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:
Jun. 16, 2009

Filed:

Feb. 15, 2006
Applicants:

Hiroshi Mashima, Sakai, JP;

Kazuhiro Shibatani, Sakai, JP;

Inventors:

Hiroshi Mashima, Sakai, JP;

Kazuhiro Shibatani, Sakai, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A rotating deviceis for rotating a vertically long drivable elementabout specified two axes (rotation axis A, rotation axis B) and is provided with a first and a second actuatorsA,B for giving torques to the drivable element, a pivot bearing portionas a rotation supporting point of the drivable element, a first and a second position detecting sensorsA,B for detecting the rotational posture of the drivable element, and a posture controller. Detecting portionsA,B of the first and second position detecting sensorsA,B are arranged on a straight line Lconnecting acting portionsA,B of the first and second actuatorsA,B and near the acting portionsA,B. The position of the drivable element can be detected by a simple construction and the drivable element can be quickly returned to an original position.


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