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:
Jan. 05, 2021
Filed:
May. 26, 2017
Applicant:
Hitachi Automotive Systems, Ltd., Ibaraki, JP;
Inventors:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD., Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/52 (2006.01); F16D 65/18 (2006.01); F16J 3/04 (2006.01); B60T 1/06 (2006.01); F16D 121/02 (2012.01);
U.S. Cl.
CPC ...
F16J 15/52 (2013.01); F16D 65/18 (2013.01); F16J 3/042 (2013.01); B60T 1/065 (2013.01); F16D 2121/02 (2013.01);
Abstract
A piston boot has an annular fitting section which is formed on one end side of a bellows section, encloses an annular metallic member and is fitted to a stepped section. The fitting section has an outer peripheral surface section which comes into contact with an inner peripheral surface of the stepped section, and an annular plane section which comes into contact with an annular wall surface section of the stepped section. A plurality of holes each having a bottom surface at a position of the metallic member or a position near the metallic member are opened to the plane section.