Movable pedal lever stop

Details Movable pedal lever stop Movable pedal lever stop

1990-05-23

1991-10-08

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Foot operated

74540, 74539, 74535, G05G 114

Patent

active

050543334

ABSTRACT:
A cable-operated park brake actuator for a vehicle park brake is shiftable between engaged and disengaged positions; it includes an operating cable for shifting the park brake between positions, and a cable acutating pedal lever located in the vehicle operator compartment for operating the cable to shift the park brake from disengaged to engaged position upon pedal lever movement from deactuated to actuated position. The park brake actuator is provided with means for positioning the pedal lever in deactuated position, characterized by a stop member located adjacent the pedal lever for engagement thereby in deactuated position. The stop member is mounted for movement between a shipping position, enabling movement of the pedal lever from an operational condition to a non-operational condition to create slack in the cable, and an operating position for engagement by the pedal lever in deactuated position. A spring biases the stop member to its operating position. In one embodiment, the biasing spring rotates the stop member from shipping position overcenter to an unbiased neutral operating position, and subsequent engagement by the pedal lever further rotates the stop member against the spring beyond neutral position to dampen pedal lever movement.

REFERENCES:
patent: 2872830 (1959-02-01), Hinsey
patent: 3602064 (1971-08-01), Francis
patent: 3625087 (1971-12-01), Flory et al.
patent: 3875820 (1975-04-01), Morden
patent: 4364284 (1982-12-01), Tani et al.
patent: 4441380 (1984-04-01), Kawaguchi et al.
patent: 4612823 (1986-09-01), De Leeuw
patent: 4841798 (1989-06-01), Porter

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