Drive roller assembly

Details Drive roller assembly Drive roller assembly

2005-11-01

2005-11-01

Matecki, Kathy (Department: 3654)

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Comprising rotary pinch pair

C226S182000, C226S183000, C226S185000, C226S187000, C226S193000

Reexamination Certificate

active

06959849

ABSTRACT:
There are described drive roller assemblies for pulling print media within, or in conjunction with, a printing apparatus. In one embodiment the assembly includes a rigid drive roller having a hard outer surface in conjunction with a pressure roller having a deformable surface. In another embodiment the assembly has a rigid drive roller in conjunction with a plurality of pressure rollers which are adapted for pressing print media against the drive roller over substantially different portions of the drive roller length.

REFERENCES:
patent: 1773933 (1930-08-01), Barr
patent: 4720714 (1988-01-01), Yukio
patent: 4932577 (1990-06-01), Weiss
patent: 5070365 (1991-12-01), Agarwal
patent: 5158380 (1992-10-01), Hauslaib et al.
patent: 5819140 (1998-10-01), Iseki et al.
patent: 6250220 (2001-06-01), Sainio et al.
patent: 295 22 340 (2002-03-01), None
patent: WO 99/62804 (1999-12-01), None

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