Roller-accumulator for sheets

Details Roller-accumulator for sheets Roller-accumulator for sheets

B - Operations, Transporting

65

H

B65H 39/10 (2006.01) B65H 29/14 (2006.01) B65H 29/58 (2006.01)

Patent

CA 2075412

An improved accumulator and method of accumulation into stacks of a number of seriatim-fed sheets selectively in the manner of "over" or "under" accumulation and for conveying accumulated stacks to further equipment. The accumulator comprises driven endless belts (10,12) to drive sheets therebetween and driven roller means (14) for nipping and feeding the sheets to a stacking location to be accumulated therein. The nip (40) of the roller means (14) is offset in relation to the plane in which sheets are driven thereto by the belts (10, 12). The roller means (14) drives a sheet in a positively-nipped manner to the stacking location (26) selectively over or under a previously arrived sheet. Further included in the roller-accumulator is a stop gate means (58) for stopping sheets fed to the stacking location (26) and for selectively releasing accumulated stacks to be transported by and between the endless belts (10, 12) to further equipment.

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