Optical element positioning apparatus

Details Optical element positioning apparatus Optical element positioning apparatus

2010-04-27

2011-10-11

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C359S694000, C359S696000, C396S073000, C396S349000

Reexamination Certificate

active

08035905

ABSTRACT:
An optical element positioning apparatus capable of moving an optical element from a storage state to a use state and improving the accuracy of positioning the optical element to a use position on an optical path. A holding member that holds the optical element is guided by guide shafts to be movable between the storage state and the use state. The holding member is provided with guide-supporting and receiving portions through which the guide shafts are slidably inserted. The guide shafts are supported by holding portions. A degree of freedom in positioning the holding member at the use position is provided. Holding-member positioning parts of the guide-supporting and receiving portions are pressed by an urging device against ends of the holding portions, whereby the holding member is positioned and held at the use position.

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patent: 09-284501 (1997-10-01), None

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