US PATENT SUBCLASS 74 / 490.1
.~.~.~ Pair of power elements

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

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
479.01  DF  .~ Multiple controlling elements for single controlled element {8}
490.07  DF  .~.~ Power elements as controlling elements {3}
490.1.~.~.~ Pair of power elements

DEFINITION

Classification: 74/490.1

Pair of power elements:

(under subclass 490.07) Subject matter in which there are only two power elements in the linkage system. [figure]