US PATENT SUBCLASS 226 / 157
.~.~.~ Ratcheted roll

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

120  DF  BY INTERMITTENT (INTERRUPTED) MATERIAL-MOVER {13}
152  DF  .~ Comprising material-moving roll {3}
156  DF  .~.~ Unidirectional {1}
157.~.~.~ Ratcheted roll

DEFINITION

Classification: 226/157

(under subclass 156) Device provided with a peripherally toothed disc and oscillating pawl drivingly engaging the disc to move the roll*.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclasses, particularly

575+, for ratchet systems, per se.