US PATENT SUBCLASS 74 / 131
.~.~.~ 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}
130  DF  .~.~ Rack actuator {2}
131.~.~.~ Multiple acting {1}
132  DF  .~.~.~.~> Inwardly facing racks

DEFINITION

Classification: 74/131

(under subclass 130) Mechanisms, in which a single driving member having rack teeth is capable of imparting motion to the driven member in both directions of its movement or in which a plurality of driving members having rack teeth are adapted to impart motion to the driven member in sequence.