Duplex document handler

Details Duplex document handler Duplex document handler

1988-06-06

1989-12-05

Skaggs, H. Grant

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271251, 271291, 271186, 271902, 271301, 355 24, B65H 522

Patent

active

048847941

ABSTRACT:
In a document handler in which simplex or duplex document sheets are fed from a document tray overlying the copier platen of a copier to one side of the platen, with a single inversion and a document side edge registration and deskewing system in the simplex path; a unidirectional, continous loop, but non-circular duplex document inversion path integral with and partially in common with the simplex path is provided at the same side of the platen. This duplex path has first and second inverting path segments separate from the simplex path, and a third path segment utilizing the simplex path. Duplex documents to be inverted are fed into the first path segment, which extends up from the platen outside of the simplex path and on through the second path segment to connect with the simplex path upstream of the side edge registration system and passing through the single inversion in the simplex path so that duplex documents being inverted are returned to the platen inverted from their previous orientation after re-registration by the same document side edge registration system as is used for simplex documents. A self-actuating platen edge guide, and two RDH modification versions, are also disclosed.

REFERENCES:
patent: 4319833 (1982-03-01), Hidding
patent: 4456237 (1984-06-01), Buddenbeck
patent: 4579444 (1986-04-01), Pinckney et al.
patent: 4621108 (1986-11-01), Sanchez
patent: 4627709 (1986-12-01), Kitajima et al.
patent: 4714241 (1987-12-01), Randall
patent: 4727398 (1988-02-01), Honjo et al.
patent: 4727401 (1988-02-01), Partilla et al.
patent: 4744553 (1988-05-01), Hirase

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