US PATENT SUBCLASS 226 / 86
.~.~ With additional means to support material

Current as of: June, 1999
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226 /   HD   ADVANCING MATERIAL OF INDETERMINATE LENGTH

52  DF  MEANS TO ENGAGE LONGITUDINALLY SPACED MODIFICATIONS IN MATERIAL {8}
76  DF  .~ Rotating sprocket (e.g., pin-wheel) {6}
86.~.~ With additional means to support material

DEFINITION

Classification: 226/86

(under subclass 76) Device provided with means other than the sprocket periphery to hold material against the force of gravity.