Self-adjusting, push-to-release parking brake control

Details Self-adjusting, push-to-release parking brake control Self-adjusting, push-to-release parking brake control

1991-08-09

1993-06-08

Graham, Matthew C.

Brakes

Position adjusters

Supports

74535, B60G 506

Patent

active

052170942

ABSTRACT:
A parking brake control in which a spiral spring is loaded between a sector and a pedal and unwinds to take up slack in the cable of a vehicle parking brake and tension the cable when a locking pin is removed following installation of the control and connection of the cable to the sector. A pawl coacts with the same sector to hold the sector in its brake-applied position and to enable release of the brake by pushing on the pedal. A cam is carried by the pedal and acts against the cable to produce a mechanical advantage which progressively increases as the brake is progressively applied.

REFERENCES:
patent: 3875820 (1975-04-01), Morden
patent: 4570508 (1986-02-01), Nicholson et al.
patent: 4841798 (1989-06-01), Porter et al.
patent: 4872368 (1989-10-01), Porter

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