Apparatus for holding a lens barrel for providing accurate lens

Details Apparatus for holding a lens barrel for providing accurate lens Apparatus for holding a lens barrel for providing accurate lens

1994-04-08

1996-11-19

Epps, Georgia Y.

Optical: systems and elements

Lens

With support

359820, 359819, G02B 702

Patent

active

055768954

ABSTRACT:
A lens barrel holding apparatus for fixing a lens barrel having at least one optical element. The apparatus fixes a lens barrel to a lens barrel holding bed. The lens barrel has a flange portion formed along the circumferential direction of the outer peripheral portion of the lens barrel. The lens barrel holding bed has a cylindrical recess of a diameter larger than the outer diameter of the flange portion. The apparatus includes a plurality of bar-like first supporting members for coupling the bottom surface of the recess and the flange portion together. Also included is a second supporting member that has at least three bar members disposed on the upper part of the flange portion along the circumferential direction of the flange portion so as to surround the lens barrel. The at least three bar members are coupled to the flange portion and to the lens barrel holding bed.

REFERENCES:
patent: 1417326 (1922-05-01), Jacobsson
patent: 2444457 (1948-07-01), Marks et al.
patent: 3782809 (1974-01-01), Shropshire
patent: 3941460 (1976-03-01), Meginnis
patent: 3942881 (1976-03-01), Meginnis
patent: 4589744 (1986-03-01), Kimura
patent: 4699505 (1987-10-01), Komoriya et al.
patent: 5137349 (1992-08-01), Taniguchi et al.
Soviet Patent Abstracts, Section PQ, Week 9339, 17 Nov. 1994, Derwent Publications Ltd., London, GB; Class P81, AN 93-310153, (SU-A-1 760 499).

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