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. 19, 1988
Filed:
Sep. 08, 1986
Applicant:
Inventors:
Michio Kobayashi, Saitama, JP;
Morihiko Shimamura, Saitama, JP;
Assignee:
Jidosha Kiki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
605471 ; 60589 ; 92 132 ;
Abstract
A brake power servo booster in which a power piston is slidably disposed in a shell, a master cylinder is connected to the brake pedal side of the shell, an input shaft is used to actuate a valve mechanism in order to generate a pressure difference between the forward and backward sides of the power piston, an output shaft is used to connect the power piston and a piston contained in the master cylinder, and a stopper member is provided in the housing of the master cylinder for limiting the retreat position of the input shaft.