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:
Nov. 16, 2004

Filed:

Oct. 24, 2003
Applicant:
Inventors:

Hisashi Yajima, Tsukuba-gun, JP;

Nobuhiro Fujiwara, Tsukuba-gun, JP;

Satoru Ito, Tsukuba-gun, JP;

Assignee:

SMC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/08 ;
U.S. Cl.
CPC ...
H01F 7/08 ;
Abstract

A magnetic damper comprises a movable braking plate for receiving an operating element of an actuator, and a stator for attracting the braking plate by a magnetic force. A magnetic attraction force acting between the stator and the braking plate is used as a braking force for stopping the operating element.


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