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Fastener of seat safety belt

A technology for fastening devices and seat belts, which can be used in belt fixing devices, car seat belts, belt tighteners, etc., and can solve problems such as injuries

Inactive Publication Date: 2004-09-22
TAKATA PETRI ULM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the seat belt cannot be extended, a considerable restraint force is applied to the vehicle occupant and serious injury may result

Method used

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  • Fastener of seat safety belt
  • Fastener of seat safety belt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] Embodiments of the present invention will be described below with reference to the drawings.

[0009] figure 1 A seat belt 5 is shown retracted onto the pivot shaft 10 of a "seat belt retractor" 15 . The shaft 10 is rotatably arranged about an axis 20 . On its outer edge, the spindle 10 has a pawl 30 which "unclamps" and comes into contact with the inner locking teeth 40 of the ratchet ring 50 when the spindle 10 is suddenly accelerated. The ratchet ring 15 is similarly rotatably arranged about the axis 20 ; however, rotation of the ratchet ring 50 only occurs when the pawl 30 is locked by the inner locking teeth 40 of the ratchet ring 50 .

[0010] The ratchet ring 50 has a storage box 70 on its outer edge 60 . exist figure 1 , it can be seen that two winding wires are wound around the wire storage box 70 of the ratchet ring 50 , which are the first winding wire 100 and the second winding wire 110 . In addition, each of the two winding wires 100 and 110 is wound a...

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PUM

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Abstract

A fastening device for a seat belt comprising at least one belt-force-limiting element which, in the event of an accident, limits the retaining force acting on a person protected by the seat belt by enabling the seat belt to yield to a predetermined extent. The belt-force-limiting element includes a wire-unwinding device from which at least one wire can be pulled out on exertion of a predetermined tensile force, and one end of the seat belt is connected indirectly or directly to the at least one wire in such a manner that the at least one wire is pulled out of the wire-unwinding device as soon as the retaining force exerted by the seat belt on the occupant reaches or exceeds the predetermined tensile force.

Description

technical field [0001] The invention relates to a fastening device for a seat belt. Background technique [0002] A fastening device for a seat belt of this type is disclosed in German patent specification DE 19780583 C1 (herein incorporated by reference). The existing fastening device is a seat belt retractor with a seat belt tension limiting component. Seat belt tension limiting components are formed in existing seat belt retractors in the form of torsion bars and torsion sleeves. Seat belt retractors operate as follows: If there is a vehicle accident, the vehicle occupant will "trap" into the seat belt due to its kinetic energy; pull. If the seat belt cannot be extended, a considerable restraint force is applied to the vehicle occupant and serious injury may result. In order to avoid this, existing belt retractors have torsion bars and torsion sleeves which, due to their twisting, unroll and thus lengthen the seat belt. Further deployment results in less restraint an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R22/44B60R22/28B60R22/34
CPCB60R2022/288B60R22/3413B60R2022/286
Inventor 奥利弗·格林卡
Owner TAKATA PETRI ULM