US PATENT SUBCLASS 74 / 138
.~.~.~ Single acting

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

111  DF  MECHANICAL MOVEMENTS (INTERMITTENT GRIP TYPE) {3}
126  DF  .~ Oscillation or reciprocation to intermittent unidirectional motion {5}
*  DD  .~.~ Strap actuator {2}
138.~.~.~ Single acting {2}
139  DF  .~.~.~.~> Engine starter type {1}
141  DF  .~.~.~.~> Spring or weight return

DEFINITION

Classification: 74/138

(under subclass 126) Mechanisms, in which the driving member is in the form of a strap, chain, or belt and is effective in only one direction of movement to impart motion to the driven member.