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:
Aug. 07, 2012
Filed:
Jun. 10, 2008
Applicant:
Toshifumi Maehara, Tokyo, JP;
Inventor:
Toshifumi Maehara, Tokyo, JP;
Assignee:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 51/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cylinder bodyof a wheel cylinder assemblyfor expanding a pair of brake shoesandby a pair of pistonsandbrought into contact with the respective brake shoes has a shape of a single straight pipe with both ends which are opened. The cylinder bodyincludes a first cylinder portionfor the oneof the pistons and a second cylinder portionfor the otherof the pistons. A valve seatof a control valveis arranged between the cylinder portionsand