US PATENT SUBCLASS 431 / 275
.~.~.~ Stored energy actuated; detent, latch or overcenter release

Current as of: June, 1999
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431 /   HD   COMBUSTION

267  DF  FRICTIONAL, CHEMICAL OR PERCUSSIVE TYPE IGNITER {3}
273  DF  .~ Spark projecter, e.g., flint and abrasive striker, etc. {3}
274  DF  .~.~ Mechanical movement operated abrasive member {1}
275.~.~.~ Stored energy actuated; detent, latch or overcenter release

DEFINITION

Classification: 431/275

(under subclass 274) Apparatus wherein energy is stored in the means for moving the abrasive member, e.g., a spring etc., and a means is included to suddenly release the stored energy to cause the abrasive member to move over the element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

136, for a burner in which the release of a latch frees a cover to spring open and rotate an abrasive wheel; and subclass 137 for the quick activation of an abrasive member by release of stored energy correlated with burner cover motion.