The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2000
Filed:
Mar. 11, 1999
Kenji Shirai, Mishima, JP;
Yasunori Yoshino, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
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.