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:
Aug. 27, 2002
Filed:
Jul. 31, 2000
Applicant:
Inventor:
Masatsugu Kato, Tokyo, JP;
Assignee:
Polymatech Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/00 ;
U.S. Cl.
CPC ...
F16F 9/00 ;
Abstract
A variable spring constant type damper filed with visco fluid which has a great damping effect over a wide frequency band from a low frequency band to a high frequency band and to suppress a resonance magnification at a resonance frequency of a supported body. It is such constituted that the changes are given to a flexible portion ( ) made of an elastic body like rubber connecting the flexible portion ( ) and a cylindrical portion ( ), whereby a spring constant is allowed to depend upon an amplitude.