Sheet feeding apparatus with cooperating endless belts

Details Sheet feeding apparatus with cooperating endless belts Sheet feeding apparatus with cooperating endless belts

1986-12-22

1987-10-06

Crowder, Clifford D.

Typewriting machines

Sheet or web

Including friction-feed means

198592, 198604, 198628, 271274, 271198, B65H 502, B41J 1308

Patent

active

046979441

ABSTRACT:
A sheet feeding apparatus includes a first elongated drive belt assembly (52) which is driven by, and is pivotable about the axis of, a first drive shaft (86) mounted adjacent one end of this assembly (52), and a second elongated drive belt assembly (50) which is mounted in coopertive relationship with respect to the first belt assembly (52) and which is driven by, and pivotable about the axis of, a second drive shaft (72) spaced inwardly from both ends of the second belt assembly (52). The two belt assemblies (50, 52) are pivotally movable under the control of a single solenoid between closed positions in which the belt assemblies are in cooperative relationship with respect to each other for feeding a sheet therebetween towards an exit solt (26), and open positions in which the cooperating surfaces of the belt assemblies (50, 52) are spaced apart to facilitate the entry of a sheet between the belt assemblies (50, 52) at an entry location (169).

REFERENCES:
patent: 1033951 (1912-07-01), Sargent
patent: 1170053 (1916-02-01), Droitcour
patent: 2880998 (1959-04-01), Middleton et al.
patent: 3044767 (1962-07-01), Winkler et al.
patent: 3132737 (1964-05-01), Moon et al.
patent: 3227344 (1966-01-01), Rutter
patent: 3266799 (1966-08-01), Ingalls
patent: 3485489 (1969-12-01), Lindquist
patent: 4534550 (1985-08-01), Reist
patent: 4585432 (1986-04-01), Marysse

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