Lens frame

Details Lens frame Lens frame

1990-04-24

1991-10-08

Arnold, Bruce Y.

Optical: systems and elements

Lens

With support

359827, 359819, G02B 702

Patent

active

050548867

ABSTRACT:
A lens frame of the projection lens to be attached, for example, on a projector of a projection-type television comprising a lens barrel for supporting the projection lens, a support member for rotatably supporting the lens barrel so that the lens barrel can be rotated about an optical axis of the projection lens to a prescribed position, and a fixing portion for securing the lens barrel to the support member and for frictionally maintaining the lens barrel in a selected position without displacing the projection lens from the optical axis of the projection lens.

REFERENCES:
patent: 4738512 (1988-04-01), Faatz et al.
patent: 4812015 (1989-03-01), Iizuka et al.
patent: 4911542 (1990-03-01), Nishio et al.
patent: 4957341 (1990-09-01), Hasegawa

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