Lens barrels

Details Lens barrels Lens barrels

2006-11-07

2006-11-07

Perkey, W. B. (Department: 2851)

Photography

Camera detail

Shutter

C396S542000

Reexamination Certificate

active

07131773

ABSTRACT:
A lens barrel with a shutter unit. While the lens barrel is retracted to obtain a collapsed state or advanced to obtain a photographing state, the flexible printed circuit board of the shutter unit is bendable so as to provide a variable length for the rotation of the shutter unit71around the rotary axis J2parallel with the optical axis J1. When the lens barrel is operated in the photographing state, the flexible printed circuit board is foldable so as to provide a variable length for the movement of the shutter unit71in the optical axis J1. The flexible printed circuit board can support flexibly without twisting and loosening. The lens barrel further includes a restraint member to bring the shutter unit71rotating around the central axis and to restrain the rotation of the shutter unit71.

REFERENCES:
patent: 4596454 (1986-06-01), Kawai et al.
patent: 6835006 (2004-12-01), Tanaka et al.
patent: 2003-140022 (2003-05-01), None

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