Automatic rewinding type safety belt retractors

Details Automatic rewinding type safety belt retractors Automatic rewinding type safety belt retractors

1988-04-05

1989-01-10

Rice, Kenneth R.

Land vehicles

Wheeled

Attachment

2421074A, 280807, B60R 2236, B60R 2240, B60R 2238

Patent

active

047969180

ABSTRACT:
In an automatic spring biassed seat belt retract for passenger seat belts in vehicle a winding reel (15) has a coil spring (17) which winds up as the belt webbing is pulled off the reel, the reel is mounted in a frame (1) with interval teeth (30,31) in apertures (34,35) on each side (22,23) of the frame and the reel assembly is rigidly rockable about a pivot axis (26-45) displaced from the reel periphery to achieve programmed synchronized meshing of teeth (20,21) of the reel with the teeth of the apertures to lock up the reel when excessive vehicle deceleration or excessive webbing pull-out acceleration is sensed by inertia sensing means and such synchronized movement being assured by the manner of the reel mounting on a U-shaped needle arrangement (14,26,31) in the frame.

REFERENCES:
patent: 4431145 (1984-02-01), Kassai
patent: 4470557 (1984-09-01), Ernst
patent: 4603819 (1986-08-01), Loose et al.
patent: 4667894 (1987-05-01), Izuchi et al.
patent: 4691875 (1987-09-01), Higbee

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