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Seat-belt tongue

A tongue and base technology, applied in clothing, fasteners, buckles, etc., can solve the problems of tongue miniaturization, lightweight constraints, excess strength design, etc., and achieve the effect of promoting miniaturization

Inactive Publication Date: 2019-05-14
JOYSON SAFETY SYST JAPAN KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the conventional tongue, the strength design for the external force received from the seat belt inserted through the insertion hole cannot be said to be optimal, and the strength design may be locally excessive.
Therefore, the size reduction and weight reduction of the tongue are restricted.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0045] refer to Figure 1 to Figure 8 , to describe the first embodiment.

[0046] figure 1 It is a diagram showing an example of the seat belt device 1 to which the tongue piece 7 of the first embodiment is applied. The seat belt device 1 includes a seat belt 4 , a retractor 3 , a shoulder anchor 6 , a tongue 7 , and a buckle 8 .

[0047] The seat belt 4 is an example of a belt for restraining an occupant seated on the seat 2 of the vehicle, and is a belt-shaped member wound around the retractor 3 so as to be drawn out. The belt anchor 5 at the front end of the seat belt 4 is fixed to the floor of the vehicle body or the seat 2 .

[0048] The retractor 3 is an example of a take-up device capable of winding or pulling out the seat belt 4, and when a deceleration equal to or greater than a predetermined value is applied to the vehicle, such as during a vehicle collision, the retractor 3 releases the seat belt 4 from the retractor. 3. Pull out the case to limit. The retract...

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PUM

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Abstract

The invention provdies a seat-belt tongue that can achieve size reduction. The seat-belt tongue (7) includes a plate (20) having a longitudinal portion (21) that is insertable into a buckle (8), and abroader portion (22) that is located on an opposite side of a tip end (24) of the longitudinal portion (21) and is formed wider than the longitudinal portion (21), wherein the broader portion (22) has a base (23) that is connected to the longitudinal portion (21), a beam (25) that extends in a long-side direction of the broader portion (22), a connecting portion (39) that connects the base (23) and the beam (25) at each end in the long-side direction, and a through hole (71) that is formed by the base (23), the beam (25), and the connecting portion (39) and through which a seat belt (4) is tobe inserted, and the beam (25) or the base (23) is formed such that a cross-sectional area of the beam (25) or the base (23) when viewed in the long-side direction becomes smaller at both ends than at a center in the long-side direction.

Description

technical field [0001] The present disclosure relates to tongues for seat belt assemblies. Background technique [0002] Conventionally, there has been a demand for downsizing tongues for seat belt devices. For example, the overall length of the tongue can be shortened by reducing the size of the insertion hole provided in the tongue through which the seat belt is inserted. [0003] However, when the seat belt is not worn, the seat belt is arranged on the side of the seat in a state extending downward from the upper shoulder anchor, for example. At this time, the tongue is in a state of being hung on the seat belt. When the insertion hole is small, the angle of inclination of the tongue with respect to the seat belt increases, and when the tongue is not worn, the protruding amount of the tongue from the seat belt increases, which may cause interference. [0004] To address such a problem, for example, Patent Document 1 discloses a structure in which the edge portion of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R22/18A44B11/25
CPCA44B11/2561B60R22/18B60R2022/1812A44B11/2553
Inventor 伊西穗高
Owner JOYSON SAFETY SYST JAPAN KK
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