Sheet feeding or delivering – Feeding – With means to align sheet
Patent
1975-11-28
1977-10-25
Schacher, Richard A.
Sheet feeding or delivering
Feeding
With means to align sheet
271195, B65H 2924
Patent
active
040553400
ABSTRACT:
In a first embodiment, a stop having a plurality of ports is connected to and covers an end of a bent rectangular sleeve. In a region near the stop, a narrow wall of the sleeve also has a plurality of ports. The sleeve includes at each bend a pair of oppositely disposed openings, a driven roller, a drive roller cooperating with the driven roller to provide a nip in the sleeve, and a pair of shrouds covering the rollers and openings. 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, the rollers assisting movement of the sheets through the bends. 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: 3367035 (1968-02-01), Tomlinson
patent: 3405977 (1968-10-01), Albright
patent: 3624807 (1971-11-01), Schwebel
patent: 3653568 (1972-04-01), Cronquist
patent: 3707254 (1972-12-01), Scott
patent: 3727912 (1973-04-01), Vos
patent: 3834799 (1974-09-01), Blosser
patent: 3926426 (1975-12-01), Toriumi
Cassano James R.
Hamlin Thomas J.
Smith Richard E.
Stange Klaus K.
Nieves Carlos
Ralabate James J.
Schacher Richard A,.
Xerox Corporation
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