Multibin, cut-sheet xerographic copier

Details Multibin, cut-sheet xerographic copier Multibin, cut-sheet xerographic copier

1977-04-18

1978-05-16

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Multiple supplies

271 37, 271110, 271121, 271169, B65H 122

Patent

active

040895165

ABSTRACT:
A multibin, cut-sheet xerographic copier capable of operating in a simplex or a duplex copy mode, wherein sheets are fed from a selected sheet stack, one at a time, to the copier's transfer station, by a sheet feeding means which includes a combing wheel.
The combing wheel shingles the leading edge of the stack's top sheet to an open feed roller nip, to be sensed thereat by a pneumatic sensor. Sensing of this leading edge causes the combing wheel to be lifted off the stack. Subsequently, at a time determined by the copier's control logic, the drive nip closes to thereby feed the top sheet to the copier's paper registration gate, and then to its transfer station. As soon as this sheet's trailing edge has cleared the pneumatic sensor, and the drive nip has opened, the next sheet is staged at the shingled position, in the open drive nip.
Means are provided to deshingle the stack when the copier's paper supply drawer is opened, as for reloading paper.
The combing wheel, drive nip and associated assemblies are supported by a single frame member, and are thus removable as a unit for replacement or repair.

REFERENCES:
patent: 538640 (1895-04-01), Briggs
patent: 640368 (1900-01-01), Cross
patent: 1109902 (1914-09-01), Cross
patent: 1714527 (1929-05-01), Spiess
patent: 2082239 (1937-06-01), Belluche
patent: 3900192 (1975-08-01), Gibson

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