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:
Apr. 26, 1994
Filed:
Apr. 13, 1992
Applicant:
Inventor:
Shigeyoshi Kobayashi, Saitama, JP;
Assignees:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Akebono Research and Development Centre, Ltd., Hanyu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
188328 ; 1882 / ; 1882 / ;
Abstract
A backing plate is formed by way of a liquid metal forging process or a die-casting process by using an aluminum alloy or an aluminum-based composite material. Essential portions to which forces are applied are formed with a large thickness, and the remaining portions with a small thickness. In addition, as another embodiment, iron pieces are embedded in portions to which forces are applied or which are liable to be worn.