Machine element or mechanism – Control lever and linkage systems – Foot operated
Patent
1982-09-16
1987-11-24
Smith, Gary L.
Machine element or mechanism
Control lever and linkage systems
Foot operated
74516, G05G 114
Patent
active
047080280
ABSTRACT:
An operating lever mechanism 10 for a hydraulic brake cylinder 28 includes a pedal 12 and a link 26 operable connected at one end to a hydraulic piston 29 and the cylinder 28 and at the other end to the pedal 12. Movement of the pedal 12 is transferred to the link 26 by means of a complementary abutment surface 22 on pedal 12 and abutment surface 34 on link 26. A shaft 36 extends from the end of the link 26 through an aperture 24 in the pedal by an amount "a" when surfaces 22 and 24 abut; the distance "a" being equal to or greater than the distance "b" through which the pedal 12 about aperture 24 travels when the pedal moves between its rest and engaged positions. The shaft 36 and aperture 24 retain the abutment surfaces 22 and 34 in alignment even when the abutment surfaces are separated by distances equal to or greater than the travel of the lever at the point of the abutment surface 22 about aperture 24.
REFERENCES:
patent: 2001415 (1935-05-01), Freeman
patent: 3048980 (1962-08-01), Cousino et al.
patent: 3052130 (1962-09-01), Kellogg et al.
patent: 3766802 (1973-10-01), Shellhause
patent: 3885449 (1975-05-01), Green
Ford Motor Company
Lindsey Rodney M.
May Roger L.
McDermott Peter D.
Smith Gary L.
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