High speed ink feed mechanism

Details High speed ink feed mechanism High speed ink feed mechanism

1990-07-16

1994-08-30

Burr, Edgar S.

Printing

Inkers

Roller

101349, 101351, B41F 3100

Patent

active

053417402

ABSTRACT:
An offset printing apparatus rotates the plate cylinder steadily with a minimum of torsional interference caused by impact of the reciprocating ductor roll with the vibrator roll. The ductor roll is reciprocated at a rapid rate to impart a rapid succession of torsional shocks to the vibrator roll and thereby to urge the gear train toward a steady-state condition wherein a level of torsional loading is maintained without substantial change in response to reciprocation of the ductor roll.

REFERENCES:
patent: 2248645 (1941-07-01), Schlesinger
patent: 3563173 (1971-02-01), Harless
patent: 4148256 (1979-04-01), Fischer
patent: 4367678 (1983-01-01), Fischer
patent: 4590856 (1986-05-01), Mamberer et al.

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