Variable ratio brake pedal lever assembly

Details Variable ratio brake pedal lever assembly Variable ratio brake pedal lever assembly

1976-03-11

1978-01-24

Scott, Samuel

Machine element or mechanism

Control lever and linkage systems

Variable output force

G05G 104

Patent

active

040697223

ABSTRACT:
A brake pedal lever assembly having a cam surface engaged by a cam follower on one end of a master cylinder push rod and so arranged that as the brake pedal lever is moved in the brake actuating direction a cam also on the pedal lever moves the push rod cam follower upwardly toward the brake pedal lever pivot point, increasing the brake pedal lever ratio. A modification has a jointed pedal lever which yieldably resists bending movement. When the bending movement does occur, the cam moves the push rod cam follower at a faster rate, increasing the pedal ratio at a faster rate.

REFERENCES:
patent: 1911223 (1933-05-01), D'Aleo
patent: 3316776 (1967-05-01), Schroter
patent: 3988945 (1976-11-01), Fasano

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