Securing system for mobile devices

Abstract

The invention relates to a securing system for mobile devices (100), comprising a slider piece (1) having hollow channels (3a, 3b), through which at least one support cord (8) is guided, wherein the slider piece (1) has a tapered shape (5) of the hollow channels (3a, 3b), which generates a braking effect and thereby enables a fixed holding of the slider piece (1) on the at least one support cord (8) in any position. The object of the invention is therefore to further improve secure handling of the mobile devices (100) and to simultaneously allow the length of the securing system to be adjusted particularly quickly. The object is achieved in that two hollow channels (3a, 3b) are provided, which are arranged on both sides of a central axis (Z) of the slider piece (1) and are each formed between a first and a second inlet opening (9a, 9b) with an opposite curve profile about the central axis (Z), wherein the respective tapered shape (5) in both hollow channels (3a, 3b) is formed between the first and second inlet opening (9a, 9b).

Description

[0001] MOBILE DEVICES MOUNTING SYSTEM

[0002] DESCRIPTION

[0003] The invention relates to a fixing system for mobile devices according to the features set out in the preamble of claim 1.

[0004] Mobile devices such as small appliances, handheld tools, and scanners, e-readers, tablets, and mobile phones are typically held by hand. If you only want to temporarily put the device down and perform another small task with your occupied hand, you must either put the device down or attach it to something else, such as a necklace. Mobile phone attachment systems come in a wide variety of designs. These range from necklaces and wrist straps to loops attached to the back of the smartphone with rigid or elastic bands, furniture knob-like mounts, and elastic finger holders. Ring-based finger holders are particularly common for smartphones, providing secure and comfortable handling. In addition to finger ring holders connected to the smartphone via threads, ring systems attached directly to the back of the smartphone have become the most popular.Examples can be found, among others, in publications CN103973849, JP2015128273, KR102022114663, KR20201800246U, KR102019105472, KR102019011932, KR101866881, KR101967070, KR101965565, KR102014003807, and US11552667. The basic functionality of the sliding unit according to the invention roughly corresponds to the functionality of commercially available so-called cord stoppers or grip stoppers. The holding function of such stoppers is always achieved by a mechanically movable clamping system. Spring-based clamping systems are the most widespread, but there are also clamping wheel and clamping wedge-based systems.

[0005] Another state of the art is represented by DE 20 2021 103 173 U1, which features a length-adjustable support device in which the two ends of a support cable are doubled and grip the cable in a friction-fit manner using guide sleeves. The length of the support cable can be adjusted by sliding the sleeves.

[0006] The fixation systems known from the prior art can improve the wearing comfort and handling of mobile devices; however, they all share the disadvantage that briefly releasing the used hand without putting down the device is only possible to a limited extent. Furthermore, adjusting the carrying strap is only possible with the use of both hands.

[0007] The invention was therefore based on the objective of further improving the safe handling of mobile devices and at the same time enabling a particularly quick length adjustment of the fixing system.

[0008] The problem is solved according to the invention with the features of claim 1. At least one support cable is guided through the hollow channels, wherein the sliding unit has an inwardly tapered shape of the hollow channels, which creates a braking effect and thereby enables a firm hold of the sliding unit on the at least one support cable in any position. The support cable runs through the tapered shape of the hollow channels and experiences a clamping effect there due to the narrowing of the diameter, such that the sliding unit is held on the support cable by friction. Carrying and holding is possible with only one or two fingers. A suitable distance between the carrying finger and the mobile device to be held can be achieved very easily with just one finger.

[0009] Advantageously, the sliding unit also features an internal through-hole for receiving a finger. This internal through-hole can have a diameter of 1.00 cm to 4.00 cm.

[0010] Advantageously, one or more protrusions are formed within the hollow channels. The diameter of the hollow channels should be slightly smaller than the diameter of the support cable to prevent uncontrolled slippage of the cable, but without significantly hindering easy movement with a finger. The protrusion(s), along with the narrowing of the hollow channels and their smaller diameter compared to the support cable, serves to increase friction or prevent crushing of the cable as it passes through, thus securely fixing the mobile device in various positions.

[0011] To meet the mechanical requirements placed on the sliding unit, it is preferably made using resistant, durable and robust plastics with high impact resistance and durability, such as polycarbonate, acrylonitrile butadiene styrene or thermoplastic polyurethane, which are available in many colors and biological or recycled options.

[0012] The sliding unit can be designed in a wide variety of basic geometric shapes. The basic shape can be a flat cuboid, an ellipsoidal-cylindrical, or a prismatic design, with hollow channels on the outer flanks. A particularly preferred shape is the torus, as it best meets ergonomic requirements. Advantageously, the at least one support cable, which runs through the hollow channels, is made of a flexible material such as woven fabrics of natural or synthetic textile fibers, leather or metal braiding, or elastic solid or hollow plastic or rubber.

[0013] The at least one support cable can have a length between 5 cm and 200 cm, depending on the intended application, and may be guided in a loop to prevent loss due to slippage. Alternatively, the at least one support cable can be used with open ends, in which case it should have end-mounted stop elements that prevent the sliding unit from slipping and can optionally serve as decorative elements.

[0014] The at least one carrying cord is made of durable materials available in a variety of colors to meet aesthetic requirements. Alternatively, it can be made from organic materials, corresponding to naturally available wool types, or recycled materials. When selecting the carrying cord material, care should be taken to ensure that excessive dirt does not accumulate in or on the braided material or surface over time, as this could negatively affect its friction and braking properties in relation to the material being moved. To use the attachment system as a lanyard for a mobile phone, the carrying cord should be sufficiently long to allow it to be easily slipped over the head.

[0015] Ideally, the internal opening of the sliding unit should have a diameter of 1 cm to 4 cm to accommodate one or two fingers. Furthermore, the opening should have an ergonomically rounded edge to protect the fingers from uncomfortable pressure. In addition to using a single sliding unit, the fixing system can include multiple units to hold heavier devices or to increase the stability of the holding device.

[0016] Preferably, the sliding unit has several cutouts extending into the hollow channels. These cutouts, which control the frictional resistance and are very finely adjustable in terms of shape, size, and number, allow for setting and ensuring an optimal balance between braking force and sliding motion. If the sliding unit is moved very intensively, resulting in an increased temperature and a significant decrease in the coefficient of friction, the cutouts also serve to improve heat distribution to ensure the stability of the support cable.

[0017] In addition to their pure functionality, the cutouts also serve to improve the design and can be adapted according to taste, aesthetics or fashion.

[0018] Exemplary fixing systems can be designed in such a way that they have a sliding unit made of one or more materials in combination, whereby the sliding unit can consist of several components, each made of different materials such as plastic, metal, silicone or rubber, in order to achieve specific properties such as flexibility, durability, grip or a special aesthetic.

[0019] Furthermore, such fixing systems can be equipped with a sliding unit featuring different surface textures. Specific areas or the entire surface of the sliding unit can be provided with grooved, studded, smooth, or other tactile textures to improve grip, vary the haptic experience, and allow for aesthetic differentiation. The fixing system can also include a sliding unit that is either manufactured as a single component in a single production step or is made from several individual parts that are subsequently joined together to form a unit.

[0020] For better understanding, the invention is described in more detail below with reference to four figures. These show the

[0021] Fig. 1a: a perspective view of a

[0022] Fixing system with a mobile device attached to it and a sliding unit adjacent to the mobile device;

[0023] Fig. 1b: a view of the fixing system in

[0024] Holding position by means of a through-opening with adjacent sliding unit;

[0025] Fig. 1c: a view of the fixing system with a sliding unit located a short distance from the mobile device;

[0026] Fig. 1d: a view of the fixing system in

[0027] Holding position by means of a through-opening with a closely spaced sliding unit;

[0028] Fig. 1e: a view of the fixation system with a mobile device attached to it in an alternative carrying position with the sliding unit positioned as far away from the mobile device as possible; Fig. 1f: a view of the fixation system with a mobile device attached to it in another alternative carrying position;

[0029] Fig. 2: a horizontal section through the displacement unit according to a first embodiment;

[0030] Fig. 3: a top view of the sliding unit according to a second embodiment and

[0031] Fig. 4: a side view in direction B of the sliding unit shown in Fig. 3.

[0032] The following figures, 1a to 1f, illustrate the basic structure and function. Figure 1a, for example, shows the fixation system on a mobile device 100 with a sliding unit 1 directly attached to the mobile device 100. Figure 1b shows its use with the hand in telephone mode. Figure 1c shows the sliding unit 1 away from the mobile device 100. Figure 1d shows the holding process with only one finger, leaving the hand largely free for other small tasks. Figure 1e shows the mobile device 100 being worn around the neck, and Figure 1f shows it being worn on the wrist.

[0033] The fixing system comprises the sliding unit 1, which essentially includes a torus 2, an adapter plate 11 attached to the rear of the mobile device 100, and at least one support cable 8, which engages the adapter plate 11 and passes through the sliding unit 1 with two strands. The at least one support cable 8 can be a one-piece, integral support cable 8, which is fixed in place at its central section on the adapter plate 11. Alternatively, two separate support cables 8 can be provided, each attached at its end to the adapter plate 11 and with their free ends 12 passing through the sliding unit 1.

[0034] The free ends 12 are each provided with fixed stop elements 13 to prevent the free ends 12 from unintentionally slipping through the sliding device 1 and thus preventing the loss of the sliding device 1.

[0035] In principle, in all embodiments, the sliding device 1 is always held frictionally on the at least one support cable 8. The support cable 8 has a constant diameter 0T.

[0036] To move the sliding device 1 along the at least one support cable 8, the operator simply needs to grasp the sliding device 1 and move it in the desired direction relative to the at least one support cable 8. This is particularly easy if a finger is inserted through a through-opening 4 formed centrally in the sliding device 1. For this purpose, the through-opening 4 has a diameter 0D dimensioned such that a finger can be easily inserted through it. The through-opening 4 is preferably centered within the torus 2.

[0037] The through-opening 4 can also be used to permanently support the entire fixation system, including the attached mobile device 100, by means of a finger inserted through the through-opening 4 (see Fig. 1b, Fig. 1d). The functionality of the sliding unit 1 is explained in more detail in Fig. 2, Fig. 3, and Fig. 4. The following figures are shown schematically and not to scale. The sliding unit 1 comprises a main body in the form of a torus 2. Two hollow channels 3a and 3b penetrate the torus 2 on both sides of a central axis Z that passes through the torus 2 and both exit the torus 2 at adjacent first entry openings 9a and at adjacent second entry openings 9b. The paired first entry openings 9a are opposite the paired second entry openings 9b.

[0038] The hollow channels 3a, 3b are essentially covered within the sliding unit 1 and the torus 2, respectively, so that contact with the operator's hand or other body parts is largely prevented. Otherwise, particularly during rapid movement of the sliding unit 1, friction on the at least one support cable 8 could generate considerable heat, from which the operator is protected due to the enclosed design of the hollow channels 3a, 3b.

[0039] The at least one support cable 8 completely passes through the two hollow channels 3a, 3b. For efficient frictional engagement between the at least one support cable 8 and the hollow channels 3a, 3b, a tapered shape 5 is formed in each of the hollow channels 3a, 3b. The tapered shape 5 is only slightly pronounced and ensures a section-by-section increase in the frictional force of the at least one support cable 8 in this area.

[0040] The variant shown in Fig. 2 features a stepped, tapered shape 5, which reduces the diameter 0H (compare Fig. 3) of the respective hollow channel 3a, 3b only section by section. The sections of the hollow channel 3a, 3b between the tapered shape 5 and the associated first inlet opening 9a and the associated second inlet opening 9b each have a constant, comparatively larger diameter 0H. The smallest diameter 0H of the hollow channels 3a, 3b in the region of the tapered shape 5 is always smaller than the (outer) diameter 0T of the at least one support cable 8.

[0041] To further increase the sliding friction between the at least one support cable 8 and the hollow channels 3a, 3b, projecting protrusions 7 can be formed opposite an inner surface 10 (see Fig. 3). The protrusions 7 are rib-shaped and extend radially with respect to the torus 2. This results in an essentially perpendicular orientation to the at least one support cable 8, with the most efficient clamping and / or frictional effect possible.

[0042] Heat is dissipated from the hollow channels 3a, 3b via several cutouts 6 oriented radially to the torus 2. The cutouts 6 penetrate the torus 2 in the direction of the central axis Z. The numerous cutouts 6 extend distributed along the hollow channels 3a and 3b.

[0043] Fig. 3 shows a further embodiment in which the diameter 0H of the hollow channels 3a, 3b in their axial extent X from the first and second inlet openings 9a, 9b in the direction of the tapered shape 5 is continuously reduced, i.e. without discontinuities.

[0044] REFERENCE MARK LIST

[0045] Shifting unit

[0046] Torus a Hollow channel b Hollow channel

[0047] Through-opening tapered shape hollow channel

[0048] Excerpt

[0049] Survey

[0050] Support cable a first entry opening b second entry opening 0 inside of hollow channel 1 adapter plate 2 free end of support cable 3 support cable stop element 00 mobile device D diameter of through opening H diameter of hollow channel 0T diameter of support cable

[0051] X axial extent hollow channel

[0052] Z central axis

Claims

REQUIREMENTS 1. Fixing system for mobile devices (100), comprising a sliding unit (1 ) with hollow channels (3a, 3b) through which at least one support cable (8) is guided, wherein the sliding unit (1 ) has a tapered shape (5) of the hollow channels (3a, 3b) which generates a braking effect and thereby enables a firm hold of the sliding unit (1 ) on the at least one support cable (8) in any position, characterized in that two hollow channels (3a, 3b) are provided, which are arranged on both sides of a central axis (Z) of the sliding unit (1 ) and are each formed between a first and a second entry opening (9a, 9b) with opposite curves around the central axis (Z), wherein the tapered shape (5) is formed in both hollow channels (3a, 3b) between the first and second entry opening (9a, 9b).

2. Fixing system according to claim 1, characterized in that the tapered shape (5) is arranged centrally between the associated first and second entry openings (9a, 9b).

3. Fixing system according to claim 1 or 2, characterized in that an inner wall (10) of the hollow channels (3a, 3b) between the first and / or second entry opening (9a, 9b) and the tapered shape (5) is formed with a continuous profile.

4. Fixing system according to one of claims 1 to 3, characterized in that the sliding unit (1 ) has an internal through-opening (4).

5. Fixing system according to claim 4, characterized in that the internal through-opening (4) has a diameter (0D) of 1.00 cm to 4.00 cm.

6. Fixing system according to one of claims 1 to 5, characterized in that one or more elevations (7) are formed in the hollow channels (3a, 3b).

7. Fixing system according to one of claims 1 to 6, characterized in that the diameter (0H) of the hollow channels (3a, 3b) is each equal to or slightly smaller than a diameter (0T) of the unloaded support cable (8).

8. Fixing system according to one of claims 1 to 7, characterized in that the support cable (8) is made of a flexible material, in particular woven fabrics made of natural or artificial textile fibers, leather or metal braids, elastic plastic or rubber solid or hollow material.

9. Fixing system according to one of claims 1 to 8, characterized in that several cutouts (6) extending into the hollow channels (3a, 3b) are formed in the sliding unit (1).

10. Fixing system according to one of claims 1 to 9, characterized in that the sliding unit (1) is made of a resistant, durable and robust plastic with high impact resistance and durability, in particular of polycarbonate, acrylonitrile butadiene styrene or thermoplastic polyurethane, or of aluminium.

11. Fixing system according to one of claims 1 to 10, characterized in that the two hollow channels (3a, 3b) are arranged in one plane.

12. Fixing system according to one of claims 1 to 11, characterized in that the two hollow channels (3a, 3b) are shaped in a mirror-symmetrical manner relative to each other.

13. Fixing system according to one of claims 1 to 12, characterized in that the two hollow channels (3a, 3b) are spaced closest to each other in the area of ​​the first and second entry opening (9a, 9b).

14. Fixing system according to one of claims 1 to 13, characterized in that the first and second entry openings (9a, 9b) of a hollow channel are each aligned with each other.

15. Fixing system according to one of claims 1 to 14, characterized in that the fixing system comprises an adapter plate (11) which is fixedly attached to the mobile device (100).

16. Fixing system according to claim 15, characterized in that the at least one support cable (8) is fixed to the adapter plate (11).

17. Fixing system according to one of claims 1 to 16, characterized in that a stop element (13) is attached to one or both free ends (12) of the at least one support cable (8).

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