US PATENT SUBCLASS 74 / 500
.~.~.~.~.~ Worm

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
491  DF  .~ Hand operated {4}
492  DF  .~.~ Steering posts {4}
496  DF  .~.~.~ Motion translating mechanism {2}
498  DF  .~.~.~.~ Gear type {2}
500.~.~.~.~.~ Worm

DEFINITION

Classification: 74/500

(under subclass 498) Mechanisms in which worm gearing is used.

SEE OR SEARCH THIS CLASS, SUBCLASS:

425+, for worm gearing, per se.