US PATENT SUBCLASS 84 / 306
.~.~.~.~ Worm gear


Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
290  DF  .~.~ Details {15}
297 R  DF  .~.~.~ Strings and fastenings {9}
306.~.~.~.~ Worm gear


DEFINITION

Classification: 84/306

Tuning devices having a worm-gear. Sometimes called "machine head" or "patent head".