Sheet stacking and transferring device

Details Sheet stacking and transferring device Sheet stacking and transferring device

B - Operations, Transporting

65

H

270/66

B65H 31/34 (2006.01) B31B 19/98 (2006.01) B65G 57/08 (2006.01) B65H 29/24 (2006.01) B65H 29/40 (2006.01) B65H 31/32 (2006.01)

Patent

CA 1277344

A B S T R A C T Disclosed is a rotary vacuum arm bag or sheet transferring and stacking device and a stack-handling system dnabling an indexing of counted bag stacks. The transferring device grasps and retains the bags adjacent margins transverse to the direction of web advance while at least a portion of the opposed margins parallel to such direction are spaced inwardly from the arms to define a slot or gap thru which stack-retaining fingers project contributing to remove a bag from a pair of arms and retaining the bag in a stack wherein respective margins overlie each other. Also disclosed is a stack-handling system having the ability to remove a completed stack from the stacking station and yet allow, if desired, con- tinuous bag machine operation and, as a result, uninterrupted transfer of sheets or bags to the stacking stations.

503052

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