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. 10, 1979
Filed:
May. 16, 1977
Yoshihiro Hayashida, Chigasaki, JP;
Tokico Ltd., Kanagawa, JP;
Abstract
A master cylinder including a housing, a cylinder defined in the housing, a piston slidably fitted in the cylinder, a spring urging the piston toward an open end of the cylinder, a push rod for actuating the piston against the force of the spring to compress hydraulic fluid in the cylinder, and a stopper ring retained in the open end of the cylinder for abutting with the push rod to define the non-actuated position of the piston, wherein a seal is disposed between the inner periphery of the cylinder and the stopper ring and between the stopper ring and the push rod when the piston is in its non-actuated position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile