B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
270/15
B41J 11/30 (2006.01)
Patent
CA 1324620
ABSTRACT A feed mechanism for transporting paper has an endless band with transport pins for insertion into the perforations in circular perforations in the paper. The feed pins are part of drive elements attached through perforations in an endless flexible band to gear teeth which are engaged by grooves in a drive pulley. The transport pins have a cap portion on top of a base portion. The cap portion is tapered in the shape of a circular involute and extends from the top of the truncated circular conical base portion. The perforations in the band have the shape of an ellipse with the major axis thereof aligned in the direction of movement of the band. The band can be either thin flexible steel or polymer and the pin portion and gear portion of the drive elements can be integral and molded from an elastomer material through the elliptical perforations in the band.
588789
International Business Machines Corporation
Kerr Alexander
Wilson Joseph T. III
LandOfFree
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