Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1988-02-18
1989-07-04
Shaver, Kevin P.
Sheet feeding or delivering
Feeding
By means to convey sheet
271272, 271115, 226142, 226146, 226162, B65H 510
Patent
active
048444448
ABSTRACT:
A roll feed apparatus has first and second rolls for gripping a plate when rotated in first directions and moving from each other when rotated in second directions, and first and second brake pieces for fixing the plate during rotation in the second direction. A pivot body has support portions along its length for rotatably supporting a first roll shaft at opposite ends. A pair of pivot shafts parallel to the first roll shaft are rotatably connected to the pivot body and a housing and eccentric with respect to each other. First and second adjusting arms are fixed to the shafts; third and fourth adjusting arms are pivotally fitted to the support portions and support the first brake piece. A first adjusting device with first and second links coupled to the first and second adjusting arms moves portions of the first roll and first brake piece located next to first and second arms towards or away from the second roll and the second brake piece by pivoting these arms. Third and fourth links coupled to the third and fourth arms move portions of the first brake piece located next to third and fourth arms with respect to the second brake by pivoting these arms. A second adjusting device moves the first roll and the first brake piece in parallel with respect to the second roll and second brake piece by pivoting the pivot body.
REFERENCES:
patent: 2946588 (1960-07-01), Pityo
patent: 4029251 (1977-06-01), Johnson
patent: 4415108 (1983-11-01), Katoh
patent: 4549683 (1985-10-01), Kato
patent: 4601420 (1986-07-01), Kato
patent: 4634034 (1987-01-01), Kato
patent: 4638990 (1987-01-01), Kato
patent: 4638991 (1987-01-01), Kato
Bollinger David H.
Sankyo Manufacturing Company Ltd.
Shaver Kevin P.
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