Advancing material of indeterminate length – With material-responsive control means – To position material laterally
Patent
1978-07-24
1980-07-29
Christian, Leonard D.
Advancing material of indeterminate length
With material-responsive control means
To position material laterally
242 571, B65H 2526
Patent
active
042146895
ABSTRACT:
The longitudinally transported strip passes and is pressed between two cooperating transport rollers. The rotation axes of the two rollers are normally parallel to each other. One roller is swingably mounted about a swing axis which intersects and is perpendicular to the rotation axis of the other, non-swingable roller. Edge sensors are displaced by the lateral edges of the transported strip, when the strip improperly shifts transversely. The force thusly exerted upon an edge sensor is transmitted, via a force-multiplying lever system, to the swingable transport roller, swinging the latter to a position such that the swung transport roller exerts upon a major surface of the transported strip a force whose transverse component is directed opposite to the direction of the improper transverse shift, resulting in automatic recentering.
REFERENCES:
patent: 3147898 (1964-09-01), Huck
patent: 4073448 (1978-02-01), Kolosov
Bartel Siegfried
Biedermann Ernst
Muller Martin
Rapp Heinz
AGFA-Gevaert A.G.
Christian Leonard D.
Striker Michael J.
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