Long stroke attachment for a screen printing machine

Details Long stroke attachment for a screen printing machine Long stroke attachment for a screen printing machine

1978-08-24

1980-11-18

Burr, Edgar S.

Printing

Stenciling

Traveling-inker machines

101124, B05C 1704

Patent

active

042338972

ABSTRACT:
A screen printing machine is described which multiplies the normal carriage stroke of a printing machine to allow printing on the surfaces of large objects of revolution. The drive means comprises a sprocket-chain assembly with a chain connected to the carriage drive for following its lateral reciprocal movement. The sprocket is fixedly mounted in axial alignment with a pinion gear for rotation about that axis. The pinion gear in turn is engaged with a rack gear mounted on the screen. As the sprocket rotates, the pinion gear drives the rack and screen in lateral motion. The ratio of pinion gear diameter size to sprocket diameter size governs the stroke length of the screen. With a large (2 to 1 or 3 to 1) ratio the screen stroke or lateral movement of the screen may be doubled or tripled in length.

REFERENCES:
patent: 915229 (1909-03-01), Shields
patent: 3090300 (1963-05-01), Dubuit
patent: 3762318 (1973-10-01), Dubuit

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