1986-01-06
1988-07-26
Corbin, John K.
G02B 710
Patent
active
047596180
ABSTRACT:
A lens mounting having an actuator drivingly connected to a movable sleeve in which is fitted a stop member for controlling harmful rays of light, whereby a cam for controlling the axial movement of the stop member is provided in each of the movable sleeve and a fixed sleeve in which the movable sleeve is fitted.
REFERENCES:
patent: 4472032 (1984-09-01), Kamata et al.
patent: 4491396 (1985-01-01), Isobe et al.
Ben Loha
Canon Kabushiki Kaisha
Corbin John K.
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