Optical part holding unit

Details Optical part holding unit Optical part holding unit

2005-02-17

2008-09-23

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000, C359S823000, C353S101000

Reexamination Certificate

active

07428110

ABSTRACT:
It is an object to provide an optical component holding unit whereby the positioning accuracy can be improved while reducing cost through facilitated assembling and ensuring reproducibility.The fitting between a cross-sectionally noncircular-shaped rectangular convex portion8aand a rectangular hole and the fitting between a cross-sectionally circular-shaped circular convex portion11aand a circular hole, which surround or form opening portions22aand22bfor allowing passage of light, guide adjacent optical component holding units35to predetermined positions and couples the units detachably to each other for positioning in the three-dimensional direction, while the fitting between the rectangular convex portion8aand the rectangular hole and the fitting between spring pins13aand fitting holes restrain the adjacent optical component holding units35relatively in the rotation direction for positioning in the rotation direction.

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