Apparatus for destacking flexible flat structures

Details Apparatus for destacking flexible flat structures Apparatus for destacking flexible flat structures

1977-07-25

1978-11-28

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 35, 271102, 271106, B65H 508

Patent

active

041272625

ABSTRACT:
An apparatus for destacking a stack of flexible flat structures, especially unfolded or folded sheets or printed products, comprising a stack support composed of revolving driven rolls and contact rails disposed above the stack support for defining a stack support surface. A separation device is arranged below the stack support and revolvingly driven in cycle or rhythm with the arriving rolls in order to continuously downwardly remove an edge of the momentarily lowermost flat structure between the arriving rolls. A conveyor device engages below the stack support for the removal of the printed products which have arrived beneath the stack support. The stack support surface is arranged to be at an inclination or directed obliquely at one of its corners towards the direction of movement of the rolls. The separation device comprises a single pre-separation element and guide means in order to displace the separation element at the region of said corner of the stack support surface from the top towards the bottom to thereafter remove such in the revolving direction out of the region of the stack support surface. The conveyor device possesses an endless, continuously driven conveyor element.

REFERENCES:
patent: 1876606 (1932-09-01), Bushnell
patent: 3356363 (1967-12-01), Ehlscheid
patent: 3552740 (1971-01-01), Hepp

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