B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/53, 116/66
B65H 26/00 (2006.01) B41J 35/36 (2006.01)
Patent
CA 1087585
MEANS AND METHOD FOR PROVIDING INDICATION OF END PORTION OF WEB MATERIAL ABSTRACT OF THE DISCLOSURE Method and apparatus for providing an indication of when the web material remaining on the supply spool has been depleted to a predetermined amount, such as the end portion. An end portion of the web material to coupled to the supply spool hub and a predetermined amount of the web material is wound onto the spool in a first direction. The web material is then folded back onto itself and the remaining amount of web material to be placed on the supply spoolis wound onto the spool in a second and opposite direction. As the web materialis removed from the supply spool, the supply spool hub and/or the shaft for the supply spool will reverse direction of rotation upon reaching the portion of theweb material, which has been folded back onto itself. Also, the angle and point of departure of the web material from the supply spool hub will change. The change in rotational direction and/or the change in the angle or point of departure of the web material from the spool are sensed to indicate the web material on the spool has been depleted to the end portion.
303231
Sim & Mcburney
Xerox Corporation
LandOfFree
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