US PATENT SUBCLASS 74 / 69
.~.~ Cranks, slidable connections

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

*  DD  MECHANICAL MOVEMENTS {15}
63  DF  .~ Rotary to rotary {6}
69.~.~ Cranks, slidable connections

DEFINITION

Classification: 74/69

(under subclass 63) Mechanisms, in which the motion is changed by cranks which are slidably connected together.