US PATENT SUBCLASS 74 / 556
.~.~.~.~.~ Releasable

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}
543  DF  .~.~ Handles {6}
552  DF  .~.~.~ Hand wheels {5}
555  DF  .~.~.~.~ Pivoted {1}
556.~.~.~.~.~ Releasable

DEFINITION

Classification: 74/556

(under subclass 555) Pivoted hand wheels with locking means

for holding the hand wheel in a predetermined position relative to its pivotal axis.

SEE OR SEARCH CLASS

70, Locks,

207, 224, for the locking means, per se.