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:
May. 12, 2015
Filed:
Jun. 29, 2012
Seiko Tanabe, Yamanashi, JP;
Yoichi Kumemura, Yokohama, JP;
Hayuru Inoue, Yokohama, JP;
Hitoshi Yoshida, Kawasaki, JP;
Seiko Tanabe, Yamanashi, JP;
Yoichi Kumemura, Yokohama, JP;
Hayuru Inoue, Yokohama, JP;
Hitoshi Yoshida, Kawasaki, JP;
Hitachi Automotive Systems, Ltd., Ibaraki, JP;
Abstract
A pressing part is provided at a disk-circumferentially central portion of a base plate member of a shim plate. The pressing part presses a friction pad at the center in the disk circumferential direction of the friction pad when a piston starts to press the friction pad. The pressing part is formed by slitting and raising the disk-circumferentially central portion of the shim plate along the disk radial direction. When the pressing force of the piston is in a low pressure range, the pressing force is transmitted to the friction pad through the pressing part. After the pressing force of the piston has exceeded the low pressure range, the pressing force is transmitted to the friction pad through the whole region in the disk circumferential direction of the piston.