Document production machine having a high capacity, high reliabi

Details Document production machine having a high capacity, high reliabi Document production machine having a high capacity, high reliabi

1996-07-01

1997-12-09

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271170, B65H 352

Patent

active

056951841

ABSTRACT:
A high capacity, high reliability cassette tray sheet feeding assembly for supporting a high capacity stack of sheets, and for feeding such sheets with a high degree of reliability, one at a time, in a sheet using machine. The high capacity, high reliability cassette tray sheet feeding assembly includes a cassette frame for removing and reinstalling into a sheet supply station of the sheet using machine. The cassette frame has a front end over which sheets are fed into the machine, and a forward feed corner snubber that is mounted to one corner of the front end of the cassette frame for preventing the feeding of multiple sheets at a time. The cassette frame includes a fixed position stationary base plate within the cassette frame for supporting a high capacity stack of sheets having a topmost sheet. The high capacity, high reliability cassette tray sheet feeding assembly further includes a variable position sheet receiving path, and a pivotable feed wheel assembly for reliably feeding topmost sheets seriatim from the fixed position stationary base plate into the variable position sheet path. The pivotable feed wheel assembly has a first position for a full stack of sheets, and a second position for an empty base plate. Importantly, the pivotable feed wheel assembly has a constant sheet feeding angle, and a constant sheet feeding normal force, for enabling continuous high reliability feeding of sheets from the first through to the second position thereof.

REFERENCES:
patent: Re25825 (1965-07-01), Springer
patent: 3306491 (1967-02-01), Eisner et al.
patent: 3408064 (1968-10-01), Johnson et al.
patent: 3588106 (1971-06-01), Csaba
patent: 3599972 (1971-08-01), Miciukiewicz
patent: 4358102 (1982-11-01), Hoshizaki et al.
patent: 4591141 (1986-05-01), Wentzel et al.
patent: 4734738 (1988-03-01), Yamanaka et al.

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