Printing – Special article machines
Patent
1976-08-06
1978-01-17
Crowder, Clifford D.
Printing
Special article machines
101 72, 101 85, B41F 1726
Patent
active
040685780
ABSTRACT:
A sequence numbering code marking device includes a rotary drum housing, a stroke actuated sequential numbering printing head operated by a pivotally mounted trip lever which is eccentrically mounted on a center post to trip the counter with each revolution of the drum. Means are provided to positively cause rotation of the drum by each passing article and an improved null return mechanism is provided to cause the drum to stop its rotation at a preselected position after each rotation.
REFERENCES:
patent: 941110 (1909-11-01), Sykes
patent: 1274831 (1918-08-01), Woodward
patent: 1569085 (1926-01-01), Heyne, jr.
patent: 3122993 (1964-03-01), McKay
patent: 3624730 (1971-11-01), Gottscho
patent: 3702000 (1972-10-01), Delligatti
patent: 3808970 (1974-05-01), Delligatti
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