Fluid sealed lens mounting system

Details Fluid sealed lens mounting system Fluid sealed lens mounting system

1986-04-18

1988-01-12

Corbin, John K.

350589, G02B 710

Patent

active

047187506

ABSTRACT:
A lens system comprising a cylindrical carrier for the lens, a body assembly, and a sleeve internally threaded to match external threads of a cylindrical body of the assembly. The lens is carried coaxially inside the carrier which has a helical cam slot and a longitudinal slot. The carrier is held coaxially and slidably within the interior of the cylindrical body. A pin in the body enters the helical slot, and a pin sealed fluid-tight in the sleeve is inserted through a circumferential opening in the cylindrical body and enters the carrier longitudinal slot. The ends of the cylindrical body are sealed fluid-tight with optical windows. The sleeve spans the circumferential opening. The opening and hence the interior of the body assembly is sealed from external fluid by a suitable lubricant between the external threads of the body and the internal threads of the sleeve. By turning the sleeve, the carrier and lens are cammed longitudinally in the body.

REFERENCES:
patent: 3399015 (1968-08-01), Jacobs
patent: 3817601 (1974-06-01), Colaiace et al.

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