Lithographic plate transfer system

Details Lithographic plate transfer system Lithographic plate transfer system

1988-04-08

1989-08-15

Spar, Robert J.

Material or article handling

Plural, static structures for supporting discrete loads and...

Load-underlying members

414331, 1984871, 1984689, B65G 4700

Patent

active

048569550

ABSTRACT:
Described herein is a lithographic plate transfer system composed of a lithographic plate pickup conveyor (10), a transfer conveyor (30) and an allocator (60). The plate pickup (10) is provided with a lift for hooking and lifting up lithographic plates delivered by conveyors (12, 14), and a transfer device (24) for transferring lithographic plates to a transfer conveyor (30). The transfer conveyor (30) is provided with a gripper (40) for gripping a folded upper end (S1) of the lithographic plate, and cam mechanisms (50, 50') adapted to open and close the gripper at loading and unloading positions between the pickup and allocator. The allocator (60) includes a mechanism for allocating unloaded lithographic plates from the transfer conveyor (30) to shelves (62, 64).

REFERENCES:
patent: 1271906 (1918-07-01), Juengst
patent: 1828516 (1931-10-01), Wagner et al.
patent: 1876171 (1932-09-01), Rosener
patent: 1907894 (1933-05-01), Stevens et al.
patent: 1951400 (1934-03-01), Dvorak
patent: 3412841 (1968-11-01), Couch et al.
patent: 3681607 (1972-08-01), Hartman, III
patent: 4605212 (1986-08-01), Kobler

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