US PATENT SUBCLASS 242 / 485
.~.~.~ Running material sensor

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

470  DF  HELICAL OR RANDOM WINDING OF MATERIAL {17}
484.6  DF  .~ Including particular drive {7}
484.9  DF  .~.~ Having winding state-controlled stop {2}
485.~.~.~ Running material sensor {4}
485.1  DF  .~.~.~.~> Having take-up package sensor
485.2  DF  .~.~.~.~> Break or exhaust responsive (absence of material) {1}
485.4  DF  .~.~.~.~> Thickness variation responsive
485.5  DF  .~.~.~.~> Material length responsive

DEFINITION

Classification: 242/485

Running material sensor:

(under subclass 484.9) Subject matter in which the condition of the material at a point spaced from the take-up is detected.