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.

Date of Patent:
Aug. 21, 2007

Filed:

Mar. 16, 2004
Applicant:

Shinichi Yamada, Wako, JP;

Inventor:

Shinichi Yamada, Wako, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/14 (2006.01); B61H 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotary damper having an oil chamber within a housing which is divided into two by a vane, and generates a damping force by passing operating oil between the two oil chambers when the vane oscillates, has a shaft supporting the vane to allow oscillation in relation to the housing, fixed to a base part of the vane, and seal washers for dividing in a fluid-tight manner between a bearing rotatably supporting the shaft on the housing shaft, and the oil chamber, is provided on the base part of the vane.


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