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:
Jun. 14, 2005
Filed:
Jul. 16, 2001
Kenji Karaki, Ina, JP;
Kazuhiro Hasegawa, Hachioji, JP;
Keisuke Tamura, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A rough motion shaftand a fine motion shaftare provided on a front side of a stagewith respect to an optical axis of an observation optical system of a microscope. Further, a rough motion shaftand a fine motion shaftare provided on a rear side with respect to the optical axis. The rough motion shaftand the fine motion shaftare linked with the rough motion shaftand the fine motion shaftso as to move objective lensesselectively in rough motion or fine motion. Objective lensesA,B are arranged in a circular shape on a fixing memberand a rotating memberrotates objective lensesA,B along the direction of the arrangement. The rotating memberincludes a weightthat applies a rotation force in an inverse direction.