US PATENT SUBCLASS 74 / 51
.~.~ Crank and multiple pitmans

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

*  DD  MECHANICAL MOVEMENTS {15}
25  DF  .~ Rotary to or from reciprocating or oscillating {20}
51.~.~ Crank and multiple pitmans

DEFINITION

Classification: 74/51

(under subclass 25) Mechanisms, including a crank and more than one pitman.