Guide for tractor feed for paper webs in office machine

Details Guide for tractor feed for paper webs in office machine Guide for tractor feed for paper webs in office machine

1981-09-14

1983-11-08

Gilreath, Stanley N.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

On endless belt or chain

226 74, B65H 1734, G03B 130

Patent

active

044137648

ABSTRACT:
A paper web in an office machine is transported from the one side of a transporter (tractor) comprising a transport chain to the printing backing and back again on the other side of the transporter. In the case of multilayer paper webs, notably webs comprising more than four layers, an increasingly larger wave of the paper web tends to in front of the printing backing. In order to avoid such waves, the associated transporters comprise guide pieces for the paperweb which extend from the tractor to the vicinity of the zone of contact between the paper web and the printing backing and whose surface is situated at least substantially in the plane tangential to the printing backing at this zone of contact.

REFERENCES:
patent: 2302704 (1942-11-01), Mabon
patent: 2313888 (1943-03-01), Otis
IBM Technical Disclosure Bulletin, vol. 22, No. 6, (11/79), pp. 2171-2172.

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