US PATENT SUBCLASS 74 / 136
.~.~.~ Multiple 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}
136.~.~.~ Multiple acting {1}
137  DF  .~.~.~.~> Spring or weight return

DEFINITION

Classification: 74/136

(under subclass 126) Mechanisms, in which a single driving

member in the form of a strap, chain, belt, etc., is adapted to impart motion to the driven member in both directions of its movement or in which a plurality of straps are adapted to impart motion to the driven member in sequence.