Device for transporting materials in strip, sheet, or filament f

Details Device for transporting materials in strip, sheet, or filament f Device for transporting materials in strip, sheet, or filament f

1990-02-15

1991-12-17

Stodola, Daniel P.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

With control or adjustment means

226186, B65H 2000

Patent

active

050728725

ABSTRACT:
Feeders for transporting materials in strip, sheet, or filament form include an adjustable stop mechanism for setting the clearance between feed rolls. The stop mechanism allows the rolls to be moved apart to release the material form the rolls. In one embodiment, the stop mechanism includes a spring, the force of which is overcome to allow release of the rolls. The stop mechanism includes an eccentric mounting for precisely setting clearance between feed rolls. In another embodiment, a pair of articulated levers are provided, a first of which carries an adjustment screw bearing against the second lever. A cam engages the second level to cause the rolls to move to a material-releasing position. The cam can be driven by the drive system of machine on which the feeder is mounted so that the material can be released in relation to machine operation.

REFERENCES:
patent: 2783996 (1957-05-01), Forkner
patent: 2873968 (1959-02-01), Grobman
patent: 3067999 (1962-12-01), Skeen
patent: 3277856 (1966-10-01), Ricci
patent: 3493159 (1970-02-01), Balunoz, Jr. et al.
patent: 3661310 (1972-05-01), Gross
patent: 4043494 (1977-08-01), Bickford et al.
patent: 4048831 (1977-09-01), Fabian et al.
patent: 4119256 (1978-10-01), Vogtmannetal
patent: 4759485 (1988-07-01), Braun et al.

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