Web aligning apparatus

Details Web aligning apparatus Web aligning apparatus

1973-08-10

1976-06-29

Schacher, Richard A.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

B65H 2526

Patent

active

039661059

ABSTRACT:
A web aligning apparatus is disclosed wherein a web path correcting tilt frame is mounted for tilting movement between the laterally spaced side plates of the tilt frame support structure. The tilt frame includes a pair of laterally spaced frame members which extend generally longitudinally of the path of travel of the web through the apparatus and which rotatably support a pair of steering rollers therebetween. The axes of the steering rollers extend generally transversely to the path of travel of the web through the apparatus. A pair of elongated links respectively connect the tilt frame members with the support structure side plates and are arranged so that the instantaneous center of rotation of the tilt frame is located outside the perimeter of the tilt frame and shifts along an arcuate path that extends laterally of the path of travel of the web with tilting movements of the tilt frame.

REFERENCES:
patent: 3583615 (1971-06-01), Ott
patent: 3724732 (1973-04-01), Bonner

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