1977-09-07
1979-09-04
Gonzales, John
354219, G03B 1704
Patent
active
041666828
ABSTRACT:
The top of the housing of a collapsible camera, connected by a scissor linkage with a relatively displaceable lens mount, has a cutout into which a viewfinder casing, swingable about a horizontal axis close to an upper lateral housing edge, is retracted in the collapsed state in which the lens mount enters the housing. A focusing knob on the housing controls the displacement of the extended lens mount, within an operating range, through a rack-and-pinion transmission engaging the scissor linkage; rotation of the knob beyond the "infinity" end of the operating range, preparatorily to a retraction of the lens mount into the camera housing, unblocks a latch serving to lock the viewfinder casing in its cutout. Return to the operating range automatically releases the latch and lets the spring-loaded casing jump out of the cutout to expose the viewfinder.
Gonzales John
Plaubel, Feinmechanik & Optik GmbH
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