Speed regulated fluidic sheet transport

Details Speed regulated fluidic sheet transport Speed regulated fluidic sheet transport

1976-01-15

1977-12-13

Saifer, Robert W.

Sheet feeding or delivering

Feeding

With means to align sheet

271195, B65H 900, B65H 522

Patent

active

040625389

ABSTRACT:
A transport includes a sleeve through which a belt having abutments is driven at a predetermined speed. The sleeve includes along one of its narrow walls a plurality of ports and each of the abutments includes a number of holes. Fluid injected in parallel with the wide walls of the sleeve exits through the ports and passes through the holes of an abutment in the sleeve. As a result, a sheet fed into the sleeve is biased against one of the abutments and the narrow wall and moves through the sleeve at the same speed as the belt. In moving through the sleeve at said predetermined speed, the sheet moves past a window in the sleeve. To eliminate flutter of the sheet as it moves past the window, fluid is injected through a wide wall of the sleeve, thereby biasing the sheet against the belt. As a result, slit-scan xerographic apparatus in cooperation with the window may be synchronized with the belt drive to provide a copy of information on the sheet.

REFERENCES:
patent: 1107859 (1914-08-01), Stevens
patent: 1947211 (1934-02-01), McFarlane
patent: 2887951 (1959-05-01), Strother et al.
patent: 3915447 (1975-10-01), Perno
patent: 3918706 (1975-11-01), Craft

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