Control element for displacing components of optical systems

Details Control element for displacing components of optical systems Control element for displacing components of optical systems

1974-04-15

1976-01-06

Wintercorn, Richard A.

350187, 350255, G03B 300, G03B 1302, G02B 1500, G02B 702

Patent

active

039316297

ABSTRACT:
To shift the movable lenses of a verifocal objective, or to adjust the leaves of an iris diaphragm, a flat or cylindrically curved control element is formed with camming grooves coacting with projections on the controlled members. The control element is a deformable foil, e.g. of sheet metal, in which the camming grooves are formed by deep-drawing. The foil rests against a backing element with which it is positively connected by a tongue-and-groove coupling or the like and which entrains the control element upon being rotated about their common axis by an external force.

REFERENCES:
patent: 1950166 (1934-03-01), Durholz
patent: 3163701 (1964-12-01), Staubach
patent: 3442577 (1969-05-01), Purvey
patent: 3609011 (1971-09-01), Sakaguchi

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