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. 15, 1994
Filed:
Jun. 01, 1993
Applicant:
Inventors:
Issei Kanari, Kanagawa, JP;
Junichi Emura, Kanagawa, JP;
Assignee:
Atsugi Unisia Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
188319 ; 188299 ; 18832215 ;
Abstract
A variable damping characteristics shock absorber includes a piston provided with first and second disc valves. Within a piston, an annular space is defined between the first and second disc valves. The annular space is selectively communicated with upper and lower fluid chambers defined in a shock absorber cylinder tube via a by-pass path. A variable orifice formed by means of a rotary valve is provided in the by-pass path.