US PATENT SUBCLASS 431 / 307
.~.~.~ Rack and pinion

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
307.~.~.~ Rack and pinion

DEFINITION

Classification: 431/307

(under subclass 304) Apparatus wherein the means for moving the wick includes structural means forming a rack and engaging the wick, and a pinion meshing with the rack for reciprocating the rack and wick in a longitudinal direction.