Seat belt tensioning device

Details Seat belt tensioning device Seat belt tensioning device

1981-08-13

1984-01-24

Bertsch, Richard A.

Land vehicles

Wheeled

Attachment

2421074A, 297480, B60R 2110

Patent

active

044272162

ABSTRACT:
A seat belt tensioning device comprises a cylinder, a piston which is slidably inserted within the cylinder, a rod which connects the piston and the seat belt, a piston pushing means which is provided within the cylinder for applying driving force to the piston, a trigger means which comprises a plurality of rings and balls interposed between opposed rings and which is provided in the cylinder for usually locking the rod into the cylinder overcoming the driving force of the piston pushing means and releasing the rod from the cylinder to allow the movement of the piston only at an urgent time, and a driving means for driving the trigger means to release the rod from the cylinder at an urgent time.

REFERENCES:
patent: 3917031 (1975-11-01), Doin et al.
patent: 4328976 (1982-05-01), Tsuge et al.

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