Web feeding apparatus

Details Web feeding apparatus Web feeding apparatus

1988-06-06

1990-04-03

Hornsby, Harvey C.

Advancing material of indeterminate length

Passive guide

226168, 242 76, B65H 2326, B65H 2700

Patent

active

049133306

ABSTRACT:
A web feeding apparatus according to the present invention feeds in one direction a thermal transfer ribbon as a web with low transverse rigidity clamped between a platen roller and a recording head having a predetermined printing range. The web feeding apparatus comprises support members disposed on the lower-course side of the platen roller with respect to one direction and adapted to increase tension on the thermal transfer ribbon at each side edge portion thereof along one direction.

REFERENCES:
patent: 2177727 (1939-10-01), Krakaur
patent: 2358065 (1944-09-01), Hale
patent: 2980306 (1961-04-01), Sullivan
patent: 3271835 (1966-09-01), Hadley
patent: 3306548 (1967-02-01), Polder
patent: 3414954 (1968-12-01), Alexeff
patent: 3586229 (1971-06-01), Kamada et al.
patent: 4408212 (1983-10-01), Moriguchi et al.
patent: 4421428 (1983-12-01), Noda et al.

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