Sheet feeding or delivering – Feeding – Pack holders
Patent
1990-12-06
1992-02-18
Bollinger, David H.
Sheet feeding or delivering
Feeding
Pack holders
271121, 271149, B65H 100
Patent
active
050887181
ABSTRACT:
Apparatus for feeding and separating seriatim a sheet of paper from a stack of sheets. The apparatus includes: a deck having a receiving end and a feeding end for supporting the stack of sheets on edge, the deck oriented at an angle between about 10 and 20 degrees to a horizontal plane and wherein the feeding end is lower than the receiving end; a main urge roller situated above the feeding end of the deck at about midway between the top and bottom edges of the stack of sheets, whereby the stack is bent at a point in the sheets about midway between the top and bottom edges of the sheets; a secondary feed roller parallel to and situated above the main urge roller near the top edge of the stack of sheets, wherein a line of tangency joining the peripheries of the main urge roller and the feed roller adjacent the stack of sheets is disposed at an angle between about 40 and 50 degrees to a horizontal plane; a device for urging the stack against the main urge roller as the stack is reduced in the course of the feeding of the sheets seriatim; and a device downstream of the secondary feed roller for separating the bottom sheet from the stack of sheets at the top edge of the stack.
REFERENCES:
patent: 1047689 (1912-12-01), Nind et al.
patent: 1566163 (1925-12-01), Neihart
patent: 4184670 (1980-01-01), Rosendahl
patent: 4352022 (1982-09-01), Britton
patent: 4362100 (1982-12-01), Wu et al.
patent: 4671504 (1987-06-01), Lapinski et al.
Spiers James A.
Stepan Constance R.
Bollinger David H.
Malandra, Jr. Charles R.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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