Apparatus for separating and stacking sheets of paper or the lik

Details Apparatus for separating and stacking sheets of paper or the lik Apparatus for separating and stacking sheets of paper or the lik

1977-06-10

1979-10-16

Yost, Frank T.

Severing by tearing or breaking

Breaking or tearing apparatus

Plural breakers

83 91, 83 93, 93 36A, 225101, 225103, B26F 302

Patent

active

041710819

ABSTRACT:
The present invention is concerned with a method of separating and stacking sheets of paper, cardboard and the like, which are delivered from a sheet punching machine and consist of useful and waste portions connected together by small fillets, comprising the steps of laying and separating a specific number of sheets on a severing table of a useful portion separating station; interrupting the supply of sheets; lowering the table with a stack of separated sheets; withdrawing the table from under the stack and laying the stack on a pallet situated therebelow; setting the table in place and raising same; removing the pallet with the stack and introducing a new pallet with simultaneous resumption of the cycle of steps.
Apparatus for carrying out the method comprises a supply device upstream of a sheet-punching machine for supplying punched, but not yet separated, sheets on to a plane severing surface, severing tools movable upwards and downwards on linkages and arranged above the plane supporting surface, and a plane stacking surface for taking up the stack of separated sheets, the plane severing surface being formed by a severing table or the uppermost sheet of a stack of sheets lying on the severing table, the severing table being adjustable in height, the plane stacking surface being formed by a pallet, means for moving the pallet into and from below the severing table and said pallet being adjustable in height, and a device for lateral displacement of the severing table and holding back the stack of sheets in a position lying outside the limits of the pallet and for putting the severing table again into position above the stack of sheets.

REFERENCES:
patent: 1845203 (1932-02-01), Sibley
patent: 2224279 (1940-12-01), Underwood
patent: 2958431 (1960-11-01), Curtenius
patent: 3794228 (1974-02-01), Colwill et al.
patent: 3924499 (1975-12-01), Dechambre et al.

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