Lens transfer device

Details Lens transfer device Lens transfer device

2006-10-24

2008-09-16

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S822000

Reexamination Certificate

active

07426081

ABSTRACT:
The invention provides a lens transfer device including at least one lens and a lens barrel. The lens barrel has a lens receiving part with the lens arranged in an inner space thereof and an extension extending radially from an outer surface of the lens receiving part. An actuator has a body and an output member at a leading end of the actuator to contact the extension, and is adapted to expand/contract and bend in response to an external supply voltage to provide a driving force necessary for transfer of the lens barrel through the output member. A pressing member has a free end contacting a rear end of the actuator to force the actuator against the extension, and a guide guides the transfer of the lens barrel along an optical axis.

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Japanese Patent Office Action, mailed Jul. 1, 2008 and issued in corresponding Japanese Patent Application No. 2006-288181.

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