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:
Mar. 03, 2020
Filed:
Jun. 30, 2016
Hitachi Automotive Systems, Ltd., Ibaraki, JP;
Shinya Kasai, Minami-Alps, JP;
Hitachi Automotive Systems, Ltd., Ibaraki, JP;
Abstract
A spring retainer includes a locking member which locks one end side of the piston spring, and a rod-shaped member () of which one end is in contact with the locking member to restrict a length of the piston spring and the other end is fixed to the piston (), and the rod-shaped member () is installed in a concave portion () of the piston (), and the concave portion () has a protruding portion (), which is extruded by plastic deformation toward a radial direction of the concave portion () and is formed of the same member as the opening circumferential edge portion (), in the vicinity of the opening circumferential edge portion ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile