Sheet stacking and transferring device

Details Sheet stacking and transferring device Sheet stacking and transferring device

1985-06-27

1987-05-26

Paperner, Leslie J.

Material or article handling

With weighing

198644, 198692, 271 70, 271 84, 271175, 271196, 271218, 414 27, 414 43, 414 72, B65G 5708, B65H 2940, B65H 3132

Patent

active

046681485

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 directions 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: 4270980 (1981-06-01), Lehmacher
patent: 4357126 (1982-11-01), Kidd et al.
patent: 4436472 (1984-03-01), Kunzmann

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