US PATENT SUBCLASS 431 / 136
.~.~ Abrasive wheel moves with cover about a common axis

Current as of: June, 1999
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431 /   HD   COMBUSTION

129  DF  BURNER HEAD COVER OPERATIVELY INTERRELATED WITH IGNITER {8}
135  DF  .~ Cover, latched closed, biased open; igniter actuated on release {1}
136.~.~ Abrasive wheel moves with cover about a common axis

DEFINITION

Classification: 431/136

(under subclass 135) Apparatus in which the igniter includes a flint and an abrasive wheel; the wheel being coaxial with the hinge of the cover or cap and mounted to rotate with the cover or cap as it moves toward open position.