US PATENT SUBCLASS 431 / 305
.~.~.~ Screw thread on wick carrier

Current as of: June, 1999
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431 /   HD   COMBUSTION

298  DF  FIBROUS WICK TYPE FLAME HOLDER {9}
302  DF  .~ Tubular wick having central supporting and air supplying structure {3}
304  DF  .~.~ Having wick raiser {4}
305.~.~.~ Screw thread on wick carrier

DEFINITION

Classification: 431/305

(under subclass 304) Apparatus wherein the means for moving the wick includes a helical section attached to the wick which acts with a portion of the support to elevate the wick.