Parking brake mechanism for motor vehicle equipped with automati

Details Parking brake mechanism for motor vehicle equipped with automati Parking brake mechanism for motor vehicle equipped with automati

1977-04-04

1978-10-17

Halvosa, George E. A.

Brakes

Vehicle

Positive lock

74 99R, 74107, 74569, 74577S, 192 71, 192 93B, B60T 100

Patent

active

041203836

ABSTRACT:
A spring-loaded cam plate is pivotally mounted on an outer inclined surface of a brake pawl having at its inner surface a tooth, the cam plate being pivotable relative to the brake pawl along the outer inclined surface. A driver operable control rod is formed with a cut out portion forming an wedge surface including a large inclined first section near the bottom of the cut out portion and a small inclined second section. The first and second sections are selectively engageable with a free end of the cam plate upon axial movement of the control rod to urge the brake pawl to disengage from or engage with the parking gear.

REFERENCES:
patent: 2038983 (1936-04-01), Browne
patent: 3207267 (1965-09-01), Beuchle et al.
patent: 3900082 (1975-08-01), Sakamoto et al.
patent: 4031977 (1977-06-01), Grosseau

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