Lens mounting mechanism

Details Lens mounting mechanism Lens mounting mechanism

1985-05-31

1987-08-18

Punter, William H.

350255, 350429, G02B 702, G02B 1514

Patent

active

046872973

ABSTRACT:
A lens mounting mechanism including a fixed tube, a lens holder, a movable sleeve in which the holder is fitted and responsive to operation of an actuator for axially moving the holder, an intermediate sleeve having a guide slot for controlling the movement of the holder in cooperation with the movable sleeve and an adjusting sleeve, the intermediate and adjusting sleeves lying between the fixed tube and the movable sleeve. The adjusting sleeve is rotatable relative to the fixed tube but is restrained from axial movement. By rotating the adjusting sleeve, the axial position of the intermediate sleeve can be finely adjusted.

REFERENCES:
patent: 3897998 (1975-08-01), Someya et al.
patent: 3910686 (1975-10-01), Nitami et al.
patent: 3970370 (1976-07-01), Kawai
patent: 4458990 (1984-07-01), Kawai

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