US PATENT SUBCLASS 431 / 307
.~.~.~ Rack and pinion
Current as of:
June, 1999
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431 /
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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.