Sheet feeding apparatus with mechanical pile retraction

Details Sheet feeding apparatus with mechanical pile retraction Sheet feeding apparatus with mechanical pile retraction

1985-12-23

1987-11-03

Rolla, Joseph J.

Sheet feeding or delivering

Feeding

Multiple supplies

271 301, 271158, 271159, 271162, 414 47, 414118, B65H 126, B65H 114

Patent

active

047039248

ABSTRACT:
In order to achieve a mechanical retraction of piles in a sheet feeding apparatus with a lifting table, the lifting table can be lowered to the level of the floor and serves to take up, one at a time, a pile supporting surface loaded with a pile of sheets. Each of the pile supporting surfaces is in the form of a mobile carriage and there is a carriage retracting mechanism with a tugging device which is located on the floor. The tugging device has a reversible driving device, bridges a distance of at least one length of a carriage, is situated outside the surface area of the lifting table, and has at least one dog able to engage and disengage by the lifting or respectively lowering motion of the lifting table, with a coupling element. The coupling element has edges of contact parallel to the lifting or respectively lowering direction of the lifting table, is fixed to the carriage, and projects over the surface area of the lifting table when the carriage is on the lifting table.

REFERENCES:
patent: 1745043 (1930-01-01), Romine
patent: 2094826 (1937-10-01), Seybold
patent: 2639824 (1953-05-01), Shannon et al.
patent: 3478698 (1969-11-01), Jones
patent: 4153242 (1979-05-01), Mizuma
patent: 4461379 (1984-07-01), Papa
patent: 4489821 (1984-12-01), Inaba et al.

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