Automatic article handling methods and apparatus

Details Automatic article handling methods and apparatus Automatic article handling methods and apparatus

1987-01-29

1988-09-20

Paperner, Leslie J.

Material or article handling

With weighing

294 2, 2941191, 294 907, 414 71, 414741, 414786, B65G 5724

Patent

active

047721707

ABSTRACT:
A method of stacking boxes, cases, cartons, crates or the like using a computer-controlled apparatus having a lifting grab fitted with two independently movable grippers between which a box to be lifted may be clamped. In a first step, the grab is positioned at a loading station, the grippers are relatively separated and then the grab is lowered over the next box to be stacked. One gripper is then moved to a datum position and the other gripper is moved towards said one gripper so as to clamp a box therebetween. The grab is raised and moved together with the clamped box to a stacking station whereat the grab is finely positioned to have the box correctly placed in the stack under assembly with said one gripper alongside a previously stacked box. The lifted box is released by moving said other gripper away from said one gripper and then the grab is raised clear of the stack without disturbing the placement of the last-lifted box.

REFERENCES:
patent: 2783078 (1957-02-01), Billner
patent: 3586176 (1971-06-01), Rackman et al.
FMC Robot Palletizer Brochure FMC Corp. Hoopeston, Ill.

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