Motor vehicle safety devices

Details Motor vehicle safety devices Motor vehicle safety devices

1974-02-15

1976-01-13

Wood, Jr., M. H.

Motor vehicles

Bodies

280150SB, 297388, 317141S, 2421074, B60R 2110

Patent

active

039318664

ABSTRACT:
A vehicle safety belt system includes a spring rewind belt retractor reel provided with a solenoid actuated brake and a network controlled by an inertia switch to brake the reel by the energization or deenergization of the solenoid and to maintain the reel in a braked condition an adjustable time interval following the deactuation of the inertia switch. The network includes a solid state Darlington switch having across its input a memory capacitor which is charged by the actuation of the inertia switch and a relay across its output which controls the brake solenoid.

REFERENCES:
patent: 2705529 (1955-04-01), Bull
patent: 2708966 (1955-05-01), Davis
patent: 2825581 (1958-03-01), Knight
patent: 3178136 (1965-04-01), Bayer
patent: 3450414 (1969-06-01), Kobori
patent: 3458772 (1969-07-01), Egart
patent: 3610361 (1971-10-01), Pringle
patent: 3825205 (1974-07-01), Takada

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