Lens frame structure

Details Lens frame structure Lens frame structure

2007-07-23

2010-06-01

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Lens

With support

C359S822000, C359S811000

Reexamination Certificate

active

07729064

ABSTRACT:
There is disclosed a lens frame structure having a movable lens holding frame, a shaft which guides movement of the lens holding frame and a support member which supports the shaft. Owing to an impact force applied to a lens frame, the lens holding frame and the support member are able to relatively move in an axial direction of the shaft to come in face contact with each other. At least a part of regions of the lens holding frame and the support member which come in face contact with each other are slant surfaces with respect to the shaft.Otherwise, the regions of the lens holding frame and the support member which come in face contact with each other can be a pair of a concave surfaces and a convex surface (a wedge surface, a curved surface, a conical surface or the like) substantially parallel to each other.

REFERENCES:
patent: 2005-292514 (2005-10-01), None
patent: 2006-91208 (2006-04-01), None

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