Advancing material of indeterminate length – By intermittent material-mover – Comprising material-moving roll
Patent
1987-12-09
1988-10-11
Levy, Stuart S.
Advancing material of indeterminate length
By intermittent material-mover
Comprising material-moving roll
226154, 226158, 226149, 226161, B65H 1736, B65H 2002, B65H 2004
Patent
active
047765054
ABSTRACT:
A roll feed apparatus for intermittently feeding a strip by a constant length into manufacturing machines. A pair of first and second rolls and a pair of first and second brake shoes are arranged along a strip transporting path. The rolls move swingingly in a strip transporting direction to transport the strip clamped between the rolls. The rolls move away from each other when they swingingly move in a direction opposite to the strip transporting direction. First and second cams are mounted respectively on outer and inner shaft members of a drive shaft for rotation therewith. The inner shaft member can be adjusted in its angular position relative to the outer shaft member. The cams are operatively connected to the second brake shoe. The cams can be positioned at such a relative position therebetween that the cams cause the brake shoes to clamp the strip therebetween to fix the strip during a period for which the rolls do not transport the strip, and at a point of time during the period, one of the cams causes the brake shoes to release the strip temporarily.
REFERENCES:
patent: 4415108 (1983-11-01), Katoh
Levy Stuart S.
Sankyo Manufacturing Co. Ltd.
Sohacki Lynn M.
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