Lens device

Details Lens device Lens device

2011-08-02

2011-08-02

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

With support

Reexamination Certificate

active

07990630

ABSTRACT:
Device facilitating quick and easy removal of a lens from a front side. The device includes a lens, a housing, a retention clip, an ejection block, and a fastener. The fastener passes through a hole in the housing and the ejection block. The fastener and either the housing or the ejection block have compatible threading. Rotation of the fastener in one direction causes the ejection block to release the retention clip, thereby allowing the lens to be removed. Rotation in a second direction causes the ejection block to return to a position capable of receiving the retention clip.

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patent: 7284887 (2007-10-01), Fladhammer
patent: 2006/0133079 (2006-06-01), Callahan
patent: 1376184 (2004-01-01), None

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