Safety devices for motor cars

Details Safety devices for motor cars Safety devices for motor cars

1974-07-10

1976-10-26

Wood, Jr., M. H.

Motor vehicles

Bodies

307 10SB, B60R 2110

Patent

active

039878643

ABSTRACT:
A safety device of a motor car comprises a neutral switch connected in the starting circuit of the engine and arranged to be closed when the speed change gear is in the neutral or parking position, a seat switch closed when the driver sits on the seat, a safety switch closed when the driver wears a safety belt, an interlocking controller responsive to the closure of said three switches for discriminating the sequence of operations thereof, and an interlocking relay connected in the ignition circuit of the engine and controlled by the interlocking controller whereby it is possible to start the engine when the speed change gear is maintained in its neutral or parking position and to operate the engine only when the seat switch and the safety switch are closed at a predetermined sequence while the speed change gear is in its drive position.

REFERENCES:
patent: 3718902 (1973-02-01), Pearsall
patent: 3740711 (1973-06-01), Bell
patent: 3742448 (1973-06-01), Motz
patent: 3757293 (1973-09-01), Petersen
patent: 3777180 (1973-12-01), Carlson
patent: 3831140 (1974-08-01), Anderson
patent: 3860904 (1975-01-01), Anderson

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