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:
Mar. 19, 2002
Filed:
Apr. 05, 2001
Toshiyuki Takatsuji, Tsukuba, JP;
Sonko Osawa, Tsukuba, JP;
Tomizo Kurosawa, Tsukuba, JP;
Hironori Noguchi, Tsukuba, JP;
Agency of Industrial Science and Technology, Tokyo, JP;
Abstract
While the three angles of a plate supporting an optical element, including rolling, pitching and yawing angles, are adjusted, the height of an upper plate of a conventional adjusting device changes. In order to solve this problem, small balls of adjusting screws engaged with a middle plate are made to be abut on three V-shaped concave plates formed on an upper plate, and a spring is extended between spring hooks of the upper plate and middle plate to make the upper and middle plate be forced near each other. By rotating the three adjusting screws, the three angles of the upper plate can be adjusted, and the distance between the upper surface of the upper plate and the lower surface of the lower plate can be adjusted. The middle plate is rotatively supported by the lower plate, and by rotating the projecting shaft of the middle plate, the optical element can be rotated about its optical axis.