US PATENT SUBCLASS 431 / 140
.~.~.~ Gear drive between cover and actuator

Current as of: June, 1999
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431 /   HD   COMBUSTION

129  DF  BURNER HEAD COVER OPERATIVELY INTERRELATED WITH IGNITER {8}
138  DF  .~ Common axis for cover and abrasive wheel {1}
139  DF  .~.~ Actuator (e.g., finger piece) engaged with cover for relative movement {1}
140.~.~.~ Gear drive between cover and actuator

DEFINITION

Classification: 431/140

(under subclass 139) Apparatus wherein the interlinking means between the operating member and the cover includes a gear driven by a rack, ratchet or another gear.