Camera lens accessory mounting construction

Details Camera lens accessory mounting construction Camera lens accessory mounting construction

1982-06-17

1983-11-22

Gonzales, John

350318, G03B 1106, G02B 700

Patent

active

044165285

ABSTRACT:
A camera lens accessory and mounting ring construction for positioning and locking lens accessories, such as filter or aperture discs, at the front of the lens. The discs include a respective notch formed along the circumference thereof and the mounting ring has a pair of oppositely-facing lugs formed on the inner-facing circumference thereof. The discs are mountable to the end of the lens by slipping one or more selected discs under one of the lugs, lining up the notch on the discs to be in registry with the other of the lugs and slipping the discs under the latter lug. The discs are then rotated to move the notch out of registry with the lugs such that the discs are retained behind the two lugs, and the mounting ring is threadly engaged over the lens barrel to secure the discs upon the end of the lens.

REFERENCES:
patent: 1971434 (1934-08-01), Trautmann
patent: 2504255 (1950-04-01), Lanauzie
patent: 3719132 (1973-03-01), Urano
patent: 3796477 (1974-03-01), Geraci
patent: 3896463 (1975-07-01), Laskey
patent: 4124859 (1978-11-01), Huber
patent: 4291962 (1981-09-01), Jackson

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