Door mounted seat belt retractor

Details Door mounted seat belt retractor Door mounted seat belt retractor

1981-06-15

1983-11-01

Bertsch, Richard A.

Land vehicles

Wheeled

Attachment

2421074A, 297478, B60R 2110

Patent

active

044126913

ABSTRACT:
A seat belt retractor adapted for mounting on a vehicle door includes an inertia sensing pendulum for moving the lock bar into engagement with a belt reel to lock the reel against belt unwinding rotation. A feeler device, such as a plunger, is mounted on the door for sensing initial movement of the door away from the closed position. A flexible element, such as a chain, is connected to the pendulum and the feeler device. The flexible element has a normal slackened link when the door is closed so that the pendulum is free for movement to move the lock bar to the reel engaging position. Upon initial door opening movement, the plunger extends and tensions the flexible element so that the flexible element restrains the pendulum against movement from the normal position by an inertia stimulus induced by door opening movement.

REFERENCES:
patent: 4040645 (1977-08-01), Giffen
patent: 4181326 (1980-01-01), Hollowell et al.
patent: 4244600 (1981-01-01), Takada
patent: 4264089 (1981-04-01), Maekawa

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