Sheet conveying apparatus

Details Sheet conveying apparatus Sheet conveying apparatus

1990-12-28

1992-03-10

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

With means to align sheet

271256, 271273, 271275, 271189, 271198, 1986262, 1986263, B65H 904

Patent

active

050944436

ABSTRACT:
Apparatus for conveying one or more sheets of paper. The apparatus includes a supporting housing; a first, upstream pulley and a second, downstream pulley rotatably mounted on the housing; a lower, endless, elastic belt mounted on the first and second pulleys, the belt having an upper and a lower reach, the reaches being substantially horizontal; a third, downstream pulley rotatably mounted on the housing above the lower belt; a fourth, upstream pulley rotatably mounted on the housing above the lower belt, the fourth pulley biased toward the lower belt; and an upper, endless, elastic belt mounted on the third and fourth pulleys, whereby the fourth pulley can move away from the lower belt when the thickness of the sheets being conveyed requires a larger gap to engage the upper belt.

REFERENCES:
patent: 3683758 (1972-08-01), Feldkamper
patent: 3877696 (1975-04-01), Miciukiewicz
patent: 4078790 (1978-03-01), Stockerr
patent: 4844445 (1989-07-01), Murata et al.
patent: 4850584 (1986-07-01), Watashi
Froula et al., Document Feed, 7-72, IBM Technical Disclosure, vol. 15, No. 2, p. 45.

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