Pneumatic registration apparatus

Details Pneumatic registration apparatus Pneumatic registration apparatus

1977-03-08

1978-12-19

Blunk, Evon C.

Sheet feeding or delivering

Feeding

With means to align sheet

271195, B65H 900

Patent

active

041302745

ABSTRACT:
In a first embodiment a stop having a plurality of ports is connected to and covers an end of a rectangular sleeve. In a region near the stop a narrow wall of the sleeve also has a plurality of ports. A nozzle coupled to a pump provides a flow of air into the other end of the sleeve and the air exits through the ports. With this arrangement, a rectangular sheet inserted into said other end of the sleeve is fluidly brought into registration with the narrow wall and stop. In a second embodiment, similar to the first, the narrow wall and stop include internal projections against which an inserted sheet is registered. In a third embodiment, similar to the first, a manifold is coupled to the ports and a vacuum pump is coupled to the manifold to accelerate registration. In a fourth embodiment, similar to the third, the pumps are replaced with a reversible pump to register and discharge a sheet.

REFERENCES:
patent: 1107859 (1914-08-01), Stevens
patent: 3405977 (1968-10-01), Albright
patent: 3624807 (1971-11-01), Schwebel
patent: 3784189 (1974-01-01), Thiel
patent: 3918706 (1975-11-01), Craft

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