SEATBELT CONNECTOR

A single-component belt connector with elastic support sections absorbs shocks, addressing high manufacturing costs and user safety concerns by using a compact, efficient design.

DE112023006386T5Pending Publication Date: 2026-03-05YKK CORP
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
DE112023006386
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-05-22
Publication Date
2026-03-05

AI Technical Summary

Technical Problem

Existing belt connectors with shock-absorbing functions require multiple components, leading to high manufacturing costs.

Method used

A belt connector designed with a single component frame that includes a first and second belt receiving section, side sections, and a support section that deforms elastically to absorb shocks, allowing the connector to be compact and aesthetically pleasing while preventing user injury.

Benefits of technology

The single-component design effectively dampens shocks by elastic deformation, maintaining compactness and safety without excessive component exposure, thus reducing manufacturing costs and enhancing user safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

A belt connector 1A comprises a frame (100A) defining an opening (101) penetrating in a Z-direction, the frame (100A) comprising: a first belt receiving section (10) around which a first belt (91) is looped, passing through the opening (101); a second belt receiving section (20) arranged such that the opening (101) is inserted in a Y-direction between the second belt receiving section (20) and the first belt receiving section (10), wherein a second belt (92) passing through the opening (101) is looped around the second belt receiving section (20); a first side section (30A) and a second side section (30B) arranged such that the opening (101) is inserted between them in an X-direction;and a support section (40) which is connected to at least one of the first side section (30A) or the second side section (30B) and supports the first belt receiving section (10), wherein at least a part of the support section (40) deforms elastically when the first belt receiving section (10) receives a load from the first belt (91), thereby displacing the first belt receiving section (10) in a direction away from the second belt receiving section (20, 20C, 301).
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL AREA

[0001] The present invention relates to a belt connector for connecting belts. CURRENT STATE OF THE TECHNOLOGY

[0002] A belt connector for joining belts is known which has a shock-absorbing function to dampen a shock exerted on the joined belts. For example, a belt connector disclosed in patent literature 1 comprises a frame around which two belts are looped, a housing that receives the frame, and a spring that connects one end of the frame and an inner section of the housing. In this connector, the frame slides within the housing when a sudden load is exerted on the belt, while the spring deforms elastically, thereby dampening the shock caused by the load. CITATION LIST PATENT LITERATURE

[0003] Patent Literature 1: US Patent No. 10,842,233 Brief description of the invention; problem(s) to be solved by the invention

[0004] However, the connector disclosed in patent literature 1 requires many components to achieve the shock-absorbing function, which leads to high manufacturing costs.

[0005] The object of the invention is to provide a belt connector with a shock-absorbing function that dampens a shock caused by a sudden load and is made up of a single component. MEANS TO SOLVENT THE PROBLEM

[0006] A belt connector according to an embodiment of the invention comprises a frame that defines an opening penetrating in a thickness direction, the frame comprising: a first belt receiving section around which a first belt is looped, passing through the opening; a second belt receiving section arranged such that the opening is inserted in a connection direction perpendicular to the thickness direction between the second belt receiving section and the first belt receiving section, wherein a second belt passing through the opening is looped around the second belt receiving section; a first side section and a second side section arranged such that the opening is inserted in a width direction perpendicular to the thickness direction and to the connection direction between them;and a support section connected to at least one of the first and second side sections and supporting the first belt receiving section, wherein at least a part of the support section deforms elastically when the first belt receiving section receives a load from the first belt, thereby displacing the first belt receiving section in one direction away from the second belt receiving section.

[0007] In such a design, the belt connector is constructed to encompass the frame, which can be formed in one piece. When a sudden load is applied to the belt connector, at least part of the support section deforms elastically, thereby widening the space between the second belt receiving section and the first belt receiving section. This allows the belt connector to dampen the shock caused by the sudden load. Therefore, according to the embodiment of the invention, a belt connector is provided that has the shock-absorbing function and is constructed from a single component.

[0008] In one embodiment of the invention, it is preferred that the support section is arranged within an arrangement area in the thickness direction of the first side section and the second side section and is arranged between the first side section and the second side section on one side opposite the opening with respect to the first belt receiving section.

[0009] In such a design, the support section is covered by the first strap, which is looped around the first strap receiving section, thereby improving the appearance of the strap connector.

[0010] Since the support section does not extend beyond the arrangement areas of the first and second side sections in either the width or thickness direction, the belt connector can also be constructed in a compact manner. Therefore, a user employing the belt connector will not be injured by the support section, which could otherwise come into contact with the user's body.

[0011] In one embodiment of the invention, it is preferred that the first belt receiving section comprises: a body around which the first belt is looped; a first engagement section projecting from a first end of the body and constructed in such a way that it engages in the first side section in the thickness direction; and a second engagement section projecting from a second end of the body and constructed in such a way that it engages in the second side section in the thickness direction.

[0012] In this configuration, the first belt retaining section engages both the first and second side sections when a torsional load is exerted on it by the first belt (e.g., when a load is applied to one side in the thickness direction to a first end of the first belt retaining section and a load is applied to the other side in the thickness direction to a second end of the first belt retaining section). This prevents excessive deformation of the support section that supports the first belt retaining section and thus prevents damage to the belt connector.

[0013] In one embodiment of the invention, it is preferred that both the first side section and the second side section comprise a receiving hole in which a corresponding first engagement section or second engagement section, which serves as an engagement counterpart, is received in such a way that it is movable in the connection direction.

[0014] In such a design, the first belt receiving section can be shifted in the direction away from the second belt receiving section, and the first belt receiving section can engage in both the first side section and the second side section.

[0015] In one embodiment of the invention, it is preferred that in a state in which the first belt receiving section is displaceable in the direction away from the second belt receiving section, a space is delimited in the thickness direction between the receiving hole of the first side section and the first engagement section, which serves as the engagement counterpart, and a space is delimited in the thickness direction between the receiving hole of the second side section and the second engagement section, which serves as the engagement counterpart.

[0016] This design allows for a slight twisting of the first belt attachment section, thus preventing damage to the belt connector.

[0017] In one embodiment of the invention, it is preferred that a dimension in the thickness direction of the body of the first belt receiving section is larger than a dimension in the thickness direction of the receiving hole.

[0018] This design prevents the body from being inserted into the receiving hole when a load is applied laterally to the first belt receiving section. This prevents the support section that supports the first belt receiving section from bending in an unexpected direction, thus preventing damage to the belt connector.

[0019] In one embodiment of the invention, it is preferred that the receiving hole has a tapered shape in which a dimension in the thickness direction becomes smaller in a direction in which the first belt receiving section is displaced away from the second belt receiving section.

[0020] In this design, the space in the thickness direction between the receiving hole and the first engagement section (or the second engagement section) becomes smaller the further the first belt receiving section is displaced from the second belt receiving section, thus limiting rotation of the first belt receiving section. That is, the greater the load exerted by the first belt on the first belt receiving section, the more effectively the rotation of the first belt receiving section is limited. This makes it possible to prevent damage to the belt connector.

[0021] In one embodiment of the invention, it is preferred that the support section comprises: a first elastic piece connecting the first belt receiving section and the first side section; and a second elastic piece connecting the first belt receiving section and the second side section.

[0022] In such a design, the first belt receiving section can be displaced in the direction away from the second belt receiving section, while maintaining an appropriate balance of the first belt receiving section in the lateral direction.

[0023] In one embodiment of the invention, it is preferred that a space is delimited between the first elastic piece and the second elastic piece in the width direction.

[0024] With such a design, it is possible to reduce the deformation of the support section in a suitable manner when a torsional load is applied to the first belt receiving section.

[0025] In one embodiment of the invention, it is preferred that both the first elastic piece and the second elastic piece comprise: a first extension extending from one of the first side section and the second side section towards the other of the first side section and the second side section; and a second extension extending from one end of the first extension to the first belt receiving section, wherein a space is delimited between the first extension and the second extension.

[0026] In such a design, both the first boom and the second boom can deform elastically in a suitable manner depending on the strength of a load exerted by the first belt on the first belt receiving section.

[0027] In one embodiment of the invention, it is preferred that the second boom or a connecting section connecting the first boom and the second boom forms a projection that extends towards the first belt receiving section.

[0028] In this configuration, the deformation of the support section, caused by the displacement of the first belt receiving section away from the second belt receiving section, is divided into two phases: before and after the first belt receiving section comes into contact with the projections. Specifically, if the load exerted on the first belt receiving section is small, the first belt receiving section is displaced before it comes into contact with the projections, and the first extensions of the support section deform primarily elastically. If the load exerted on the first belt receiving section is large, the first belt receiving section is displaced while coming into contact with the projections, and both the first and second extensions deform elastically. Accordingly, the impact can be damped depending on the magnitude of the load exerted on the first belt receiving section.

[0029] In one embodiment of the invention, it is preferred that the first boom and the second boom are bent in such a way that they extend along each other.

[0030] This design prevents the first boom and the second boom from interfering with each other.

[0031] In one embodiment of the invention, it is preferred that the first boom has a larger width dimension than the second boom when viewed from at least one of the thickness direction or the connection direction.

[0032] With such a design, both the first boom and the second boom are more elastically deformable depending on the strength of the load exerted on the first belt mounting section. ABBREVIATION OF THE DRAWINGS Fig. Figure 1 is a perspective view of a belt connector according to a first embodiment. Fig. Figure 2 is a front view of the belt connector according to the first embodiment. Fig. Figure 3 is a side view of the belt connector according to the first embodiment. Fig. Figure 4 is a view of the belt connector according to the first embodiment from below. Fig. Figure 5 shows the operation of the belt connector according to the first embodiment. Fig. Figure 6 shows the operation of the belt connector according to the first embodiment. Fig. Figure 7 is a front view of a belt connector according to a second embodiment. Fig. Figure 8 is a side view of the belt connector according to the second embodiment. Fig. Figure 9 is a front view of a belt connector according to a third embodiment. Fig. Figure 10 is a side view of the belt connector according to the third embodiment. Fig. Figure 11 is a front view of a belt connector according to a fourth embodiment. Fig. Figure 12 is a front view of a belt connector according to a fifth embodiment. Fig. Figure 13 is a front view of a belt connector according to a sixth embodiment. Fig. Figure 14 is a front view of a belt connector according to a seventh embodiment. Fig. Figure 15 is a front view of a belt connector according to an eighth embodiment. DESCRIPTION OF THE FORM(S)

[0033] Several embodiments of the invention are described below with reference to the drawings. Note that in a second embodiment and thereafter for components that are constructed similarly to those of a first embodiment, the same reference numerals are used and their descriptions are omitted or simplified. First embodiment

[0034] The first embodiment of the invention is described with reference to Fig. 1 to 5 described.

[0035] A strap connector 1A of the exemplary embodiment connects a first strap 91 and a second strap 92 and thereby dampens the shock exerted on the strap connector 1A. The first strap 91 and the second strap 92 can each be any long object, and there are no special restrictions regarding the specific shape, material, and the like of the straps.

[0036] In the following, the thickness direction of the belt connector 1A is defined as the Z-direction; the connection direction in which the first belt 91 and the second belt 92 are connected by means of the belt connector 1A and which is perpendicular to the Z-direction is defined as the -Y-direction; and the width direction (left-right direction) of the belt connector 1A, which is perpendicular to the Y-direction and the Z-direction, is defined as the X-direction. In the connection direction in which the first belt 91 and the second belt 92 are connected by means of the belt connector 1A, one side is defined as the +Y-direction and the other side is defined as the -Y-direction. In the width direction of the belt connector 1A, one side is defined as the +X-direction and the other side is defined as the -X-direction.

[0037] As in Fig. 1 and Fig. As shown in Figure 2, the belt connector 1A comprises a frame 100A that defines an opening 101 penetrating in the Z-direction. The frame 100A is a single component from which the belt connector 1A is constructed and is formed in one piece from synthetic resin.

[0038] In particular, the frame 100A comprises a first belt receiving section 10, a second belt receiving section 20, a first side section 30A, a second side section 30B, and a support section 40. The first belt 91, passing through the opening 101, is looped around the first belt receiving section 10. The second belt receiving section 20 is arranged such that the opening 101 is inserted in the Y-direction between the second belt receiving section 20 and the first belt receiving section 10. The second belt 92, passing through the opening 101, is looped around the second belt receiving section 20. The first side section 30A and the second side section 30B are arranged such that the opening 101 is inserted between them in the X-direction. The support section 40 is connected to the first side section 30A and the second side section 30B to support the first belt receiving section 10.

[0039] The components encompassed by the frame 100A, in particular the first belt receiving section 10, the second belt receiving section 20, the first side section 30A, the second side section 30B and the support section 40, are arranged in the same imaginary plane perpendicular to the Z direction.

[0040] The belt connector 1A in the exemplary embodiment has a shape that is symmetrical with respect to an imaginary line L passing through the center of the belt connector 1A in the -X direction when viewed from the Z direction. One of two symmetrical embodiments is described in detail below, and the detailed description of the other is omitted or simplified where appropriate, using the same reference numerals.

[0041] The first belt receptacle 10 is located on the -Y side of the second belt receptacle 20. The first belt receptacle 10 extends in the -Y direction between the first side section 30A and the second side section 30B. In particular, the first belt receptacle 10 comprises a body 11, a first engagement section 12A, and a second engagement section 12B. The first belt 91 is looped around the body 11. The first engagement section 12A projects from a +X-side end of the body 11 to engage in the first side section 30A in the Z direction. The second engagement section 12B projects from a -X-side end of the body 11 to engage in the second side section 30B in the Z direction.

[0042] The body 11 is a section around which the first strap 91 is looped, and the shape of the body 11 is not particularly restricted as long as the first strap 91 can be looped around it. In the exemplary embodiment, the body 11 has the shape of a plate with a thickness that is less than that of the first side section 30A and the second side section 30B.

[0043] The first engagement section 12A has the form of a projection extending from the +X-side end of the body 11. The first engagement section 12A is received in a receiving hole 33 of the first side section 30A, which will be described later. The first engagement section 12A is able to engage in the Z-direction with the first side section 30A by abutting an inner surface of the receiving hole 33.

[0044] The second engagement section 12B has the form of a projection extending from the -X-side end of the body 11. The second engagement section 12B is received in a receiving hole 33 of the second side section 30B, which will be described later. The second engagement section 12B is able to engage in the second side section 30B in the Z-direction by abutting an inner surface of the receiving hole 33.

[0045] The second belt receiving section 20 extends in the +Y direction to connect a +Y-side end 31 of the first side section 30A and a +Y-side end 31 of the second side section 30B. The shape of the second belt receiving section 20 is not particularly restricted as long as the second belt 92 can be looped around it. In the exemplary embodiment, the second belt receiving section 20 has the shape of a plate with a thickness that is less than that of the first side section 30A and the second side section 30B.

[0046] The first side section 30A and the second side section 30B are arranged in the X direction, with the opening 101 inserted between them. Both the first side section 30A and the second side section 30B have the shape of a substantially rectangular plate and are arranged along a YZ plane. Furthermore, both the first side section 30A and the second side section 30B have a receiving hole 33 penetrating in the X direction. Each receiving hole 33 has, as part of its inner surface, an abutment surface 34 facing the +Y side.

[0047] With reference to Fig. 3. Details of the first engagement section 12A of the first belt receiving section 10 and the receiving hole 33 of the first side section 30A are now described.

[0048] The receiving hole 33 of the first side section 30A receives the first engagement section 12A. The first engagement section 12A can be brought into engagement with the inner surface of the receiving hole 33 in the Z direction.

[0049] A dimension W1 of the receiving hole 33 in the Z-direction is larger than a dimension W2 of the first engagement section 12A, which serves as a counterpart to the engagement. Thus, a space remains between the receiving hole 33 and the first engagement section 12A. Within the receiving hole 33, the first engagement section 12A is slightly movable in the Z-direction. The dimension W1 of the receiving hole 33 in the Z-direction is smaller than a dimension W3 of the body 11 of the first belt receiving section 10 in the Z-direction. Therefore, if a load is applied to the first belt receiving section 10 in the -X-direction, the body 11 abuts a surface of the first side section 30A and is not inserted into the receiving hole 33.

[0050] A dimension D1 of the receiving hole 33 in the Y-direction is larger than a dimension D2 of the first engagement section 12A, which serves as the engagement counterpart, in the Y-direction. In particular, if the first belt receiving section 10 is not subjected to a sudden load, the first engagement section 12A is located near a +Y side of the receiving hole 33, as shown by the solid line in Fig. Figure 3 shows that a space is delimited between the first engagement section 12A and the impact surface 34. The first belt receptacle section 10 is thus displaceable in the -Y direction. In this state, a dimension D3 of the space between the first engagement section 12A and the impact surface 34 in the Y direction can be larger or smaller than the dimension D2 of the first engagement section 12A in the Y direction. As shown by the dashed line in Fig. As shown in Figure 3, the first engagement section 12A, in a state in which it is displaced furthest towards the -Y side, can collide with the impact surface 34 of the receiving hole 33.

[0051] The above description applies similarly to the second engagement section 12B of the first belt receiving section 10 and the receiving hole 33 of the second side section 30B.

[0052] With further reference to Fig. 1 and Fig. 2. The support section 40 is arranged within an arrangement area of ​​the first side section 30A and the second side section 30 in the Z-direction and is located between the first side section 30A and the second side section 30 on one side opposite the opening 101 with respect to the first belt receiving section 10. The support section 40 is connected to the first side section 30A and the second side section 30B to support the first belt receiving section 10. The support section 40 deforms elastically when the first belt receiving section 10 receives a load from the first belt 91 in the -Y-direction, thereby displacing the first belt receiving section 10 in the -Y-direction. In particular, the support section 40 comprises a first elastic section 41A and a second elastic section 41B. The first elastic piece 41A connects one end of the body 11 of the first belt receiving section 10 with the first side section 30A.The second elastic piece 41B connects the other end of the body 11 of the first belt receiving section 10 with the second side section 30B. A space 410 is delimited in the width direction between the first elastic piece 41A and the second elastic piece 41B.

[0053] The first elastic piece 41A will now be described in detail.

[0054] The first elastic section 41A comprises a first extension 411 and a second extension 412. The first extension 411 extends from a -Y-side end 32 of the first side section 30A toward the second side section 30B. The second extension 412 extends from an end of the first extension 411 to the first belt receiving section 10, with a space between the second extension 412 and the first extension 411. The first extension 411 and the second extension 412 are curved so that they extend alongside each other. Both the first extension 411 and the second extension 412 extend toward the center in the X-direction and are curved so that they approach the first belt receiving section 10. A connecting section that connects the first boom 411 and the second boom 412 forms a projection 413 that extends towards the first belt receiving section 10.

[0055] When the first elastic section 41A is viewed from the Z-direction, the width of the first boom 411 decreases perpendicular to its direction of extension from the first side section 30A towards the second boom 412. When the first elastic section 41A is viewed from the Z-direction, the width of the second boom 412 perpendicular to its direction of extension is smaller than the width of the first elastic section 41A.

[0056] When the first elastic piece 41A is viewed from the Y-direction, as in Fig. As shown in Figure 4, the width of the first boom 411 decreases perpendicular to its direction of extension from the first side section 30A towards the second boom 412. In particular, the width T1 of an end 414 on the side of the center in the X-direction of the first elastic section 41A is smaller than the width T2 of an end 415 on the outside in the X-direction of the first elastic section 41A. When the first elastic section 41A is viewed from the Y-direction, the width of the second boom 412 perpendicular to its direction of extension is smaller than the width of the first elastic section 41A.

[0057] The above description also applies to the second elastic piece 41B, which, like the first elastic piece 41A, includes the first boom 411 and the second boom 412.

[0058] The following describes the operation of the belt connector 1A of the exemplary embodiment with reference to Fig. 2, Fig. 5 and Fig. 6. Here, the first strap 91 and the second strap 92, which are connected by means of the strap connector 1A, are used as shoulder straps for a bag such as a backpack. In such an application example, the strap connector 1A, when a sudden load is exerted on it in the Y-direction, such as when the backpack is lifted by a user or when vibrations are generated in the backpack due to the user's movement, acts in such a way that it dampens the shock caused by the load.

[0059] In particular, the first belt receiving section 10 is pulled by the first belt 91 to the -Y side when a load in the Y direction is applied to the belt connector 1A, as in Fig. Figure 2 shows that the second outriggers 412 of the first elastic section 41A and the second elastic section 41B thus absorb a load from the first belt receiving section 10 and deform elastically to approach the first outriggers 411. This causes the first belt receiving section 10 to displace in a direction away from the second belt receiving section 20 (-Y direction), as shown in Figure 2. Fig. 5 shown. As a result, the space between the second belt receiving section 20 and the first belt receiving section 10 (i.e., the width of the opening 101 in the Y direction) temporarily expands, thereby damping the shock caused by the load.

[0060] If the load exerted on the belt connector 1A in the Y-direction is particularly large, the first belt receiving section 10 is pulled out of the first belt 91 by the in Fig. The first belt receiving section 10 is pulled further towards the -Y side, as shown in Figure 5. The first belt receiving section 10 thus comes into contact with the projections 413 of the first elastic piece 41A and the second elastic piece 41B. This causes the first outriggers 411 and the second outriggers 412 to absorb a load from the first belt receiving section 10 via the projections 413, thereby reducing the curvature of each outrigger and causing the first outrigger 411 and the second outrigger 412 to deform elastically, thus reducing the space between them. The first belt receiving section 10 is then displaced in the -Y direction until both the first engagement section 12A and the second engagement section 12B abut the contact surface 34 of the receiving hole 33, as shown in Figure 5. Fig. Figure 6 shows that, as a result, the space between the second belt receiving section 20 and the first belt receiving section 10 (i.e., the width of the opening 101 in the Y direction) expands even further, thus damping the shock caused by a large load.

[0061] When a sudden load is removed from the belt connector 1A, the support section 40 returns to its original shape, and the first belt receiving section 10 is displaced in the +Y direction and returns to its original position.

[0062] In a state in which a user wearing a backpack is at rest, a load due to the weight of the backpack or the like is continuously exerted on the strap connector 1A, so that the first strap receiving section 10 may be displaced somewhat in the -Y direction into a state before it abuts the respective projections 413 of the support section 40. Effects of the first embodiment

[0063] As described above, the belt connector 1A of the exemplary embodiment is designed to encompass the frame 100A, which can be formed in one piece. When a sudden load is applied to the belt connector 1A, at least a portion of the support section 40 deforms elastically, thereby widening the opening 101 between the second belt receiving section 20 and the first belt receiving section 10. This allows the belt connector 1A to dampen the shock caused by the sudden load. According to the exemplary embodiment, a belt connector 1A is therefore provided that has a shock-absorbing function and is constructed from a single component.

[0064] In this embodiment, the support section 40 is arranged within the arrangement area of ​​the first side section 30A and the second side section 30B in the Z-direction and is located between the first side section 30A and the second side section 30B on one side opposite the opening 101 with respect to the first belt receiving section 10. The support section 40 is thus covered by the first belt 91, which is looped around the first belt receiving section 10, thereby improving the appearance of the belt connector 1A. Since the support section 40 does not extend beyond the arrangement areas of the first side section 30A and the second side section 30B in the X- and Z-directions, the belt connector 1A can be designed compactly. Therefore, a user operating the belt connector 1A is not injured by the support section 40, which could otherwise come into contact with the user's body.

[0065] In this embodiment, the first belt receiving section 10 comprises the body 11 around which the first belt is looped, the first engagement section 12A, which can engage with the first side section 30A in the Z-direction, and the second engagement section 12B, which can engage with the second side section 30B in the Z-direction. In this configuration, the first belt receiving section 10 engages with both the first side section 30A and the second side section 30B when a torsional load is exerted on the first belt receiving section 10 by the first belt 91 (e.g., when a load is exerted towards the +Z-side on one end of the first belt receiving section 10 and a load is exerted towards the -Z-side on the other end of the first belt receiving section 10).This prevents excessive deformation of the support section 40, which supports the first belt receiving section 10, and thus prevents damage to the belt connector 1A.

[0066] In this embodiment, both the first side section 30A and the second side section 30B have the receiving hole 33, which receives the engagement counterpart (the first engagement section 12A or the second engagement section 12B), so that both the first engagement section 12A and the second engagement section 12B are movable in the +Y direction. Thus, the first belt receiving section 10 can be displaced in the Y direction, and the first belt receiving section 10 can engage in both the first side section 30A and the second side section 30B.

[0067] In this embodiment, when the first belt receiving section 10 is in an unloaded state, the dimension D3 of the space between the first engagement section 12A and the impact surface 34 in the Y-direction can be larger than the dimension D2 of the first engagement section 12A in the Y-direction. With this configuration, the first belt receiving section 10 can be displaced over a large area. Alternatively, the dimension D3 of the space between the first engagement section 12A and the impact surface 34 in the Y-direction can be smaller than the dimension D2 of the first engagement section 12A in the Y-direction. With this configuration, it is possible to prevent the body 11 from slipping out of the receiving hole 33, even if it is inserted into the receiving hole 33 in a tilted state due to an external force.

[0068] In this embodiment, a space is delineated in the Z-direction between the receiving hole 33 and the first engagement section 12A, which serves as the engagement counterpart, and a space is delineated in the Z-direction between the receiving hole 33 and the second engagement section 12B, which serves as the engagement counterpart, thereby allowing a slight rotation of the first belt receiving section 10. This prevents damage to the belt connector 1A.

[0069] In this embodiment, the dimension W3 of the body 11 of the first belt receiving section 10 in the Z-direction is larger than the dimension W1 of the receiving hole 33. Therefore, when a load is exerted in the X-direction by the first belt 91 on the first belt receiving section 10, the body 11 is prevented from being inserted into the receiving hole 33. This prevents the support section 40, which supports the first belt receiving section 10, from bending in an unexpected direction, thus preventing damage to the belt connector 1A.

[0070] In the exemplary embodiment, the support section 40 comprises the first elastic piece 41A and the second elastic piece 41B. The first belt receiving section 10 can thus be displaced in one direction away from the second belt receiving section 20, while maintaining a suitable equilibrium of the first belt receiving section 10 in the -X direction.

[0071] In this embodiment, the space 410 between the first elastic section 41A and the second elastic section 41B is delimited in the lateral direction. This makes it possible to appropriately reduce the deformation of the support section 40, which can occur when a torsional load is exerted on the first belt receiving section 10.

[0072] In the exemplary embodiment, the first elastic piece 41A and the second elastic piece 41B each comprise the first boom 411 and the second boom 412, respectively. This enables suitable elastic deformation depending on the magnitude of the load exerted by the first belt 91 on the first belt receiving section 10.

[0073] In this embodiment, the connecting section that joins the first boom 411 and the second boom 412 forms the projection 413, which extends towards the first belt receiving section 10. In this configuration, as described above, the deformation of the support section 40 caused by the displacement of the first belt receiving section 10 towards the -Y side is divided into two phases: before and after the first belt receiving section 10 comes into contact with the projections 413. In particular, if the load exerted on the first belt receiving section 10 is small, the first belt receiving section 10 is displaced into a phase before it comes into contact with the projections 413, and the first booms 411 of the support section 40 deform mainly elastically.If the load exerted on the first belt attachment section 10 is large, the first belt attachment section 10 is displaced as it comes into contact with the projections 413, and both the first extensions 411 and the second extensions 412 deform elastically. Accordingly, the impact can be dampened appropriately depending on the magnitude of the load exerted on the first belt attachment section 10.

[0074] In the exemplary embodiment, the first boom 411 and the second boom 412 are bent so that they extend along each other, thus preventing them from interfering with each other.

[0075] In this embodiment, the width of the first boom 411 is greater than that of the second boom 412, both when viewed in the Z-direction and when viewed in the Y-direction. This relationship of width dimensions allows the first boom 411 and the second boom 412 to deform elastically in a suitable manner depending on the magnitude of the load exerted on the first belt support section 10. Second embodiment

[0076] The second embodiment of the invention will now be described with reference to Fig. 7 and Fig. 8 described.

[0077] As in Fig. As shown in Figure 7, a belt connector 1B of the second embodiment is essentially designed in the same way as the belt connector 1A of the first embodiment. However, in a frame 100B encompassed by the belt connector 1B, the configurations of a first belt receiving section 10B and the like differ from those of the first embodiment.

[0078] The first belt receptacle section 10B comprises the body 11, a first engagement section 13A, and a second engagement section 13B. The first belt 91 is looped around the body 11. The first engagement section 13A projects from the +X-side end of the body 11 to engage in the first side section 30A in the Z-direction. The second engagement section 13B projects from the -X-side end of the body 11 to engage in the second side section 30B in the Z-direction.

[0079] As in Fig. As shown in Figure 8, the first side section 30A, instead of the receiving hole 33 of the first embodiment, comprises a pair of recesses 35 on opposite sides in the Z-direction. The first side section 30A includes a shaft 36 which is made thinner in the Z-direction by the pair of recesses 35. The first side section 30A has, as part of an inner surface of each recess 35, an abutment surface 37 facing the +Y-side. These descriptions apply similarly to the second side section 30B. The second side section 30B, like the first side section 30A, includes the shaft 36 and the abutment surface 37.

[0080] The first engagement section 13A of the first belt receptacle section 10B has a pair of projections 14 that extend from the +X-side end of the body 11 and are arranged such that the shaft 36 of the first side section 30A can be inserted between them. The pair of projections 14 can be engaged with the shaft 36 in the Z-direction.

[0081] A dimension D4 of the shaft 36 in the Y-direction is larger than a dimension D5 of the first engagement section 13A, which serves as the engagement counterpart, in the Y-direction. Specifically, when the first belt receiving section 10B is in an unloaded state, the first engagement section 13A is positioned near a +Y-side end of the shaft 36, thus defining a space between the first engagement section 13A and the impact surface 37. In this state, the first engagement section 13A is displaceable in the -Y-direction. In a state where the first engagement section 13A is displaced furthest in the -Y-direction, it can abut the impact surface 37. These descriptions apply similarly to the second engagement section 13B of the first belt receiving section 10B and the shaft 36 of the second side section 30B.

[0082] The strap connector 1B described above can function in the same way as the strap connector 1A of the first embodiment. That is, if the first strap 91 and the second strap 92, which are connected by means of the strap connector 1B, are used as shoulder straps for a backpack or the like, it is possible to dampen the shock caused by a sudden load exerted on the shoulder straps. Third example

[0083] A third embodiment of the invention is now described with reference to Fig. 9 and Fig. 10 described.

[0084] As in Fig. As shown in Figure 9, a belt connector 1C of the third embodiment is essentially designed in the same way as the belt connector 1A of the first embodiment. However, the configurations of a second belt receiving section 20C and the like differ from those of the first embodiment. That is to say, a frame 100C encompassed by the belt connector 1C further comprises the following: the second belt receiving section 20C, which is constructed similarly to the first belt receiving section 10 of the first embodiment, instead of the second belt receiving section 20 of the first embodiment; and a support section 50, which is connected to the first side section 30A and the second side section 30B and supports the second belt receiving section 20C.

[0085] In particular, the second belt attachment section 20C comprises a body 21, a first engagement section 22A, and a second engagement section 22B. The second belt is looped around the body 21. The first engagement section 22A projects from a +X-side end of the body 21 to engage in the first side section 30A in the Z-direction. The second engagement section 22B projects from a -X-side end of the body 21 to engage in the second side section 22B in the Z-direction.

[0086] The support section 50 is connected to the first side section 30A and the second side section 30B to support the second belt receiving section 20C. The support section 50 deforms elastically when the second belt receiving section 20C accepts a load in the +Y direction from the second belt 92, causing the second belt receiving section 20C to displace in the +Y direction.

[0087] In particular, support section 50, like support section 40, comprises a first elastic piece 51A and a second elastic piece 51B. The first elastic piece 51A connects the +X-side end of the body 21 of the second belt receiving section 20C to the first side section 30A. The second elastic piece 51B connects the -X-side end of the body 21 of the second belt receiving section 20C to the second side section 30B. Both the first elastic piece 51A and the second elastic piece 51B comprise a first extension 511 and a second extension 512, similar to the first elastic piece 41A and the second elastic piece 41B. A connecting section linking the first extension 511 and the second extension 512 forms a projection 513 that projects toward the second belt receiving section 20C.

[0088] The first side section 30A and the second side section 30B each include the receiving holes 33, which are provided as a pair to receive the first engagement section 12A and the second engagement section 12B of the first belt receiving section 10, and receiving holes 33, which are provided as another pair to receive the first engagement section 22A and the second engagement section 22B of the second belt receiving section 20C.

[0089] Here, the shape of each receiving hole 33 in the third embodiment differs slightly from that in the first embodiment. For example, as in Fig. As shown in Figure 10, each receiving hole 33 in the first side section 30A has a receiving area 33A in which the first engagement section 12A (or the first engagement section 22A) is received in an unloaded state, and a tapered area 33B whose dimension in the Z-direction decreases outwards from the receiving area in the Y-direction. A dimension W11 of the receiving area 33A in the Z-direction is essentially equal to the dimension W2 of the first engagement section 12A (or the second engagement section 12B) in the Z-direction. A dimension W12 of the contact surface 34 of the receiving hole 33 in the Z-direction is smaller than the dimension W11 of the receiving area 33A in the Z-direction.

[0090] Although Fig. Figure 10 shows the receiving holes 33 in the first side section 30A, the receiving holes 33 in the second side section 30B have a similar shape.

[0091] The following describes the operation of the belt connector 1C of the third embodiment.

[0092] If the first strap 91 and the second strap 92, which are connected by means of the strap connector 1C, are used as shoulder straps for a backpack or the like, a large load may be temporarily exerted on the strap connector 1C, similar to the first embodiment. In this case, the first strap receiving section 10 is pulled by the first strap 91 to the -Y side, and the second strap receiving section 20C is pulled by the second strap 92 to the +Y side. Thus, the first strap receiving section 10 and the support section 40 operate in the same way as in the first embodiment, while the second strap receiving section 20C and the support section 50 operate in a manner that is the reverse of the operation of the first strap receiving section 10 and the support section 40 in the Y direction. Consequently, the space between the first strap receiving section 10 and the second strap receiving section 20C (i.e.,, the width of the opening 101 in the Y-direction) is wider than in the first embodiment. This adequately dampens the shock caused by a sudden load exerted on the shoulder straps.

[0093] In the third embodiment, the receiving hole 33 has a tapered section 33B with a tapered shape, where the dimension in the Z-direction decreases outwards in the -Y-direction. In this design, the space in the Z-direction between the receiving hole 33 and the first engagement section 12A (or the second engagement section 12B) becomes smaller the further the first belt receiving section 10 is displaced in one direction away from the second belt receiving section 20C, thereby limiting rotation of the first belt receiving section 10. That is, the greater the load exerted by the first belt 91 on the first belt receiving section 10, the more its rotation is limited. Rotation of the second belt receiving section 20C is similarly limited. This effectively prevents damage to the belt connector 1C. Fourth embodiment

[0094] With reference to Fig. Section 11 below describes a fourth embodiment of the invention.

[0095] As in Fig. As shown in Figure 11, a belt connector 1D of the fourth embodiment is constructed such that it comprises two pairs of belt connectors 1A of the first embodiment, which are connected to each other in a reversed arrangement in the Y-direction. For clarification, an embodiment corresponding to one of the belt connectors 1A is designated as the first unit 200, and an embodiment corresponding to the other belt connector 1A is designated as the second unit 300. The first unit 200 and the second unit 300 are formed integrally as a frame 100D.

[0096] The belt connector 1D comprises the first belt receiving section 10 of the first unit 200 as a first belt receiving section of the invention and the first belt receiving section 10 of the second unit 300 as a second belt receiving section of the invention. That is, in the belt connector 1D, the first belt 91 is looped around the first belt receiving section 10 of the first unit 200, and the second belt 92 is looped around the first belt receiving section 10 of the second unit 300. Hereinafter, the first belt receiving section 10 of the first unit 200 may be referred to as the first belt receiving section 201, and the first belt receiving section 10 of the second unit 300 may be referred to as the second belt receiving section 301.

[0097] The frame 100D encompassed by the belt connector 1D comprises, as a first side section of the invention, the first side section 30A of the first unit 200, the first side section 30A of the second unit 300, and a connecting section 102A that connects these first side sections 30A to one another. Similarly, the belt connector 1D comprises, as a second side section of the invention, the second side section 30B of the first unit 200, the second side section 30B of the second unit 300, and a connecting section 102B that connects these second side sections 30B to one another. This frame 100D defines the opening 101 between the first belt receiving section 10 of the first unit 200 and the first belt receiving section 10 of the second unit 300.

[0098] Both the first unit 200 and the second unit 300 are designed such that the direction of elastic deformation due to a load in the -Y direction is reversed compared to the belt connector 1A of the first embodiment. For this reason, the positional relationship in the Y direction between the contact surface 34 of the receiving hole 33 and the first engagement section 12A (or the second engagement section 12B) is opposite to that in the first embodiment.

[0099] The following describes the operation of the belt connector 1D of the fourth embodiment.

[0100] This means that if the first strap 91 and the second strap 92, which are connected by means of the strap connector 1D, are used as shoulder straps for a backpack or the like, a large load may be temporarily exerted on the strap connector 1D, similar to the first embodiment. In this case, the first strap attachment section 201 is pulled by the first strap 91 to the -Y side, and the second strap attachment section 301 is pulled by the second strap 92 to the +Y side.

[0101] In the first unit 200, the second extensions 412 of the first elastic section 41A and the second elastic section 41B absorb a tensile force from the first belt receiving section 201 and deform elastically to move away from the first extensions 411. This causes the first belt receiving section 201 to be displaced in one direction away from the second belt receiving section 301.

[0102] Similarly, in the second unit 300, the second extensions 412 of the first elastic section 41A and the second elastic section 41B absorb a tensile force from the second belt receiving section 301 and deform elastically to move away from the first extensions 411. This causes the second belt receiving section 301 to be displaced in one direction away from the first belt receiving section 201 of the first unit 200.

[0103] As a result, a space expands between the first belt receiving section 201 and the second belt receiving section 301 (i.e., the width of the opening 101 in the -Y direction).

[0104] The operating principle of the 1D strap connector described above can adequately dampen the shock caused by a load exerted on the shoulder straps. Fifth embodiment

[0105] With reference to Fig. 12 below describes a fifth embodiment of the invention.

[0106] As in Fig. As shown in Figure 12, a belt connector 1E of the fifth embodiment is essentially designed in the same way as the belt connector 1A of the first embodiment, however, the shape of a support section 40E of a frame 100E encompassed by the belt connector 1E differs slightly from that of the first embodiment.

[0107] Similar to the support section 40 of the first embodiment, the support section 40E comprises the first elastic piece 41A and the second elastic piece 41B, and both the first elastic piece 41A and the second elastic piece 41B comprise the first boom 411 and the second boom 412.

[0108] The shape of the first boom 411 of the fifth embodiment is similar to that of the first embodiment; however, the shape of the second boom 412 of the fifth embodiment differs from that of the first embodiment and has a section that is convexly curved towards the first belt receiving section 10. That is, in the fifth embodiment, the connecting section that joins the first boom 411 and the second boom 412 is not provided, but the second boom 412 has a projection 412E that is convexly curved towards the first belt receiving section 10.

[0109] The belt connector 1E described above in the fifth embodiment can operate in the same way as the belt connector 1A of the first embodiment. In particular, when a load is exerted on the belt connector 1E by the second belt 92, the first belt receiving section 10 is displaced in the -Y direction, which is accompanied by an elastic deformation of the second arms 412 of the support section 40E, and the first belt receiving section 10 abuts the projections 412E of the second arms 412. If the load exerted on the belt connector 1E by the second belt 92 is particularly large, the first arms 411 and the second arms 412 absorb the load absorbed by the first belt receiving section 10 via the projections 412E, deform elastically so that their respective curvatures become smaller, and the first belt receiving section 10 is displaced further in the -Y direction.Therefore, if the first strap 91 and the second strap 92, which are connected by means of the strap connector 1E, are used as shoulder straps for a backpack or the like, it is possible to dampen the shock caused by a sudden load exerted on the shoulder straps. Sixth embodiment

[0110] With reference to Fig. Section 13 below describes a sixth embodiment of the invention.

[0111] As in Fig. As shown in Figure 13, a belt connector 1F of the sixth embodiment is essentially designed in the same way as the belt connector 1A of the first embodiment, but the shape of a support section 40F of a frame 100F encompassed by the belt connector 1F differs from that of the first embodiment.

[0112] The support section 40F comprises a connecting section 42 that joins the first side section 30A and the second side section 30B on the -Y side of the first belt receiving section 10, a first elastic piece 43A extending from a +X-side end of the connecting section 42 to the first belt receiving section 10, and a second elastic piece 43B extending from a -X-side end of the connecting section 42 to the first belt receiving section 10. The shapes of the first elastic piece 43A and the second elastic piece 43B are not particularly restricted; however, both the first elastic piece 43A and the second elastic piece 43B preferably have several curved sections. The first belt receiving section 10 is connected to the first side section 30A and the second side section 30B via the support section 40F.

[0113] In the sixth embodiment described above, when a load is exerted on the strap connector 1F by the second strap 92, the first strap attachment section 10 is displaced towards the -Y side, which is accompanied by elastic deformation of both the first elastic section 43A and the second elastic section 43B. Therefore, if the first strap 91 and the second strap 92, which are connected by the strap connector 1F, are used as shoulder straps for a backpack or the like, it is possible to dampen the shock caused by a sudden load exerted on the shoulder straps. Seventh embodiment

[0114] With reference to Fig. Section 14 below describes a seventh embodiment of the invention.

[0115] As in Fig. As shown in Figure 14, a belt connector 1G of the seventh embodiment comprises a frame 100G that defines the opening 101 penetrating in the Z-direction. The frame 100G includes a first belt receiving section 10G, a second belt receiving section 20, a first side section 30A, a second side section 30B, and a support section 40G. The first belt 91, which passes through the opening 101, is looped around the first belt receiving section 10G. The second belt receiving section 20 is arranged such that the opening 101 is inserted in the Y-direction between the second belt receiving section 20 and the first belt receiving section 10G. The second belt 92, which passes through the opening 101, is looped around the second belt receiving section 20. The first side section 30A and the second side section 30B are arranged such that the opening 101 is inserted between them in the X direction.The support section 40G is connected to the first side section 30A to support the first belt receiving section 10G.

[0116] The first belt receiving section 10G is in a free state, in which it does not engage with the first side section 30A and the second side section 30B, and is supported by the support section 40G. The shape of the support section 40G is not particularly restricted; however, the support section 40G preferably has a hole 44 penetrating in the Z-direction.

[0117] The belt connector 1G comprises a connecting section 103, which connects the first side section 30A and the second side section 30B on the -Y side of the first belt receiving section 10G, and an additional elastic section 104, which connects the second side section 30B and the connecting section 103. The additional elastic section 104 defines a space between the second side section 30B and the connecting section 103. When the first belt receiving section 10G, which is displaced in the -Y direction, presses on the additional elastic section 104, the additional elastic section 104 can deform elastically.

[0118] In the seventh embodiment described above, when a load is exerted on the strap connector 1G by the second strap 92, the first strap receiving section 10G is displaced in the -Y direction, which is accompanied by elastic deformation of both the support section 40G and the additional elastic section 104. Therefore, if the first strap 91 and the second strap 92, which are connected by means of the strap connector 1G, are used as shoulder straps for a backpack or the like, it is possible to dampen the shock caused by a load exerted on the shoulder straps. Eighth example

[0119] With reference to Fig. Section 15 now describes an eighth embodiment of the invention.

[0120] As in Fig.As shown in Figure 15, a belt connector 1H of the eighth embodiment comprises a frame 100H that defines the opening 101 penetrating in the Z-direction. The frame 100H includes a first belt receiving section 10H, the second belt receiving section 20, the first side section 30A, the second side section 30B, and a support section 40H. The first belt 91, which passes through the opening 101, is looped around the first belt receiving section 10H. The second belt receiving section 20 is arranged such that the opening 101 is inserted in the Y-direction between the second belt receiving section 20 and the first belt receiving section 10H. The second belt 92, which passes through the opening 101, is looped around the second belt receiving section 20. The first side section 30A and the second side section 30B are arranged such that the opening 101 is inserted between them in the X direction.The support section 40H is connected to the first side section 30A and the second side section 30B to support the first belt receiving section 10H.

[0121] The first belt receptacle section 10H comprises a first piece 15A extending from the first side section 30A towards the center in the X direction, and a second piece 15B extending from the second side section 30B towards the center in the X direction. One end of the first piece 15A is opposite one end of the second piece 15B, with a space in the X direction between them.

[0122] The support section 40H comprises a connecting section 45 that joins the first side section 30A and the second side section 30B on the -Y side of the first belt receiving section 10H, a first elastic piece 46A extending from the +X-side end of the connecting section 45 to the end of the first piece 10H, and a second elastic piece 46B extending from the -X-side end of the connecting section 45 to the end of the second piece 46B. The shapes of the first elastic piece 46A and the second elastic piece 46B are not particularly restricted; however, both the first elastic piece 46A and the second elastic piece 46B preferably have a plurality of curved sections. The first belt receiving section 10H is connected to the first side section 30A and the second side section 30B via the support section 40H.

[0123] Furthermore, the belt connector 1H includes an additional elastic section 105, which is provided for the connecting section 45, such that it is arranged between the connecting section 45 and the first and second pieces 15A, 15B. The additional elastic section 105 has a hole penetrating in the Z-direction. When the first belt receiving section 10H, which is displaced in the -Y-direction, presses on the additional elastic section 105, the additional elastic section 105 can deform elastically.

[0124] In the eighth embodiment described above, both the first strap attachment section 10H and the support section 40H deform elastically when a load is exerted on the strap connector 1H by the second strap 92, causing the first strap attachment section 10H to shift towards the -Y side. Therefore, if the first strap 91 and the second strap 92, which are connected by the strap connector 1E, are used as shoulder straps for a backpack or the like, it is possible to dampen the shock caused by a load exerted on the shoulder straps. Modifications

[0125] In the above embodiments one to eight, examples were given in which the first strap 91 and the second strap 92, which are connected by the strap connectors 1A to 1H, are used as shoulder straps of a bag such as a backpack. However, the invention is not limited to this and is applicable to any type of strap.

[0126] In embodiments one to eight, the preferred dimensions and shapes of the components are described. However, the invention is not limited thereto and can be modified as required. The various components in the embodiments described above can optionally be combined. REFERENCE MARK LIST

[0127] 1A-1H...belt connector, 100A-100H...frame, 101...opening, 10, 10B, 10G, 10H...first belt receptacle section, 11...body, 12A, 13A, 22A...first engagement section, 12B, 13B, 22B...second engagement section, 14...projection, 20, 20C...second belt receptacle section, 21...body, 30A...first side section, 30B...second side section, 33...receptacle hole, 34, 37...impact surface, 35...recess, 36...shaft, 40, 40E, 40F, 40G, 40H...support section, 410...space, 411...first boom, 412...second boom 412E, 413...projection, 41A, 43A, 46A...first elastic section, 41B, 43B, 46B...second elastic section, 50...support section, 511...first boom, 512...second boom, 513...projection, 51A...first elastic section, 51B...second elastic section, 91...first chord, 92...second chord. QUOTES INCLUDED IN THE DESCRIPTION

[0000] This list of documents cited by the applicant was automatically generated and is included solely for the reader's convenience. The list is not part of the German patent or utility model application. The DPMA accepts no liability for any errors or omissions. Cited patent literature

[0000] US 10,842,233

[0003]

Claims

[1] Belt connector comprising a frame (100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H) which defines an opening (101) penetrating in one thickness direction, the frame (100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H) has the following features: a first belt receiving section (10, 10B, 10G, 10H, 201) around which a first belt (91) is looped, passing through the opening (101); a second belt receiving section (20, 20C, 301) arranged such that the opening (101) is inserted in a connecting direction perpendicular to the thickness direction between the second belt receiving section (20, 20C, 301) and the first belt receiving section (10, 10B, 10G, 10H, 201), wherein a second belt (92) passing through the opening (101) is looped around the second belt receiving section (20, 20C, 301); a first side section (30A) and a second side section (30B) arranged such that the opening (101) is inserted in a width direction perpendicular to the thickness direction and to the connection direction between them; and a support section (40, 40E, 40F, 40G, 40H) which is connected to at least one of the first side section (30A) or the second side section (30B) and supports the first belt receiving section (10, 10B, 10G, 10H, 201), wherein at least a part of the support section (40, 40E, 40F, 40G, 40H) deforms elastically when the first belt receiving section (10, 10B, 10G, 10H, 201) receives a load from the first belt (91), causing the first belt receiving section (10, 10B, 10G, 10H, 201) to be displaced in one direction away from the second belt receiving section (20, 20C, 301). [2] Belt connector according to claim 1, wherein the support section (40, 40E, 40F, 40G, 40H) is arranged within an arrangement area in the thickness direction of the first side section (30A) and the second side section (30B) and is arranged between the first side section (30A) and the second side section (30B) on one side opposite the opening (101) with respect to the first belt receiving section (10, 10B, 10G, 10H, 201). [3] Belt connector according to claim 1 or 2, wherein the first belt receiving section (10, 10B, 201) comprises: a body (11) around which the first belt (91) is looped; a first engagement section (12A, 13A) projecting from a first end of the body (11) and constructed in such a way that it engages in the thickness direction into the first side section (30A); and a second engagement section (12B, 13B) projecting from a second end of the body (11) and constructed in such a way that it engages in the thickness direction into the second side section (30B). [4] Belt connector according to claim 3, wherein both the first side section (30A) and the second side section (30B) comprise a receiving hole (33) in which a corresponding first engagement section (12A) or second engagement section (12B), which serves as an engagement counterpart, is received in such a way that it is movable in the connection direction. [5] Belt connector according to claim 4, wherein in a state in which the first belt receiving section (10, 10B, 201) is displaceable in the direction away from the second belt receiving section (20, 20C, 301), a space is delimited in the thickness direction between the receiving hole (33) of the first side section (30A) and the first engagement section (12A), which serves as the engagement counterpart, and a space is delimited in the thickness direction between the receiving hole (33) of the second side section (30B) and the second engagement section (12B), which serves as the engagement counterpart. [6] Belt connector according to claim 4 or 5, wherein a dimension (W3) in the thickness direction of the body (11) of the first belt receiving section (10, 201) is larger than a dimension (W1) in the thickness direction of the receiving hole (33). [7] Belt connector according to one of claims 4 to 6, wherein the receiving hole (33) has a tapered shape in which a dimension in the thickness direction becomes smaller in a direction in which the first belt receiving section (10, 10B, 201) is displaced away from the second belt receiving section (20, 20C, 301). [8] Belt connector according to any one of claims 1 to 7, wherein the support section (40, 40E) comprises: a first elastic piece (41A) connecting the first belt receiving section (10, 10B, 201) and the first side section (30A); and a second elastic piece (41B) connecting the first belt receiving section (10, 10B, 201) and the second side section (30B). [9] Belt connector according to claim 8, wherein a space is delimited in the width direction between the first elastic piece (41A) and the second elastic piece (41B). [10] Belt connector according to claim 8 or 9, wherein both the first elastic piece (41A) and the second elastic piece (41B) comprise: a first extension (411) extending from one of the first side section (30A) and the second side section (30B) towards the other of the first side section (30A) and the second side section (30B); and a second extension (412) extending from one end of the first extension (411) to the first belt receiving section (10, 10B, 201), wherein a space is delimited between the first extension (411) and the second extension (412). [11] Belt connector according to claim 10, wherein the second boom (412) or a connecting section connecting the first boom (411) and the second boom (412) forms a projection (413) that extends towards the first belt receiving section (10, 10B, 201). [12] Belt connector according to claim 10 or 11, wherein the first boom (411) and the second boom (412) are bent such that they extend along each other. [13] Belt connector according to one of claims 10 to 12, wherein the first boom (411) has a larger width dimension than the second boom (412) when viewed from at least one of the thickness direction or the connection direction.

Citation Information

Patent Citations

  • Strength training with hand hold strap adjustment device

    US10842233B1

  • US-PATENTNR.10,842,233