SCREWDRIVER TOOL WITH MAGAZINE

Description

field of technology

[0001] The invention relates to a device with a storage device arranged in a storage position in a storage cavity of a handle for storing screwdriver bits which can be selectively inserted into a chuck, in particular of the device, wherein the storage device can be brought in an axial direction relative to an actuating axis from the storage cavity into a removal position in which at least one of the screw bits can be removed from the storage device. State of the art

[0002] Screwdrivers which have a magazine in their handle which can be moved from a storage position to a removal position and is in the form of a storage device for bits are known in particular from DE 30 04 958 A1, DE 200 12 953 U1, DE 10 2004 011 892 A1 and EP 0 674 567 B1. The latter document describes a handle with a blade inserted therein which forms a shaft along which a storage device for storing screwdriver bits can be pulled out in the axial direction from a storage cavity in the handle.

[0003] The preamble of claim 1 is set out in US 7 066 061 B1.

[0004] Other examples are known from US 3 426 813 A, US 2018 / 207787 A1, US 2017 / 239807 A1, DE 20 2012 101086 U1 or DE 10 2007 033331 A1. Summary of the invention

[0005] The invention is based on the object of developing a generic device in a manner that is advantageous in use.

[0006] The object is achieved by the invention specified in claim 1, wherein the subclaims represent advantageous developments of the invention specified in the main claim.

[0007] Firstly and essentially, it is proposed that the storage device, after being moved from the storage position, can be brought into a pivoting position in the removal position about a pivot bearing. The storage device, which is inserted into the storage cavity in the storage position, can initially slide along a shaft formed by the blade of a device designed as a screwing tool, wherein it is provided that the sliding movement is limited by a stop. If the storage device reaches the stop after its particularly linear displacement, it can preferably be pivoted about a bearing point. It is provided in particular that the storage device can perform a wobbling movement, wherein it is also provided that the pivoting angle is 10°, 15°, 20° or at least 25° relative to a coaxial position of the storage device to the actuating axis. The bearing point orThe pivot bearing can be formed by the head of a shaft. The shaft can extend along a central axis of the storage cavity. The head can be formed by an enlarged-diameter section of the end of the shaft. The shaft can be made of steel, while the handle and the storage device can be made of plastic. The head can have a rounded, frustoconical, or similarly shaped apex surface. Opposite the apex surface can be a locking step, which can be engaged beneath by a bearing element formed by a projection of a spring tongue. In a further development of the invention, it is proposed that a central cavity of the storage device forms a guide channel. The bearing elements, in particular the projections that engage beneath the head, can be formed by an end section of the guide channel.The storage device can be dumbbell-shaped. It can have a base plate that is spaced axially from a cover plate. In the stored position, the cover plate can close the storage opening. The storage device can be rotatably arranged in the storage cavity so that the cover plate can rotate relative to the handle. This facilitates screw operation if the cavity of the hand grasping the handle is supported on the cover plate. In the removal position, the base plate can lie in the area of the opening of the storage cavity. The base plate can have return elements. These can be spring arms that are aligned in the azimuthal direction and can be resiliently displaced in the radial direction relative to the axis. In particular, projections of the return element can be supported on the wall of the storage cavity.They provide a restoring force that can force the pivoted storage device back into a non-pivoted position. In particular, it is provided that radially outward-facing sections of the restoring element are supported on the inner wall of the storage cavity when the storage device is in a non-pivoted position. They can be supported there under spring preload, whereby the spring preload is sufficiently great to still generate a restoring force when the storage device is brought into the pivoted position. In particular, it is provided that the storage device can be pivoted so far that the screwdriver bits stored in it come into contact with the edge of the storage cavity. By supporting themselves on the edge of the storage cavity in this position, the screwdriver bits assume a position that is secured against falling out.The screw inserts arranged on the opposite side, which are then arranged on the pivoting outer side, are easier to remove from their storage compartments according to the invention. In particular, it is provided that the storage compartments are chambers that are open to the outside in the radial direction and in which hexagonal sections of the screw inserts are held in a clamp fit. The storage compartments are arranged in particular directly adjacent to the cover plate so that the screw inserts extending parallel to the axis can be angled out of the storage compartments. In a further development of the invention, it is proposed that the storage device be designed in two parts. It can be formed from two plastic parts that are inserted one into the other in the axial direction.In particular, it is provided that a first part of the storage device has an insertion section which is inserted into an insertion cavity of a second part. It can be provided that the insertion section is formed by an axial extension of a central section. The insertion cavity can also be formed by a central section. The storage compartments extend around the central section. Furthermore, it is provided that the handle has a substantially rotationally symmetrical shape with respect to the shaft, wherein the shaft can carry a screwing tool or a chuck at its free end. By rotating the handle about the axis of rotation, the screwing tool or the chuck can be rotated. The shaft is preferably inserted into a fastening opening in the handle.It can be pressed in from the outside of the handle through the fastening opening so that a section of the shaft having the head at its end extends through the center of the storage cavity, whereby the section of the shaft extending freely through the storage cavity can have a length that essentially corresponds to the axial length of the storage cavity so that the head of the shaft lies in the area of the opening edge of the storage cavity. The shaft can have locking projections that interact with the bearing elements or that interact with resilient projections so that the storage device, which forms a magazine for storing bits, is held in a locking manner in the storage position and in the removal position. Several, in particular four, spring tongues are provided, which are arranged evenly distributed around the circumference of the shaft and have projections at their free ends that engage under the head.These projections also interact with locking projections formed by the shaft.

[0008] The device functions as follows: Starting from a storage position in which the storage device is fully inserted into the storage cavity and the storage cavity is closed by the cover plate, the storage device can be moved into its removal position by axially pulling on the cover plate, which can protrude slightly over the edge of the handle for this purpose. In the storage position, the storage cavity is essentially closed dust-tight. A collar formed on the edge of the cover plate engages over a collar on the edge of the opening. To move the device into the removal position, the storage device can be pulled along the shaft until the bearing elements strike the locking step of the head. In this position, the storage device can be tilted by a pivoting angle. During this linear movement, the head is guided within the guide channel of the storage device.This can be done in such a way that the storage device cannot be pivoted during linear displacement, but can only be pivoted when the head strikes the projections of the spring arms, which form the bearing elements about which the head can be pivoted. The storage device can be moved from a non-inclined position to an inclined position against the restoring force of a spring element. The storage device can be tilted so far that the screw bits arranged on the inside of the inclination abut the edge of the storage cavity. The bits arranged on the outside of the inclination can then be more easily removed from their storage compartments and placed back into the storage compartments. The bits arranged on the opposite side can rest on the edge of the storage cavity to prevent them from falling out. Short description of the drawings

[0009] An embodiment of the invention is explained below with reference to the accompanying drawings. They show: Fig. 1 the screwing tool in the view with a storage device 3 brought into a removal position, which assumes a pivoting position, Fig. 2 an exploded view of the elements of the device, Fig. 3 the section according to the line III-III, but in a non-pivoted position of the storage device 3, Fig. 4 a representation according to Figure 3 , but in the storage position, Fig. 5 the section along the line VV in Figure 3 , Fig. 6 a section according to Figure 3 , but with pivoted storage device 3, Fig. 7 one of two parts of the storage device 3, Fig. 8 a plan view of a base plate 11 of the storage device. Description of the embodiments

[0010] The device shown in the drawings is a screwing tool with a handle 1 made of plastic. The handle has a shortened axial handle length of approximately half a hand's width. The handle 1 has a front end and a rear end. The front end has a fastening opening 17 into which a steel shaft 6 is inserted. At the free end of the shaft 6 is a chuck 5 for inserting a screwing tool. The screwing tool is preferably a screw insert 4. The rear end of the handle 1 is formed by a cover plate 12 in a use position. The cover plate 12 closes a storage cavity 2 open towards the rear end of the handle 1. The storage cavity 2 has a circular-cylindrical cross-section. The shaft 6, which has a head 7 at its free end, extends through the central axis of the storage cavity 2.The head 7 lies approximately at the level of an opening edge 2' of the storage cavity 2.

[0011] In the Figure 4In the storage position shown, a storage device 3 designed as a magazine for receiving screwdriver bits is inserted into the storage cavity 2. A base plate 11 of the storage device 3 extends directly above a floor of the storage cavity 2. The shaft 6 projects through a guide channel 9 of the storage device 3 consisting of two parts. A first part of the storage device 3 forms the base plate 11, which in its peripheral region has spring tongues extending in the azimuthal direction, which form return elements 21 and which are separated from the central region of the base plate 11 by a free space 23. A central section 13 arises from the central region of the base plate 11, from which in turn an insertion section 16 projects in the axial direction. The insertion section 16 can be inserted into an insertion cavity 15 of the other part of the storage device 3, which likewise has a central section 14.When plugged together, the two central sections 13, 14 form a central axis of the storage device 3, which, together with the cover plate 12 and the base plate 11, give the storage device 3 a substantially dumbbell-shaped configuration.

[0012] Directly below the cover plate 12 are storage compartments 10, evenly distributed circumferentially around the central section 14. Each compartment has fork-shaped projections between which hexagonal sections of the screw inserts can be held. The screw inserts extend parallel to the central section 13, 14. Locking means 24, 25 are provided for securing the two parts of the storage device 3 together. A locking projection 24 can engage in a locking recess 25.

[0013] The central section 13, 14 forms the cavity 8 in which the shaft 6 is located in the stored position. In the area of the base plate 11, there are bearing elements 8 formed by radially inwardly projecting projections of spring tongues 18 located in the central section 13. The projections engage under a detent step 7" of the head 7. The head 7 forms a point-shaped pivot bearing about which the storage device 3 can be pivoted from a non-pivoted position in which the guide channel 9 is located in the central axis A. The storage device 3 can be pivoted, in particular, through pivot angles of up to 25°. Starting from a central neutral position in which the axis of the storage device 3 coincides with the axis of rotation A, the storage device 3 can be pivoted in any radial direction.In the pivoted position, the figure axis of the storage device 3 can be moved on a conical surface around the rotation axis A. However, the pivot angle can also be greater than 25°. In particular, it is provided that the storage device 3 can be pivoted in any direction until the bits 4 arranged in the storage compartments 10 on the inside of the pivot abut the opening edge 2' of the storage cavity 2.

[0014] The return elements 21 are able to actuate the storage device 3 from the pivoted position towards the non-pivoted position.

[0015] A section 26 of shaft 6 with an enlarged diameter, which is inserted into the fastening opening 17, is followed by a section of shaft 6 with a reduced diameter, which extends through the retaining cavity 2. This section has at least two rotationally symmetrical locking projections 19, 20, which interact with the bearing elements 8. The bearing elements 8, which are formed by projections arranged at the ends of spring arms 18, together with the locking projections 19, 20, perform a locking function. The locking projections 19, 20 are formed by hinge-symmetrical truncated cone sections.

[0016] An apparatus or method characterized by one or more of the characterizing features of any preceding claim. List of reference symbols

[0017] 1 Handle 25 locking means, locking recess 2 Custody hollow 26 Section 2' Opening edge 3 Storage facility A Central axis 4 screw insert 5 feed 6 shaft 7 Head 7' frontal surface 7" locking step 8 bearing shell 9 guide channel 10 Storage compartment 11 Footplate 12 cover plate 13 Central section 14 Central section 15 Insertion cavity 16 Insert section 17 Mounting opening 18 Spring tongue, spring arm 19 locking projection 20 locking projection 21 Reset element 22 projection 23 Free space 24 Resting aid

Claims

1. Device with a storage device (3) arranged in a storage position in a storage cavity (2) of a handle (1) for storing screwdriver inserts (4) which can be optionally inserted into a chuck (5), in particular of the device, wherein the storage device (3) can be brought out of the storage cavity (2) into a removal position in an axial direction relative to an actuating axis (A), in which the storage device (3) can be brought about a pivot bearing into a pivot position relative to the actuating axis (A), in which at least one of the screwdriver inserts (4) of the storage device (3) can be removed, characterised in that the pivot bearing forms a bearing point about which the storage device (3) can be pivoted, the figure axis of the storage device (3) being movable about the actuating axis (A) on a conical lateral surface in the pivoted position.

2. Device according to claim 1, characterised in that the pivot bearing forms a bearing point about which the storage device can be pivoted through a pivot angle (α) of at least 10°, at least 15°, at least 20° or at least 25° from a coaxial position relative to the actuating axis (A).

3. Device according to one of the preceding claims, characterised in that the bearing point is formed by a head (7) of a shaft (6) which has a screw device in the form of a chuck (5) or a screw profile at its free end.

4. Device according to claim 3, characterised in that the shaft (6) in the storage position engages in a guide channel (9) of the storage device (3) and the head (7) in the removal position is mounted in bearing element (8) formed by an end section of the guide channel (9).

5. Device according to one of the preceding claims, characterised in that the storage device (3) is of dumbbell-like design, with a base plate (11), in the centre of which bearing elements (8) of the pivot bearing are arranged, and with a cover plate (12), which closes the storage cavity (2) in the storage position.

6. Device according to one of the preceding claims, characterised in that restoring elements (21) formed by a base plate (11), which are supported on the wall of the storage cavity (2) and are tensioned during pivoting, generate a restoring force in order to pivot the storage device (3) back from its pivoted position.

7. Device according to one of the preceding claims, characterised in that the storage device (3) consists of a first part which forms an insertion section (16) which is inserted into an insertion cavity (15) of a second part, the insertion section (16) being formed by an axial extension of a central section (13) and the insertion cavity (15) being formed by a central section (14).

8. Device according to one of the preceding claims, characterised in that the screwdrivers inserts (4) held in storage compartments (11) can be removed from the storage device (3) in a radial direction relative to the actuating axis (A).

9. Device according to one of the preceding claims, characterised in that, in a swivel end position of the storage device (3), the screwdriver inserts (4) arranged in the storage compartments (11) touch the edge of the storage cavity (2) in the swivel position, in order thus preferably to secure the screwdriver inserts (4) against falling out.

10. Device according to one of claims 3 to 9, characterised in that the shaft (6) extends in the actuating axis (A), which is an axis of symmetry of the device and forms an axis of rotation, about which the chuck (5) arranged at the free end of the shaft (6) is rotatable by applying a torque to the handle (1).

11. Device according to one of claims 5 to 10, characterised in that the cover plate (12) is rotatable relative to the handle (1).

12. Device according to one of claims 3 to 11, characterised in that the shaft (6) is pressed into the handle (1) by engaging through a fastening opening (17).

13. Device according to one of claims 3 to 12, characterised in that a rear section of the shaft (6) extends in the axial direction almost through the entire storage cavity (2).

14. Device according to one of claims 3 to 13, characterised in that the head (7) is a diameter-enlarged end section of the shaft (6).

15. Device according to one of claims 3 to 14, characterised in that the shaft (6) has one or more latching projections (19, 20), by means of which the storage device (3) latches in its storage position and / or its removal position.