Swing-away colorhead for offset duplicator

Printing – Multicolor – Rotary machines

Patent

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Details

101136, 101351, B41F 518

Patent

active

048965995

ABSTRACT:
A second color print head attachment for an offset duplicator including a plate cylinder carrier 20 and an inker carrier 70 arranged to be pivotally secured to a side frame 11 of an offset duplicator press 10. A first pair of register pins 100 and 102 mounted on the inker carrier 70 are received in openings 21 and 23 formed in the plate cylinder carrier 20 for detachably securing inker form rollers 75, 76, and 77 in engagement with the printing plate 35. A pair of rollers 64 and 66 on the plate cylinder carrier 20 extend into guide slots 54 and 56 in a mounting bracket 50 secured to the duplicator press frame 12. The lock-up mounting bracket 50 and the hinge mounting bracket 40 are pivotally secured to the duplicator press frames for rotation by an eccentric actuator 110, 115 for moving the printing plate 35 into engagement with the blanket cylinder 16 in the duplicator press 10. The inker carriage 70 and the plate cylinder carriage 20 can be swung away from the blanket 16 of the duplicator press either separately or in combination.

REFERENCES:
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Dahlgren Product Data Bulletin, Duplicator and Small Press Dampener.
Graphics Arts Monthly/Sep. 1984, p. 27, Hamada Advertisement.
Toko Offset 4700 CD Brochure.
Shinohara 52, Heavy-Duty Sheet-Fed Single Color Offset Press with Swing-Away Type Numbering and Second-Color Imprinting Unit.
Shinohara 66, Heavy-Duty Sheet-Fed Single Color Offset Press with Swing-Away Type Numbering and Second-Color Imprinting Unit.
Shinohara 52IIP, Heavy-Duty Sheet-Fed Two Color Convertible Perfector with Swing-Away Type Numbering, Second Color Imprinting Unit and Perforating Equipment (Option).
Roller Diagram of Solna C96 with Dahlgren Dampeners, 1980 Installation Sketch.
Dahlgren Dampener Installation for Goss 23-9/16".times.38" Offset Press, 1969 Installation.
Lith-O-Roll, Catalog and Price List, Jan. 1, 1985, p. 58, Schematic View of Ink and Water Rollers for Didde Graphics Tandemer, 17" Offset Printing Unit, Models OP 1713A and OP 1713B.
Shinohara 65IIP Sheet-Fed Two Color Convertible Perfector Offset Press.

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