Optical: systems and elements – Kaleidoscope
Patent
1992-06-12
1993-07-06
Wintercorn, Richard A.
Optical: systems and elements
Kaleidoscope
G02B 2300
Patent
active
052259340
ABSTRACT:
A kaleidoscope in a housing includes inner and outer object wheels with transparent portions and visible patterns, mounted to turn in opposite directions when a crank extending from a side of the housing is manually turned. A diffusion filter is mounted at an end of the housing to project diffuse illumination through the wheels when this end is held toward a light source. Elongated, inward directed reflective surfaces extend between the inner object wheel and a viewing hole in an end of the housing opposite to the filter. A shaft extends inward, within the housing, from the outer object wheel to an attached outer wheel drive gear. An inner wheel drive gear, turns on the shaft in engagement with the inner object wheel. The crank engages a crank drive gear engaging the inner and outer wheel drive gears on opposite sides of the crank drive gear, so that the inner and outer object wheels are rotated in opposite directions.
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Barron Harry W.
Wintercorn Richard A.
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