Advancing material of indeterminate length – Processes – Involving registration of material
Patent
1974-12-30
1977-01-11
Schacher, Richard A.
Advancing material of indeterminate length
Processes
Involving registration of material
226 33, 226134, B65H 2318
Patent
active
040022790
ABSTRACT:
There is disclosed a method of feeding record webs or sheets and apparatus for carrying out the method. The record feeding apparatus is shown in conjunction with a printing apparatus having a print head assembly, platen structure, a mechanism for severing a printed record from the remainder of the record and an inking mechanism. The record feeding apparatus includes an edge guide, a rotatable feed wheel having a planar frictional surface which engages one face of the web to exert a resultant drive force on the record when driven, the resultant force being comprised of a force vector of large magnitude extending in the longitudinal direction for feeding the record longitudinally and a force vector of small magnitude extending in the lateral direction for causing the record to be driven laterally to cause its side edge to be in guided contact with the edge guide. A roll cooperates with the frictional surface to provide a pinch point disposed either upstream longitudinally of the rotational axis and laterally between the rotational axis and the edge guide or downstream longitudinally of the rotational axis and laterally beyond the rotational axis.
REFERENCES:
patent: 3572565 (1971-03-01), Steggall
patent: 3733018 (1973-05-01), Breimayer
Grass Joseph J.
Monarch Marking Systems, Inc.
Schacher Richard A,.
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