Apparatus for unloading blocks of blanks that are stacked on pal

Details Apparatus for unloading blocks of blanks that are stacked on pal Apparatus for unloading blocks of blanks that are stacked on pal

1996-05-17

1998-04-14

Merritt, Karen B.

Material or article handling

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

Unstacking apparatus

901 47, 294907, B65G 5902

Patent

active

057384860

ABSTRACT:
An apparatus for unloading blocks that are stacked on pallets and have flat separators interposed between the blocks is provided. The apparatus has a three-dimensionally controlled and movable pick-up head on which is disposed an approximately horizontally oriented insertion tool that terminates in a pointed insertion tip. The insertion tool is adapted by means of a horizontal movement to extend below a respectively to be removed block of blanks. In order to recognize an improperly taken up block of blanks prior to further processing thereof, a sensor unit is provided that cooperates with a reflective element that is disposed on the underside of the insertion tool. This makes it possible to inspect if a portion of the bottom blank is disposed below the insertion tool. A block of blanks that has been recognized as improper is initially separated out.

REFERENCES:
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patent: 4789295 (1988-12-01), Boucher, Jr. et al.
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patent: 5244340 (1993-09-01), Pizzi et al.
Volker Giesslar; Optisch-elektronische . . . Wellpappe; May 1969 pp. 626-628.
Reflex scanning units; Jun. 30, 1983.

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