Force limiting device for a motor vehicle parking brake

Details Force limiting device for a motor vehicle parking brake Force limiting device for a motor vehicle parking brake

1974-08-28

1976-02-17

Sprague, Kenneth W.

Machine element or mechanism

Control lever and linkage systems

Foot operated

74519, G05G 114, G05G 104

Patent

active

039384063

ABSTRACT:
A force limiting device for a motor vehicle parking brake according to the present invention includes an intermediate lever that is connected by a first cable to a brake pedal and by a second cable to a wheel brake. The intermediate lever is supported on a support lever and the support lever, in turn, is supported on vehicle body structure. The support lever is displaceable from its normal stationary support position to a force limiting position. Tension forces in the first and second cables acting through the intermediate lever will cause the support lever to move from its normal support position to its force limiting position when said tensions exceed a predetermined minimum. With this construction, excessive displacement of the brake pedal will cause the support lever to be displaced rather than produce excessive loads upon the wheel brake.

REFERENCES:
patent: 1645846 (1927-10-01), Andres
patent: 3466942 (1969-09-01), Keller et al.

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