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. 14, 1991
Filed:
Jan. 16, 1990
Applicant:
Inventor:
Yukio Iwata, Omiya, JP;
Assignee:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
9211 / ; 92 51 ; 92166 ;
Abstract
A hydraulic cylinder that is capable of being set in three positions utilizing a movable cylinder with a fixed main piston and auxiliary pistons slidably mounted within the cylinder. Right and left fluid chambers are defined, within the cylinder, by the main piston and right and left auxiliary pistons respectively.