Web tracking device with ramp support

Details Web tracking device with ramp support Web tracking device with ramp support

1991-07-11

1995-03-14

Stodola, Daniel P.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

B65H 2300

Patent

active

053970438

ABSTRACT:
A web tracking device includes a tensioning and steering roller that is movable to apply tension to a web uniformly across its width and that can be tilted in response to the tendency of the web to drift laterally to steer the web and thereby maintain it within a predetermined path. The steering position of the roller is established by roller supporting structure including a support cooperating with a ramp such that the tilt of the roller is effected by relative lateral movement between the ramp and the support. The same elements of the roller supporting structure that define the steering position of the roller also at least partially support the roller to provide for the roller movement by which the web is uniformly tensioned.

REFERENCES:
patent: 3973446 (1976-08-01), Vasilantone
patent: 4174171 (1979-11-01), Hamaker et al.
patent: 4197002 (1980-04-01), Hamaker et al.

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