Swing apparatus for an offset press auxiliary print unit

Details Swing apparatus for an offset press auxiliary print unit Swing apparatus for an offset press auxiliary print unit

1986-12-09

1989-10-31

Crowder, Clifford D.

Printing

Multicolor

Rotary machines

101177, 101247, B41F 502, B41F 1312

Patent

active

048769584

ABSTRACT:
A swing apparatus for an offset press auxiliary print unit which includes a swing arm detachably mounted on the auxiliary print unit and a vertical support member upon which the arm will pivot through a generally horizontal plane. The swing arm is rotatable and is operably connected to a pair of lifting tines through a parallelogram linkage so as to lift the auxiliary print unit to disengage it from the main press and then swing it horizontally clear of the press. A crank operates a worm gear and sprocket arrangement to rotate the arm and raise or lower the tines. In a second embodiment, a pair of brackets are affixed to a swing arm, and the entire arm is raised and lowered to lift the auxiliary print unit. An electric motor is used to raise and lower the arm.

REFERENCES:
patent: 2845860 (1958-08-01), Mestre
patent: 3521559 (1970-07-01), Sejeck et al.
patent: 3611923 (1971-10-01), Haramia et al.
patent: 3876489 (1975-04-01), Chenel
patent: 4111120 (1978-09-01), Paulson
patent: 4150621 (1979-04-01), Raible

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