Machine element or mechanism – Control lever and linkage systems – Variable output force
Patent
1980-12-03
1983-07-05
Dorner, Kenneth
Machine element or mechanism
Control lever and linkage systems
Variable output force
74540, G05G 104
Patent
active
043911595
ABSTRACT:
A device for pulling upon a parking brake actuating cable in response to movement of a pedal actuated lever in a selected path between a brake release first position and a brake engaging second position wherein the device comprises a motion translating element having first and second mechanical couplings spaced from each other for securing to the lever and to the actuation cable, respectively, mechanism for moving the first mechanical coupling in a selected first path by the pedal lever and a cam coacting with the motion translating element for causing the second mechanical coupling to move in a selected second path controlled jointly by movement of the first coupling and the cam. In this device, the motion translating element is a link and the cam includes a curvilinear surface on the link and a fixed rotary pin against which the cam surface is biased by the pulling force of the cable against the link so that the fulcrum formed by the pin and surface progressively changes as the pedal lever is depressed.
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Dorner Kenneth
Gulf & Western Manufacturing Company
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