Variable ratio brake pedal

Details Variable ratio brake pedal Variable ratio brake pedal

1980-09-22

1983-06-07

Dorner, Kenneth

Machine element or mechanism

Control lever and linkage systems

Foot operated

74516, G05G 114

Patent

active

043865372

ABSTRACT:
A variable ratio brake pedal mechanism providing a relatively short pedal stroke. A projection on a pivoted pedal lever bears on a second oppositely pivoted lever, providing conjoint movement of the two levers. A push rod brake actuator is pivotally connected to the second lever. The push rod and a portion of the second lever jointly form a toggle linkage which decreases the ratio of movement of the brake actuator relative to the pedal lever, and increases the mechanical advantage, as brake application occurs.

REFERENCES:
patent: 1754354 (1930-04-01), Gans
patent: 2315632 (1943-04-01), Martindill
patent: 2884803 (1959-05-01), Willis
patent: 3142199 (1964-07-01), Burton et al.
patent: 3646831 (1972-03-01), Janosi
patent: 3678779 (1972-07-01), Janosi
patent: 3798995 (1974-03-01), Schroter
patent: 3810400 (1974-05-01), Schroter
patent: 3911760 (1975-10-01), Elbers et al.
patent: 3934490 (1976-01-01), Schroter
patent: 3988945 (1976-11-01), Fasana
patent: 4005617 (1977-02-01), Sourbei et al.
patent: 4069722 (1978-01-01), Derrick
patent: 4132127 (1979-01-01), Fulmer

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