Seat belt retracting and winding device

Details Seat belt retracting and winding device Seat belt retracting and winding device

1987-07-24

1988-06-07

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074R, B60R 2244

Patent

active

047491418

ABSTRACT:
The invention relates to a device for automatically retracting and winding up a seat belt for use in a vehicle to protect the occupant and in particular the device controls the force for retracting or winding up the seat belt. The device includes a frame with a winding reel rotatably supported by the frame with spring means connecting the frame and winding reel. The winding reel is adapted to wind thereon a seat belt with a spring force of at least one main and auxiliary springs with a spur gear rotatably supported by the winding reel and operatively interposed between the main and auxiliary springs for changing the winding force and means for detecting a wound quantity of the seat belt.

REFERENCES:
patent: 4123013 (1978-10-01), Bottrill et al.
patent: 4215830 (1980-08-01), Cunningham
patent: 4382563 (1983-05-01), Morita et al.
patent: 4383658 (1983-05-01), Morita et al.

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