Sheet stacking and transferring device

Details Sheet stacking and transferring device Sheet stacking and transferring device

1986-09-22

1987-05-26

Paperner, Leslie J.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Stack forming apparatus

198644, 198692, 271196, 414 27, 414 72, B65G 5708

Patent

active

046681582

ABSTRACT:
Disclosed is a rotary vacuum arm bag or sheet transferring and stacking device and a stack-handling system enabling 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, continuous bag machine operation and, as a result, uninterrupted transfer of sheets or bags to the stacking stations.

REFERENCES:
patent: 3125916 (1964-03-01), Hayes et al.
patent: 3625338 (1971-12-01), Cawley
patent: 3921827 (1975-11-01), Joice
patent: 4019640 (1977-04-01), Marin et al.
patent: 4262897 (1981-04-01), Kopacz
patent: 4270908 (1981-06-01), Lehmacher
patent: 4357126 (1982-11-01), Kidd et al.
patent: 4436472 (1984-03-01), Kunzmann

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