Apparatus for transferring a lithographic plate

Details Apparatus for transferring a lithographic plate Apparatus for transferring a lithographic plate

1988-05-02

1989-10-24

Spar, Robert J.

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

For changing both the elevation and the posture of...

198627, 198817, 1984851, B65G 1510

Patent

active

048755702

ABSTRACT:
Apparatus for transferring a lithographic plate (S) from a horizontal conveyor (10) to an overhead conveyor (14) comprises has an elevator (19) in the form of a pair of endless chains (20) travelling around an endless vertical path. The chains (20) carry opposed hooks (22) for engaging a folded end portion (S1) of a lithographic plate and supporting the plate therebetween as the chain conveys the plate to a plate bed (24) on which the plate is deposited and which presents the plates to the overhead conveyor. Guide rails (23) are provided for guiding the hooks apart as the plate is deposited on the plate bed. A pair of elevators (19) may be provided to supply the lithographic plate to either one of a pair of overhead conveyors (14) depending upon the orientation with which the plate is supplied to the apparatus.

REFERENCES:
patent: 2682946 (1954-07-01), King
patent: 4602774 (1986-07-01), Kobler
patent: 4605212 (1986-08-01), Kobler
patent: 4712361 (1987-12-01), Oberoi

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