US PATENT SUBCLASS 226 / 171
.~.~ With cooperating surface

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}
170  DF  .~ On endless belt or chain {2}
171.~.~ With cooperating surface {1}
172  DF  .~.~.~> Comprising endless belt or chain

DEFINITION

Classification: 226/171

(under subclass 170) Device provided with another material-engaging face wherein the material is disposed between the face of the endless member and said other face.

(1) Note. Included herein are patents disclosing devices

wherein the other face is on, or a part of, a roll*.

(2) Note. The cooperating surface need not be orbitally traveling.