Electrically operated parking brake apparatus having braking for

Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric

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Details

188 31, 188 721, 188158, 188 111R, 188162, 303 20, 303146, 303155, B60T 710, B60T 1374, B60T 1722, B60T 800

Patent

active

061391174

ABSTRACT:
Electrically operated parking brake apparatus for a vehicle, including a parking brake device provided for each of at least one vehicle wheel, an electrically operated driving unit for activating the parking brake device, an operating force holding mechanism for mechanically maintaining an operating force of the parking brake device while the driving unit is off, and a parking brake control device for supplying electric power to the driving unit to activate the parking brake device and then cutting a supply of the electric power to the driving unit, for thereby applying a parking brake to the vehicle, wherein the parking brake control device includes an actual operating force changing device operable while a manually operated drive power source switch provided for turning on and off a vehicle drive power source is placed in the non-operated position, for supplying electric power to the driving unit so as to change an actual value of the operating force of the parking brake device, and then cutting a supply of the electric power from the driving unit.

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TEXTAR Berichte aus dem .mu.-Club, VXII. Internationales .mu.-Symposium Bremsen-Fachtagung 24./25. Oct. 1997.

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