Substrate rotation method and apparatus

Details Substrate rotation method and apparatus Substrate rotation method and apparatus

1985-09-13

1987-03-17

Spar, Robert J.

Conveyors: power-driven

Conveyor section

Conveyor portion only cyclically rotates, shifts, or...

51237M, 51419, 118500, 118730, 198802, 204298, B65G 4100

Patent

active

046500642

ABSTRACT:
A frame which carries a plurality of circular substrates seated in grooves in planar alignment. The substrates are seated in grooves defined within the circumferential periphery of apertures within the frame. Each groove and aperture have a diameter slightly larger than the substrate, with the groove contacting only a fraction of the rim of the substrate so that the substrate may orbit within the groove as the frame is provided with circular oscillations. This causes rotation of the substrate in the groove, i.e. the rim of the substrate "walks" around the inner circumference of the groove.

REFERENCES:
patent: 818916 (1906-04-01), Rodgers
patent: 3699298 (1972-10-01), Briody
patent: 3983838 (1976-10-01), Christensen
patent: 4051010 (1977-09-01), Roth et al.
patent: 4548698 (1985-10-01), Sellschopp

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