Patent
1975-05-07
1977-06-14
Werner, Frank E.
214 1C, 214 6BA, 214 85G, 214152, 93 93C, B65G 4790
Patent
active
040292169
ABSTRACT:
A method and a machine for moving a stack of flat corrugated board sheets from a stacker to a delivery locus. A carriage is supported for fore-and-aft horizontal movement along a main frame and has a transverse frame member supported on said carriage for vertical movement, both the horizontal and vertical movement being power driven. A first series of vertical, horizontally perforated plates is secured against rotation to the transverse frame member, and a second series of vertical plates is supported so that they can be moved toward and away from the first plates by power means; the second plates have a series of horizontal pins projecting therefrom and aligned with the perforations through said first plates. When a desired number of corrugated board sheets have been stacked, the second plates are moved toward and against the first plates so as to project the pins into some of the flutes of the stacked corrugated board sheets, including a substantial number of flutes of the bottommost sheet and a substantial number of flutes in other sheets. Then the stack may be lifted and moved to a desired location and there stripped from the pins.
REFERENCES:
patent: 3187917 (1965-06-01), Miller
patent: 3834290 (1974-09-01), Nelson
Adams Clifton G.
Coltrin George E.
Dallas Carl B.
Georgia-Pacific Corporation
Werner Frank E.
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