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:
May. 05, 2009
Filed:
Mar. 18, 2005
Applicants:
Minoru Ueda, Tokyo, JP;
Satoshi Takeuchi, Kuroishi, JP;
Etuo Oono, Yuzawa, JP;
Inventors:
Assignee:
Namiki Seimitsu Houseki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 41/00 (2006.01); H02K 35/00 (2006.01); H01F 7/08 (2006.01); G10K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To accurately tune the vibration frequency of a suspension during assembly. Secured positionswhere a magnetic circuit partis secured to a suspensionare provided near to each other. From among the secured positions, secured positionssuitable for the characteristics of a suspensionto be mounted and the weight of a magnetic circuit partare selected and secured to each other. Thus, the distance between the securing position and the central position of vibration of a suspensionand a housingcan be changed to tune the frequency to the desired value.