Roll media feed roll system

Details Roll media feed roll system Roll media feed roll system

1987-12-10

1989-10-24

Petrakes, John

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Comprising rotary pinch pair

226181, 226191, B65H 2002

Patent

active

048756113

ABSTRACT:
A copy media feed system includes two pair of feed rolls which are horizontally aligned to form nip areas to engage the media. Each feed roll pair comprises one drive roll and one idler roll. For one pair, the drive roll is an elastomer-covered, high friction roll and the idler roll is a hard, roll. For the second pair the drive roll is a hard, high friction roll and the idler roll is an elastomer-covered roll. This arrangement provides accurate control of the media velocity.

REFERENCES:
patent: 3135448 (1964-06-01), Wilson
patent: 3363816 (1968-01-01), Maddock
patent: 3411686 (1968-11-01), Bender
patent: 3834861 (1974-09-01), McCarroll
patent: 3893662 (1975-07-01), Boyd
patent: 4007865 (1977-02-01), Crandall
patent: 4077137 (1978-03-01), Edgington et al.
patent: 4223203 (1980-09-01), Elter
patent: 4559855 (1985-12-01), Schieck

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