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:
Sep. 11, 2012
Filed:
Dec. 26, 2006
Applicants:
Shingo Uchiyama, Kanagawa, JP;
Makoto Sato, Kanagawa, JP;
Fusao Shimokawa, Kanagawa, JP;
Inventors:
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A total length of members () formed in an X-axis direction of a spring () is larger than a spring length of the spring () and larger than a total length of members () formed in a Y-axis direction. With this arrangement, spring constants of respective axes can be increased, and a spring constant in a direction R can be set appropriately and freely within a wider range.