Method and apparatus for stack separator and restacker

Details Method and apparatus for stack separator and restacker Method and apparatus for stack separator and restacker

1991-12-02

1994-05-24

Huppert, Michael S.

Material or article handling

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

Unstacking apparatus

4147957, 4147959, 414796, B65H 350

Patent

active

053142977

ABSTRACT:
A stack separator and restacker comprises a conveyor, a splitting bar, a multiplicity of lifting bars and hydraulic controls to operate them. The stack separator and restacker splits a stack or package of rigid elongated members, such as lumber, into smaller stacks or packages by first using the splitting bar to raise one end of the top portion of the stack. The lifting bars then raise the entire top portion of the stack. Once the top portion is completely raised, the bottom portion, now of standardized dimensions, is moved along the conveyor. The top portion is then lowered and is either resplit, restacked onto another stack or package, or is moved along the conveyor for further processing.

REFERENCES:
patent: 3989146 (1976-11-01), Lee et al.
patent: 4067455 (1978-01-01), Rysti
patent: 4324519 (1982-04-01), Moore
patent: 4396336 (1983-08-01), Malamood
patent: 4417836 (1983-11-01), Schiepe
patent: 4431358 (1984-02-01), Jenkner
patent: 4781510 (1988-11-01), Smith et al.
patent: 4927321 (1990-05-01), Lucas
patent: 5017085 (1991-05-01), Ishikawa

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