B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 23/032 (2006.01) B41F 21/00 (2006.01) B41L 21/00 (2006.01) B65H 20/02 (2006.01) B65H 23/02 (2006.01) B65H 23/038 (2006.01) B65H 43/00 (2006.01)
Patent
CA 2292861
A friction drive apparatus (10) includes an edge detection system (55) for determining a lateral position of a strip material (12) advancing in a longitudinal direction. The edge detection system (55) includes a first sensor (58) and a second sensor (56) for monitoring the lateral position of the strip material. The friction drive apparatus (10) also includes instructions for automatically aligning the strip material as the strip material is advanced a predetermined aligning distance and instructions for calibrating the second sensor (56) with respect to the first sensor to compensate for any potential discrepancies therebetween. The apparatus and methods of the present invention ensure that the strip material (12) is properly aligned in the friction drive apparatus (10) and limit waste of strip material during those operations.
Raiola Patrick
Wood Kenneth O.
Yeo Daren
Gerber Scientific Products Inc.
Ridout & Maybee Llp
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