US PATENT SUBCLASS 74 / 561
.~.~.~ Treadles

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

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
*  DD  .~ Elements {8}
560  DF  .~.~ Pedals {3}
561.~.~.~ Treadles

DEFINITION

Classification: 74/561

(under subclass 560) Levers designed to impart motion to a mechanism through a connecting rod and crank.

SEE OR SEARCH CLASS

105, Railway Rolling Stock,

93, for treadle operated trackman's car drives.

451, Abrading,

341, for a double treadle frame or mount for abrading.