Material or article handling – Apparatus for moving intersupporting articles into – within,... – Unstacking apparatus
Patent
1989-08-29
1990-10-02
Spar, Robert J.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Unstacking apparatus
B65G 5906
Patent
active
049603620
ABSTRACT:
A pallet dispenser to dispense pallets one at a time for the bottom front of a support frame for a stack of pallets. A vertically movable support outside the frame and an element biassing the support to an elevated work position where front and rear linearly movable pallet engaging fingers on the support are aligned with the outer edges of the top battens of the second lowest pallet in a pallet stack in the frame. Biassing structure operative upon raising the pallet stack relative to the support by an outside agency to engage the fingers under the top battens of the second lowest pallet in the stack and engage releasable lock structure to retain the support in an elevated work position. Manual linkage operative subsequent to the removal of the bottom pallet of the stack to release the lock structure and allow the support to lower under the weight of the pallet(s) supported by the fingers and when the support has achieved a lowered work position to withdraw the fingers from the engaged pallet thereby releasing the support to the action of its biassing structure which returns the support to its elevated work position.
REFERENCES:
patent: 3043476 (1962-07-01), Zwarycz
patent: 3757971 (1973-09-01), Frish
patent: 4701092 (1987-10-01), Reynaud et al.
Hienz William M.
Schindler Edwin D.
Spar Robert J.
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