Method and apparatus for automatically applying and releasing au

Details Method and apparatus for automatically applying and releasing au Method and apparatus for automatically applying and releasing au

1979-04-16

1981-08-04

Mitchell, David M.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

74512, 188106R, 192 4A, B60K 4126

Patent

active

042817366

ABSTRACT:
The specification discloses a novel method for automatically applying the parking brake of a vehicle when its transmission is placed in a first predetermined position, such as the park position for automatic transmission vehicles or in neutral for gearshift equipped vehicles. An apparatus, which either may be an integral part of the original equipment for newly manufactured cars, or a bolt-on after market device attached by suitable means to the parking brake assembly, moves the parking brake pedal arm in such assembly down to apply the brake. When the transmission lever is moved to a second predetermined position, such as the reverse or the neutral position, the lever arm which acted on the parking brake pedal arm to apply the device is released and the car is started, then the operator either manually releases the parking brake in the normal manner, or in cars equipped with an automatic parking brake release, the parking brake itself will be automatically released when the driver places his foot on the service brakes before shifting, allowing the car to be driven in the normal manner.

REFERENCES:
patent: 1876498 (1932-09-01), Hawkins
patent: 2821275 (1958-01-01), Martin
patent: 3116815 (1964-01-01), Chapman
patent: 3119477 (1964-01-01), Ryder
patent: 3593815 (1971-07-01), Inoue
patent: 3830328 (1974-08-01), Schafer et al.
patent: 3831698 (1974-08-01), Fontaine
patent: 3831703 (1974-08-01), Fontaine
patent: 3875820 (1975-04-01), Morden
patent: 3937295 (1976-02-01), Wright
patent: 4187935 (1980-02-01), O'Hern

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