Typewriting machines – Sheet or web – For feeding sheet from stack or pack holder
Patent
1996-06-06
1997-12-16
Eickholt, Eugene H.
Typewriting machines
Sheet or web
For feeding sheet from stack or pack holder
400629, 271 308, 271 408, 271 1009, 271109, 271111, 271121, 271226, B41J 1158
Patent
active
056977166
ABSTRACT:
A printer is provided with a hopper dimensioned to retain a plurality of sheets thereon and a sheet feed roller for feeding an uppermost sheet out of the plurality of sheets maintained on the hopper. Further, a separation pawl is located at a corner portion of the plurality of sheets held on the hopper for separating an uppermost sheet from a next sheet if the sheets to be printed upon are relatively thin. A wall surface is located downstream in a sheet feed direction with respect to the plurality of sheets maintained on the hopper is also provided for separating an uppermost sheet from a next sheet if the sheets to be printed upon are relatively thick. A selecting mechanism for selecting either a separating operation utilizing the separation pawl or a separating operation utilizing the wall surfaces also provided on the printer. A recess is formed by the hopper in a surface thereof for accommodating the separation pawl at a position lower than the plurality of sheets held on the hopper when the separating operation utilizing the wall surface is selected by the selecting mechanism. Finally, a regulating means for regulating the separation pawl when the separating operation utilizing the separation pawl is selected by the selecting mechanism is provided so that said separation pawl does retreat fully into the recess.
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patent: 4798374 (1989-01-01), Ito
patent: 5035413 (1991-07-01), Yamada et al.
patent: 5178378 (1993-01-01), Nakajima
patent: 5211690 (1993-05-01), Mizoguchi et al.
patent: 5480247 (1996-01-01), Saikawa et al.
patent: 5531531 (1996-07-01), Hirano
Eickholt Eugene H.
Seiko Epson Corporation
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