Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1974-07-26
1976-02-03
Blunk, Evon C.
Sheet feeding or delivering
Feeding
Separator and conveyor
271106, B65H 326
Patent
active
039360431
ABSTRACT:
A case magazine and case stripper part of a case opening, loader sealer machine, including longitudinal case slide rails for supporting a vertical stack of unopened, horizontal, flat folded cases, lug devices mounted on a carriage that is longitudinally reciprocated by an endless chain drive to remove the lowermost case from the stack and push the lowermost case forwardly along the slide rails as the carriage moves forwardly, vertical stack support magazine brackets locates adjacent the corners of the stack extending upwardly from adjacent the elevation of the slide rails, and being mounted to be selectively adjustably positioned longitudinally and transverse relative one another, vacuum cup assemblies on opposite transverse sides of the slide rails for pivoting transversely opposite lowermost flaps about fold lines to a given angle of inclination and then release the flaps, spring hold down mechanism for retaining the flaps at said angle while permitting the flaps to be translated forwardly and control mechanism for the vacuum cup assemblies. The carriage mounts the gripper lug devices for engaging the inclined flaps and moving the lowermost case forwardly of the magazine brackets while the flaps are being retained at said angle.
REFERENCES:
patent: 1665937 (1928-04-01), Smith
patent: 2336499 (1943-12-01), Murch et al.
patent: 2727740 (1955-12-01), Johnson
patent: 3008384 (1961-11-01), Pierce, Jr.
patent: 3627309 (1971-12-01), Ganz
Lieder Gaylerd
Rawlins Philip G.
Bemis Company Inc.
Blunk Evon C.
Saifer Robert
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