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:
Nov. 06, 2012
Filed:
Oct. 21, 2009
Applicant:
Yoshitomo Azekatsu, Saitama, JP;
Inventor:
Yoshitomo Azekatsu, Saitama, JP;
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydraulic shock absorber which includes a piston which is slidably fitted into a cylinder and partitions the cylinder into first and second fluid chambers; and a piston rod which is connected to the piston and slidably penetrates through an end wall of the cylinder, wherein the piston rod penetrates through the piston and includes on the outer circumferential surface of the piston rod at least one groove which communicates between the first and second fluid chambers, and the first and second fluid chambers are communicated with each other through the at least one groove.