Lens feed mechanism

Details Lens feed mechanism Lens feed mechanism

2007-12-25

2007-12-25

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C359S819000, C359S821000, C359S822000

Reexamination Certificate

active

11510677

ABSTRACT:
A lens feed mechanism is provided and includes: a lens frame that holds a movable lens and that is supported by a fixed lens barrel so as to be capable of moving in a direction in which the movable lens is to move; a feed screw supported rotatably on an axis extending in a moving direction of the lens frame; and a connecting unit that connects the lens frame with the feed screw, the connecting unit having a rack mechanism supported rotatable on an axis extending in a direction on a plane orthogonal to the moving direction of the lens frame, the connecting unit engaging with the feed screw.

REFERENCES:
patent: 2002/0106205 (2002-08-01), Kikuchi et al.
patent: 2003/0095337 (2003-05-01), Tu et al.
patent: 2004/0247306 (2004-12-01), Jeong et al.
patent: 2005/0168847 (2005-08-01), Sasaki
patent: 11-264925 (1999-09-01), None

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