Lens barrel

Details Lens barrel Lens barrel

2011-01-25

2011-01-25

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000

Reexamination Certificate

active

07876514

ABSTRACT:
A lens barrel has an elastically deformable moving frame which is a cylindrical frame member having a first groove group, in which a plurality of grooves formed in the circumferential direction are arranged in the optical axis direction, at the outer periphery thereof, and an elastically deformable rotating frame which is a cylindrical frame member engaging with the outer periphery of the moving frame and having a second groove group, in which a plurality of grooves formed in the circumferential direction are arranged in the optical axis direction so as to face to the first groove group, at the inner periphery thereof, the rotating frame being movable relative to the moving frame without interference of the second groove group with the first groove group during the ordinary operation.

REFERENCES:
patent: 6204977 (2001-03-01), Iwasa
patent: 6570718 (2003-05-01), Nomura et al.
patent: 6751031 (2004-06-01), Yasutomi
patent: 6765728 (2004-07-01), Kabe
patent: 7394600 (2008-07-01), Yasutomi et al.

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