US PATENT SUBCLASS 431 / 304
.~.~ Having wick raiser

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.~.~ Having wick raiser {4}
305  DF  .~.~.~> Screw thread on wick carrier
306  DF  .~.~.~> Rotatable threaded rod and follower
307  DF  .~.~.~> Rack and pinion
308  DF  .~.~.~> Reciprocated bar

DEFINITION

Classification: 431/304

(under subclass 302) Apparatus including means for moving the wick section into or out of the flame zone and relative to its support.