Apparatus for holding stack of sheets in sheet counting machine

Details Apparatus for holding stack of sheets in sheet counting machine Apparatus for holding stack of sheets in sheet counting machine

1979-12-19

1981-06-09

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

188 83, 235 92SB, 271160, 271162, B65H 310, B65H 342, B65H 124

Patent

active

042720672

ABSTRACT:
In a machine for counting the number of sheets by bringing a stack of sheets in turn into abutment against a plurality of rotating suction heads, which are adapted to attract the sheets and deflect them one after another away from the remaining stack of sheets, an apparatus for holding the stack of sheets and adjusting the pressing force under which the stack of sheets is brought into abutment against the suction heads. The apparatus has a rotatable holder and a rotatable support rod for holding therebetween the stack of sheets. Associated with the holder and the support rod are two springs which present different tensile forces in opposite directions with respect to the holder and the support rod so that the pressing force may be determined by the effect of the tensile force difference between the tensile forces of the two springs. Also associated with the holder are resilient friction members for decreasing by their frictional action the effect of the tensile force difference, and adjusting members for adjusting the degree of the frictional action of the friction members.

REFERENCES:
patent: 1441578 (1923-01-01), Hartford
patent: 1494482 (1924-05-01), Hornburg
patent: 3652081 (1972-03-01), Hatanaka et al.

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