Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 5, 2013
Patent Application Number
12542108
Date Filed
August 17, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
An optical-device switching apparatus of a microscope includes a driving motor, and a rotation unit that is rotatably attached to a body and to which optical devices are attached, and a gear apparatus that is located between the driving motor and the rotation unit and transmits power from the driving motor to the rotation unit. The gear apparatus includes a backlash reduction system that reduces backlash.
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