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. 22, 1994
Filed:
Apr. 12, 1994
Applicant:
Inventors:
Isao Watanabe, Kodaira, JP;
Makoto Nakao, Kodaira, JP;
Kiyoshi Ohno, Kodaira, JP;
Masatoshi Ohishi, Kodaira, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
188267 ; 188298 ; 18832217 ; 188312 ; 188313 ; 267 6424 ; 267122 ; 26714014 ;
Abstract
A vibration damping device comprises two cylindrical and flexible membrane members, a restricted passage constituting member connected at both end portions to these membrane members, two face plates connected at their end portion to the membrane members, a closed chamber defined by these members and face plates, a rigid member connecting both the face plates to each other at inside or outside of the closed chamber, a fluid filled in the closed chamber, and a fastening member disposed at each side of the restricted passage constituting member and the face plate.