Advancing material of indeterminate length – Means to engage longitudinally spaced modifications in material – Rotating sprocket
Patent
1976-06-17
1977-07-05
Schacher, Richard A.
Advancing material of indeterminate length
Means to engage longitudinally spaced modifications in material
Rotating sprocket
74436, 226 6, 226 11, 226 89, 226134, 226156, B65H 1722
Patent
active
040334945
ABSTRACT:
A stamp dispensing mechanism has a cylindrical feed wheel, with axially-parallel rows of projections, rotatably mounted on a front portion of a vertical support plate that is constructed to rotatably support a roll of stamps on its rear portion. A Geneva star wheel, rotatably mounted on the plate, is operatively connected to the feed wheel for its step movement with the star wheel. A Geneva driver assembly, rotatably mounted on the plate, has a driver pin on an arm rotated by a motor also mounted on the plate. During one rotation of the arm, the pin moves into and out of a slot of the star wheel for its step movement. An arcuate part of the arm is in a recess in the periphery of a tooth of the star wheel, when the pin is not in the slot, to lock that wheel. The rear portion of the top and bottom walls of a horizontal opening of an enclosure, mounted on the plate forwardly of the feed wheel, provides a rearwardly facing surface, with arcuate grooves, in which the forward chordal section of the feed wheel extends with its projections in the grooves. An arcuate guide with arcuate grooves is pivotally mounted at one end on the plate and lockable at the other end to overlie the feed wheel with its projections in those grooves.
REFERENCES:
patent: 2704395 (1955-03-01), Heidegger
patent: 3255941 (1966-06-01), Edwards
patent: 3655109 (1972-04-01), Stevens
Middleton Charles G.
Volpe Vincent F.
Gard, Inc.
Schacher Richard A,.
White Claron N.
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