Lens barrel

Details Lens barrel Lens barrel

1997-10-15

1999-04-13

Ben, Loha

Optical: systems and elements

Lens

With support

359700, 359694, G02B 702

Patent

active

058943722

ABSTRACT:
A lens barrel includes a movable frame for holding an optical system, a fixed drum for supporting the movable frame so as to be movable in the direction of an optical axis, and a cam drum for moving the movable frame, wherein the movable frame is movably disposed between the fixed drum and the cam drum, and an outer peripheral portion of the fixed drum is provided with a support portion, penetrating through the movable frame, for rotatably supporting the cam drum.

REFERENCES:
patent: 5191482 (1993-03-01), Sekiguchi
patent: 5526188 (1996-06-01), Kanno et al.
patent: 5530596 (1996-06-01), Fukino et al.
patent: 5663839 (1997-09-01), Kanno
patent: 5663842 (1997-09-01), Takayama et al.

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