 40A and can be retensioned via a cable lock 400.

[0147] In one embodiment of a storage device 1 shown in Figures 71A to 71C, the third closure part 33, by means of which the closure assembly 3 can be magnetically held in the closed position, is not provided on the front side 101A, but is arranged within the storage device 1. Furthermore, the third closure part 33 is divided here, so that it is formed by two elongated sections, which in the present case can act as locking elements 330 and 331 of a hold-open mechanism 4 for the open position.

[0148] The two elongated locking elements 330 and 331 of the third closure part 33 directly adjoin one another in the closed position of the first and second closure parts 31, 32 (both in the closed position and in the released position). The closure assembly 3 can thus be held in the closed position via magnetic elements arranged in the locking elements 330, 331 of the third closure part 33 and their magnetic interaction with the magnetic elements of the first closure part 31, as already explained above.

[0149] When opening the closure device 2 of a storage device 1 of Figures 71 A to 71 C, the two strip-shaped locking elements 330 and 331, each of which is connected to a left-hand edge of the storage device, are now displaced relative to one another so that they overlap one another as shown in Figure 71 B. In a resulting overlap region LIB, in which sections of the locking elements 330 and 331 lie opposite one another in an overlapping manner, the magnetic elements of the first and second locking elements 330 and 332 attract one another so that an overlapping position of the locking elements 330 and 331 is maintained.The locking elements 330 and 331 of the third closure part 33, which are magnetically attracted to one another in the overlapping position, thus hold the longitudinal edges of the storage device 1 in a position approaching one another and thus the first and second closure parts 31, 32 in the currently assumed open position.

[0150] If the closure device 2 is opened further by curving the first and second closure parts 31 and 32 further outward, the two locking elements 330 and 331 of the first closure part 33 are displaced relative to one another. The overlap area LIB increases. Due to the mutually attracting magnetic elements in the overlapping sections of the locking elements 330, 331, this position is then maintained even in a wider open position. Closing is only possible by overcoming the magnetic forces to separate the locking elements 330, 331 from one another.

[0151] A hold-open mechanism 4 shown in Figures 72A and 72B is based on a comparable principle. Here, a hold-open mechanism 4 is provided inside a structure-preserving device 1, which has two locking elements 41.1 and 42.1 that are spaced apart from one another in the closed position of the first and second closure parts 31 and 32. A magnetic element 411 M or 421 M is provided on each of the mutually facing end pieces of the two inner locking elements 41.1 and 42.1. If the two end pieces of the two locking elements 41.1 and 42.1, which carry the respective magnetic elements 411 M and 421 M, are brought closer together when the closure device 2 is opened, a connection is established between the two locking elements 41.1 and 42.1 by the magnetic attraction of the two magnetic elements 411 M and 421 M. The interconnected locking elements 41.1 and 42.1 then exert a holding force on the longitudinal edges of the storage device 1 and thus on the first and second closure parts 31, 32 in their open position. Transferring the first and second closure parts 31, 32 into their closed position is only possible by overcoming the holding force, so that the two magnetically secured locking elements 41.1 and 42.1 are separated from each other again.

[0152] In the embodiment of a storage device shown in Figures 73A and 73B, a hold-open mechanism 4 is provided with a U-shaped tensioning element, here in the form of a spring element 8. This U-shaped spring element 8 extends with a base 8.3 along a lower edge of the storage device 1. Two opposing legs 8.1 and 8.2 are connected to each other via the base 8.3 and run along the longitudinal edges of the storage device 1, here within a circumferential edge section R of the storage device 1. The two legs 8.1 and 8.2 are pretensioned towards each other (see also Figure 73B). The legs 8.1, 8.2 end in the area of ​​the upper edge of the storage device 1 bordering the opening O, so that the pre-tensioning force of the two legs 8.1, 8.2 is also transferred to the two closure parts 31 and 32, which are each again strip-shaped here.Under the prestressing action of the legs 8.1 and 8.2, the first and second closure parts 31 and 32 thus tend to bulge outward in their open position. Therefore, the first and second closure parts 31 and 32 can only approach each other to assume their closed position against the forces exerted by the legs 8.1, 8.2.

[0153] 8.2, and thus a corresponding holding force is possible. After opening the locking device 2, the open position is maintained under the action of the two legs 8.1 and 8.2.

[0154] The same applies to a variant embodiment according to Figures 74A and 74B. Here, a hold-open mechanism 4 with two spring (steel) bands 43.1 and 43.2 is provided. In this case, the spring bands 43.1 and 43.2 extend along a respective associated closure part 31 or 32 or are an integral part of the respective closure part 31 or 32. A first spring band 43.1 is associated with the first closure part 31, while a second spring band 43.2 is associated with the second closure part 32. Each spring band 43.1 or 43.2 is prestressed in a curvature direction, in this case such that, under the action of the spring bands 43.1 and 43.2, the strip-shaped closure parts 31 and 32 are prestressed in their central region to an outward curvature.In order to close the closure device 2 so that the first and second closure parts 31 and 32 assume their closed position, a user must therefore press the middle areas of the first and second closure parts 31 and 32 against the spring forces of the two spring bands 43.1 and.

[0155] 43.2 to press against each other.

[0156] A similar principle is provided in the storage device figures of Figures 75A to 75B. Here, two spring bands 43.1 and 43.2 are provided as part of two hold-open mechanisms 4A, 4B. A first spring band 43.1 extends between two, in Figure 75A, left-hand longitudinal ends of the first and second closure parts 31 and 32. The other spring band 43.2, in turn, extends between the two other, right-hand longitudinal ends of the first and second closure parts 31 and 32.

[0157] The first and second spring bands 43.1 and 43.2 each strive to align straight and are therefore pretensioned into a state in which a respective spring band 43.1 or 43.2 runs in a straight line. In the closed position of the first and second closure parts 31, 32, the two spring bands 43.1 and 43.2 are each bent once (in the middle) and held in this once-bent state by the magnetic forces of the mutually magnetically attractive first and second closure parts 31 and 32. If this magnetic force is manually overcome, the spring bands 43.1 and 43.2 automatically fold out due to their respective pretension, thereby displacing the first and second closure parts 31, 32 into their open position and holding the first and second closure parts 31, 32 spaced apart from one another in the open position (see Figure 75B).

[0158] Hold-open mechanisms 4A, 4B corresponding to Figures 75A and 75B can be used, for example, in a storage device according to Figures 76A and 78B. This storage device 1 is designed as a backpack that can be worn on a back via two carrying straps T1 and T2.

[0159] In a closed state, two opposing walls of the backpack 1 of Figures 76A to 78B are folded over or rolled up. This rolled-up closure position is secured by a closure 9 according to Figures 76A to 76C. For this purpose, a securing component 90 interacts with a counterpart 91 of the closure 9 on the front side 101A of the backpack 1. If a possibly magnetically assisted locking mechanism between the securing part 90 and the counterpart 91 is released, the backpack 1 can be rolled up on its upper side according to Figures 77A to 77C, thereby moving the closure device 2 with the closure assembly 3 into the release position. In the release position, the two first and second closure parts 31 and 32, which are held magnetically in the closed position, can be manually moved into the open position.

[0160] In the open position, the closure parts 31 and 32 are held open by spring bands 43.1 and 43.2. Only after overcoming the holding force exerted by the spring bands 43.1 and 43.2 can the two first and second closure parts 31 and 32 be brought closer together again and thus moved into their closed position.

[0161] The idea underlying the proposed solution is not limited to the previously described embodiments, but can also be implemented in a completely different way.

[0162] 1 storage facility

[0163] 10 hollow bodies

[0164] 101 , 102 wall

[0165] 101A front

[0166] 102B back

[0167] 101 R, 102R Side edge

[0168] 101 S, 102S locking section

[0169] 2 locking device

[0170] 3 Closure system

[0171] 31 , 32, 33 First / Second locking part

[0172] 33, 33.1 , 33.2 Third locking part

[0173] 310, 320 handle element (operating section)

[0174] 31 M, 32M, 33M magnetic element

[0175] 330, 331 Locking section (locking element)

[0176] 4, 4A, 4B hold open mechanism

[0177] 40 Tensioning cable (locking element)

[0178] 40A partition wall

[0179] 400 rope lock

[0180] 41.1 , 41.2 First locking element

[0181] 411 M, 412M, magnetic element

[0182] 421M, 422M

[0183] 413 guide bridge

[0184] 414 locking groove (locking opening)

[0185] 41 M, 42M magnetic element

[0186] 42.1 , 42.2 Second locking element

[0187] 423 guide channel

[0188] 424 locking lug (locking element)

[0189] 425 support arm

[0190] 426 Base

[0191] 43.1 , 43.2 spring band

[0192] 51 , 52 Operating loop (release element)

[0193] 6 Actuating tab (actuating element)

[0194] 7 hip belt

[0195] 8 Spring element 8.1 , 8.2 Leg

[0196] 8.3 Basis

[0197] 9 Closure

[0198] 90 Safety part

[0199] 91 counterpart

[0200] F1, F2 fingers

[0201] H Hand

[0202] 11 , I2 compartment

[0203] K Notch (weakened area)

[0204] O Opening

[0205] R edge section

[0206] S Closing axis s Adjustment range

[0207] T1, T2 carrying strap

[0208] UB Overlap area x, y, z spatial direction

Claims

Claims 1. Closure device for closing an opening (O), wherein the closure device (2) has at least a first closure part (31) and at least a second closure part (32), wherein - the first closure part (31) and the second closure part (32) interact in a magnetically attractive manner such that in a closed position of the closure device (2) the opening is closed, and - the first closure part (31) and the second closure part (32) can be displaced into an open position to release the opening (O) against a magnetic force applied by the first and second closure parts (31, 32), characterized in that the closure device (2) has at least one hold-open mechanism (4, 4A, 4B) by means of which the first and second closure parts (31, 32) are locked in the open position and which counteracts a displacement of the first and second closure parts (31, 32) into the closed position with a holding force.

2. Closure device according to claim 1, characterized in that the holding force is applied via at least one positive connection, a non-positive connection and / or a magnetic force.

3. Closure device according to claim 1 or 2, characterized in that the holding force is predetermined in a manually overridable manner via the holding-open mechanism (4, 4A, 4B).

4. Closure device according to one of claims 1 to 3, characterized in that the hold-open mechanism (4, 4A, 4B) applies an opening force which at least supports the first and second closure parts (31, 32) assuming the open position and / or the locking of the first and second closure parts (31, 32) in the open position and which is higher in the open position of the first and second closure parts (31, 32) than in the closed position and lower in the closed position of the first and second closure parts (31, 32) than in the open position, while a closing force applied by the first and second closure parts (31, 32) which causes a displacement of the first and second closure parts (31, 32) is supported in the direction of the closed position, is higher in the closed position and lower in the open position. Closure device according to one of the preceding claims, characterized in that the hold-open mechanism (4, 4A, 4B) comprises at least one first locking element (41.1, 41.2; 330) and at least one second locking element (42.1, 42.2; 331), and the first and second locking elements (41.1, 42.1; 41.2, 42.2; 330, 331) cooperate with one another in the open position to lock the first and second closure parts (31, 32) in the open position. Closure device according to claim 5, characterized in that the first and second locking elements (41.1, 42.1; 41.2, 42.2; 330, 331) for locking the first and second closure parts (31, 32) in the open position are adjustable from a rest position to a locking position relative to one another by bridging a predefined adjustment path (s).Closure device according to claim 5 or 6, characterized in that the first and second locking elements (41.1, 42.1; 41.2, 42.2; 330, 331) cooperate in a magnetically attractive manner in order to lock the first and second closure parts (31, 32) in the open position. Closure device according to claim 6 and 7, characterized in that the first and second locking elements (41.1, 42.1; 41.2, 42.2; 330, 331) cooperate in a magnetically attractive manner in such a way that the first and second. Locking elements (41.1, 42.1; 41.2, 42.2; 330, 331) are automatically moved into the locking position under the action of a magnetic force. Closure device according to claim 6 or 8, characterized in that a magnetic force applied by the first and second locking elements (41.1, 42.1; 41.2, 42.2), which supports a displacement of the first and second locking elements (41.1, 42.1; 41.2, 42.2) in the direction of the locking position, is higher in the open position of the first and second closure parts (31, 32) than in the closed position and is lower in the closed position of the first and second closure parts (31, 32) than in the open position, while a magnetic force applied by the first and second closure parts (31, 32) as a closing force, which supports a displacement of the first and second closure parts (31, 32) in the direction of the closed position, is higher in the closed position and lower in the open position.

10. Closure device according to one of claims 5 to 9, characterized in that the first locking element (41.1, 41.2) has at least one first magnetic element (411M; 412M) and the second locking element (42.1, 42.2) has at least one second magnetic element (421M; 422M) for locking the first and second closure parts (31, 32) in the open position, and at least one of the first and second locking elements (41.1, 41.2; 42.1, 42.2) has a further magnetic element (412M, 411M, 421M, 421M) provided thereon, which further magnetic element (421M, 421M, 412M, 411M) is connected to a magnetic element (421M, 421M, 412M, 411M) of the other locking element (42.1, 42.2; 41.1 , 41.2) is oppositely polarized, so that magnetic elements of the first and second locking elements (41.1, 41.2; 42.1, 42.2) repel each other in the rest position and thus prevent a displacement of the first and second locking elements (41.1, 41.2; 42.1, 42.2) in the direction of the locking position until a minimum adjustment path of the first and second locking elements (41.1, 41.2; 42.1, 42.2) has been bridged relative to each other. 11 . Closure device according to one of claims 5 to 10, characterized in that the first and second locking elements (41.1, 42.1; 42.2, 41.2; 330, 331) are coupled to the first and second closure parts (31, 32), so that the first and second locking elements (41.1, 42.1; 42.2, 41.2; 330, 331) are transferred into a locking position when the first and second closure parts (31, 32) are displaced from the closed position into the open position, in which the first and second locking elements (41.1, 42.1; 42.2, 41.2; 330, 331) cooperate with one another to hold the first and second closure parts (31, 32) in the open position. lock.

12. Closure device according to claim 1 1, characterized in that the first and second locking elements (41 .1 , 42.1 ; 42.2, 41 .2) can each be pivoted about a pivot axis into the locking position while displacing the first and second closure parts (31 , 32) into the open position.

13. Closure device according to one of claims 7 to 9 and according to claim 11 or 12, characterized in that the first locking element (41.1, 41.2, 330, 331) has at least one first magnetic element (41M; 411M, 412M) and the second locking element (42.1, 42.2) has at least one second magnetic element (42M; 421M, 422M) and the first and second magnetic elements (41M, 42M; 411M, 412M, 421M, 422M) are displaced towards one another or at least partially over one another when the first and second locking elements are displaced into the locking position. Closure device according to one of claims 5 to 13, characterized in that the first and second locking elements (41.1, 42.1; 41.2, 42.2) are positively connected to one another in the open position of the first and second closure parts (31, 32) in order to lock the first and second closure parts (31, 32) in the open position. Closure device according to claim 14, characterized in that the first and second locking elements (41.1, 42.1; 41.2, 42.2) are locked together in the open position of the first and second closure parts (31, 32) in that at least one locking element (424) provided on one of the locking elements (41.1, 42.1; 41.2, 42.2) engages in a locking opening (414) or another locking element provided on the other locking element (42.1, 41.1; 42.2, 41.2).Closure device according to one of claims 5 to 15, characterized in that the first closure part (31) and the second closure part (32) are provided for arrangement on first and second closure sections (101S, 102S), wherein the at least one first locking element (41.1, 41.2) protrudes beyond an edge (101R) of the first closure section (101S) and the at least one second locking element (42.1, 42.2) protrudes beyond an edge (102R) of the second closure section (102S), so that the first and second locking elements (41.1, 42.1; 41.2, 42.2) lie opposite one another. Closure device according to one of claims 5 to 8, 11, and 13 to 15, characterized in that the first and second locking elements (41.1, 42.1) are provided for arrangement in a cavity accessible via the opening (O), wherein a first end piece of the first locking element (41.1) and a second end piece of the second locking element (42.1 ) are spaced apart from one another in the closed position and interact with one another in the open position to apply the holding force. Closure device according to claim 17, characterized in that at least one first magnetic element (41 1 M) is provided on the first end piece and at least one second magnetic element (421 M) is provided on the second end piece, wherein the first and second magnetic elements (41 1 M, 421 M) interact in a magnetically attractive manner in the open position to secure the two end pieces to one another. Closure device according to claim 17 or 18, characterized in that the first and second closure parts (31, 32) each extend along a transverse axis (x-axis) and the first and second locking elements (41.1, 42.1; 42.2, 41.2) are provided to be brought into contact with one another at their end pieces by adjustment from the closed position to the open position and to cooperate with one another in order to apply a clamping force to ends of the closure parts (31, 32) provided laterally along the transverse axis (x-axis) in the open position via the first and second locking elements (41.1, 42.1). Closure device according to one of claims 5 to 16, characterized in that the first and second closure parts (31, 32) each extend along a transverse axis (x-axis) and the first and second locking elements (41.1, 42.1; 42.2, 41.2) each project with at least one section along the transverse axis (x-axis) beyond the ends of the closure parts (31, 32). Closure device according to claim 16 or 20, characterized in that the first and second locking elements (41.1, 42.1; 41.2, 42.2) are in a locking position in the open position of the first and second closure parts (31, 32) in order to lock the first and second closure parts (31, 32) in the open position, and the first and second locking elements (41.1, 42.1; 41.2, 42.2) each have an operating section coupled to an associated closure part (31, 32) for a manual force application and are designed to move the closure parts (31, 32) by displacement of the first and second locking elements (41.1, 42.1; 41.2, 42.2) from a rest position towards the locking position as a result of an actuating force applied manually to the operating sections. 32) from the closed position to the open position.Closure device according to one of the preceding claims, characterized in that the first closure part (31) extends along a transverse axis (x-axis) and comprises at least two sections which are connected to one another via a weakened region (K) over which the at least two sections are displaceable relative to one another, and / or the second closure part (2) extends along a transverse axis (x-axis) and comprises at least two sections which are connected to one another via a weakened region (K) over which the at least two sections are displaceable relative to one another. Closure device according to claim 22, characterized in that the at least two sections are connected to one another via the weakened region (K) in the material from which the first or second closure part (31, 32) is made, such that when the closure device (2) is adjusted from the closed position to the open position, the at least two sections are displaceable relative to one another about a hinge axis defined by the weakened region (K). Closure device according to claim 22 or 23, characterized in that the weakened region (K) is formed by a notch in the material of the first or second closure part (31, 32).Closure device according to one of claims 22 to 24, characterized in that the first closure part (31) comprises a plurality of weakened regions (K), via which at least two sections of the first closure part (31) can be displaced relative to one another, and / or the second closure part (32) comprises a plurality of weakened regions (K), via which at least two sections of the first closure part (32) can be displaced relative to one another.Closure device according to one of claims 22 to 25, characterized in that the first closure part (31) has a first central region and the second closure part (32) has a second region, wherein the first and second central regions are pressed away from one another in the open position of the closure device (2) and the two sections of the first closure part (31) which are connected to one another at least via a weakened region (K) are provided on the first central region and / or the two sections of the second closure part (32) which are connected to one another at least via a weakened region (K) are provided on the second central region.Closure device according to one of the preceding claims, as far as dependent on one of claims 1 to 9, characterized in that the first and second closure parts (31, 32) each extend along a transverse axis (x-axis) and the at least one hold-open mechanism (4) comprises a flexible, in particular elastic locking element (40) for arrangement in a cavity accessible via the opening (O), wherein the flexible locking element (40) is provided, in the open position, to apply a clamping force to ends of the closure parts (31, 32) provided laterally along the transverse axis (x-axis).

28. Closure device according to claim 27, characterized in that the flexible locking element (40) is provided for arrangement in an intermediate wall (40A) within the cavity.

29. Closure device according to one of the claims, as far as dependent on one of claims 1 to 9, characterized in that the closure device (2) comprises a U-shaped clamping element (8) with a base (8.3) and two legs (8.1, 8.2) connected to one another via the base (8.3), wherein the two legs (8.1, 8.2) are prestressed towards one another and the clamping element (8) is provided to apply the holding force in the open position via the two legs (8.1, 8.2) prestressed towards one another.

30. Closure device according to one of the claims, as far as dependent on one of claims 1 to 9, characterized in that the closure device (2) for applying the holding force comprises at least one spring band (43.1, 43.2) which is pretensioned against an adjustment of the first and second closure parts (31, 32) from the open position into the closed position.

31. Closure device according to claim 30, characterized in that the at least one spring band (43.1, 43.2) extends along the first or second closure part (31, 32), is an integral part of the first or second closure part (31, 32) or, in the open position, runs between one end of the first closure part (31) and an opposite end of the second closure part (32).

32. Closure device according to one of the preceding claims, characterized in that the first and / or second closure part (31, 32) comprises one or more discrete magnetic elements (31M, 32M) or consists of a magnetic material or material acting as a magnetic armature.

33. Closure device according to one of the preceding claims, characterized in that the first and second closure parts (31, 32) in the closed position form a closure assembly (3) which can be adjusted from a release position, in which the first and second closure parts (31, 32) can be removed from one another to release the opening, into a closed position in which the closure assembly (3) and a third closure part (33) interact in such a way that the closure assembly (3) is held in the closed position. Closure device according to claim 33, characterized in that the third closure part (33) and the closure assembly (3) interact in a form-fitting manner, in particular via a hook-and-loop fastener and / or magnetically attractive, in order to hold the closure assembly (3) in the closed position. Closure device according to claim 33 or 34, characterized in that the first closure part (31) and the second closure part (32) are provided for arrangement on first and second closure sections (101S, 102S), and the closure assembly (3) can be adjusted from the release position into the closed position by folding or rolling up the first and second closure sections (101S, 102S) at least once.Closure device according to one of claims 5 to 8, 11, and 13 to 15 and according to one of claims 33 to 35, characterized in that the third closure part (33) is provided for arrangement in a cavity accessible via the opening (O) and is formed by two locking elements (330, 331) of the hold-open mechanism (4) which, when the first and second closure parts (31, 32) are adjusted from the closed position to the open position, overlap one another in an overlap region (UB) and interact in a magnetically attractive manner in the overlap region (UB) and / or lock one another in a form-fitting and / or force-fitting manner in order to apply the holding force.Closure device according to one of the preceding claims, characterized in that the closure device (2) is provided for closing an opening (O) through which a hollow body (10) is accessible, and / or that the closure device (2) is provided for arrangement on a storage device (1). Storage device with a hollow body (10) for receiving at least one object and / or a liquid, wherein the at least one object and / or the liquid can be introduced into the hollow body (10) via an opening (O) which can be closed by a closure device according to one of claims 1 to 37.

Images