Device for steering and tensioning a web
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 9, 2001
app pub date -
Feb 5, 2001
filing date -
Feb 5, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A device for actively steering and tensioning a web as it moves along a predetermined path is described. The web is partially wrapped around a rotatable guide roller. A first end of the guide roller is carried on a tiltable support member. The opposite end is attached to a pivotal bearing. A non-contact sensor is positioned to detect lateral misalignment of the web. A control device responsive to the sensor controls the tilting of the support member thereby to correct for lateral misalignment of the web. Pressure devices exert a predetermined pressure on each end of the guide roller independently of the position of the tiltable support member, to push the guide roller towards the web to generate the desired tension.
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