Sheet feeding or delivering – Delivering to stack and feeding therefrom – With sheet sensor for selective location
Patent
1978-05-23
1980-05-27
Schacher, Richard A.
Sheet feeding or delivering
Delivering to stack and feeding therefrom
With sheet sensor for selective location
271 31, 271 94, 271151, 271157, B65H 122
Patent
active
042046670
ABSTRACT:
A semi-circular stack sheet feeding apparatus for supplying an imbricated stack of sheets to a sheet folding machine or the like is disclosed. The sheet feeding device has a delivery and diverting device for transporting the imbricated stack of sheets in a first delivery direction along the underside of a diverting drum, about a portion of the periphery of the drum and, in a second delivery direction, to a sheet removal platform. A removal device associated with the removal platform removes the uppermost sheet from the platform in a direction opposite the second delivery direction. A stop is provided on the removal platform against which the leading edges of the sheets strike and a stack height sensor is provided for sensing the number of sheets stacked on the removal platform. So long as the number of sheets in the stack is below a predetermined value, the stack height sensor maintains the drive of the delivery and diverting device engaged.
REFERENCES:
patent: 1591546 (1926-07-01), Olson
patent: 1898535 (1933-02-01), Haupt
patent: 2138995 (1938-12-01), Belluche
patent: 4010945 (1977-03-01), Kistner
Maschinenbau Oppenweiler GmbH
Schacher Richard A,.
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