Roll feed apparatus

Details Roll feed apparatus Roll feed apparatus

1982-10-21

1984-10-09

Christian, Leonard D.

Advancing material of indeterminate length

By intermittent material-mover

With means to effect feed and retrograde movement

226165, B65H 1726

Patent

active

044756780

ABSTRACT:
A roll feed apparatus suited for use in automatic manufacturing machines, in feeding a sheet-like material intermittently. The apparatus comprises a main sector roll and a sub-sector roll adapted to cooperate with each other in clamping therebetween the sheet-like material and in feeding the same. The main sector roll and the sub-sector roll are operatively connected to each other through sector gears. The main sector roll is operatively connected to a rocker shaft which is adapted to be rocked in rotational direction so that the main sector roll and, hence, the sub-sector roll are made to rock as the rocker shaft makes a rocking rotation. A connection device is provided for operatively connecting the main sector roll to the rocker shaft in such a manner that the rocking angle of the main sector roll for a given rocking angle of the rocker shaft is changeable. The apparatus further has a roll release device adapted to release the sheet material from the clamping by the rolls when the rolls are reversed, and a braking device for fixing the sheet material against movement during reversing of the rolls.

REFERENCES:
patent: 4032056 (1977-06-01), Ito
patent: 4282779 (1981-08-01), Kato
patent: 4304348 (1981-12-01), Kato
patent: 4415108 (1983-11-01), Katoh

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