Variable ratio parking brake control with enhanced cable take-up

Details Variable ratio parking brake control with enhanced cable take-up Variable ratio parking brake control with enhanced cable take-up

1997-03-18

1998-11-10

Marmor, Charles A.

Machine element or mechanism

Control lever and linkage systems

Foot operated

74516, G05G 114

Patent

active

058327843

ABSTRACT:
A parking brake control for operating a parking brake cable between a release position and a brake engagement position comprises a mounting plate assembly, an input lever assembly which translates and rotates with respect to the mounting plate assembly, and a sector which is slidably attached to the mounting plate assembly and rotatable in response to movement of the input lever assembly, wherein rotation of the sector towards the brake engagement position produces a tension force on a cable. The parking brake control can further comprise a first rivet extending into a slot in the input lever assembly; preferably the sector rotates around the first rivet. In addition, a second rivet may be attached to the input lever assembly and received by both a cam slot in the mounting plate assembly and a slot in the sector. The parking brake control produces an output tension force on the cable, pulling the cable away from the parking brake to actuate the parking brake.

REFERENCES:
patent: 3646830 (1972-03-01), Schrock
patent: 3897694 (1975-08-01), Hirst Jr.
patent: 3938407 (1976-02-01), Nisbet
patent: 4075907 (1978-02-01), Petrzelka
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patent: 5211072 (1993-05-01), Barlas et al.
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patent: 5280734 (1994-01-01), Riffle et al.
patent: 5448928 (1995-09-01), Harger
patent: 5528956 (1996-06-01), Harger et al.
patent: 5528957 (1996-06-01), Belmond et al.

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