Printing – Inkers – Roller
Patent
1991-03-20
1993-04-27
Burr, Edgar S.
Printing
Inkers
Roller
101DIG38, B41F 3114
Patent
active
052052150
ABSTRACT:
A mechanism for axially oscillating a distribution roller in a printing, duplicating or like machine, in which a drive shaft extends generally coaxially of the distribution roller. The mechanism is operatively associated between the drive shaft and the roller and includes right hand and left hand threads axially spaced of the shaft. A teeter member extends axially of the shaft and is pivotally mounted intermediate its opposite ends on a pivot axis extending generally transverse to the shaft. The teeter member has portions for alternating engagement in the right hand and left hand threads for axially oscillating the distribution roller in response to rotation of the roller. The threads have risers to lift the teeter member out of a respective threads, and a detent device facilitates moving the teeter member into the respective opposite thread.
REFERENCES:
patent: 717138 (1902-12-01), Thomson
patent: 892700 (1908-07-01), Wilson
patent: 1421163 (1922-06-01), Burrows
patent: 1722535 (1929-07-01), Oishei
patent: 3406625 (1968-10-01), Chamness et al.
patent: 3628645 (1971-12-01), McFeaters et al.
patent: 4509379 (1985-04-01), Westmoreland
patent: 4509426 (1985-04-01), Hardin
patent: 4756249 (1988-07-01), Hardin
patent: 4833987 (1989-05-01), Hardin
A.M. International, Inc.
Burr Edgar S.
Yan Ren
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