Sheet feeding or delivering – Feeding – Separators
Patent
1989-11-14
1990-12-18
Bollinger, David H.
Sheet feeding or delivering
Feeding
Separators
271122, 271262, B65H 352, B65H 304
Patent
active
049781146
ABSTRACT:
The reverse belt drive assembly is mounted to an envelope feeding apparatus. The envelope feeding apparatus includes a deck along which sheet member is caused to traverse by a drive assembly. The reverse belt drive assembly includes a first frame pivotally mounted to the apparatus above the deck and drive assembly. The first frame rotatively supporting a plurality of first and second rollers such that respective ones of the first and second rollers are in longitudinal spaced apart relationship. A first endless belt extends around respective ones of the first and second rollers. A second frame is pivotally mounted to the first frame. The second frame rotatively supporting a plurality of third rollers axially aligned to the first rollers and a plurality of fourth rollers, respective one of the third and fourth rollers being in longitudinal spaced apart relationship and having a second endless belt extending around respective ones of the third and fourth rollers. A plurality of springs biasing the first and second frame members downwardly against the deck. A motor drives the rollers to rotate in a direction opposite to the drive assembly.
REFERENCES:
patent: 1955066 (1934-04-01), Hiller
patent: 3339917 (1967-09-01), Petrovsky
patent: 3970298 (1976-07-01), Irvine et al.
patent: 4085929 (1978-04-01), Tuchiya et al.
patent: 4216952 (1980-08-01), McInerny
patent: 4416449 (1983-11-01), McInerny
patent: 4436298 (1984-03-01), Donner et al.
patent: 4500084 (1985-02-01), McInerny
Bollinger David H.
Parks, Jr. Charles G.
Pitchenik David E.
Pitney Bowes Inc.
Scolnick Melvin J.
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