Camera with annular light shielding member around axially moving

Details Camera with annular light shielding member around axially moving Camera with annular light shielding member around axially moving

1995-06-07

1997-10-14

Metjahic, Safet

Photography

Having variable focal length of camera objective

Lens moves in or out of light path

359611, G02B 2700, G03B 118

Patent

active

056781377

ABSTRACT:
A camera has a light shielding member surrounding an axially movable lens housing arranged to project through a circular opening in a camera housing. The light shielding member has an annular disc portion with an inner peripheral grooved surface frictionally engaging an outer cylindrical surface of the lens housing. The disc portion is positioned between a transverse inner surface of the camera housing cover and a surface of a helicoid member. At its outer periphery, the light shielding member has a generally cylindrical flange that projects axially between a longitudinal inner surface of the camera housing and the helicoid.

REFERENCES:
patent: 5034762 (1991-07-01), Kohmoto

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