US PATENT SUBCLASS 226 / 181
.~ Comprising rotary pinch pair

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

168  DF  BY ORBITALLY TRAVELING MATERIAL-ENGAGING SURFACE(S) {7}
181.~ Comprising rotary pinch pair {5}
182  DF  .~.~> Including radial material-engaging surface
183  DF  .~.~> Including means to ensure arcuate engagement
184  DF  .~.~> Tapered roll or bite
185  DF  .~.~> Including equal-diameter coaxial rolls
186  DF  .~.~> Yieldable bite {1}

DEFINITION

Classification: 226/181

(under subclass 168) Device including two instrumentalities, each having material engaging surfaces, between which surfaces the material is disposed, said instrumentalities, during engagement with the material, each being rotated-about an axis-in a material-advancing direction.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

352.4+, 354+, 418+, 535+, and 564.3+ for a winding, tensioning, or unwinding device that includes material feeding means.