US PATENT SUBCLASS 74 / 132
.~.~.~.~ Inwardly facing racks

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  DF  .~.~.~ Multiple acting {1}
132.~.~.~.~ Inwardly facing racks

DEFINITION

Classification: 74/132

(under subclass 131) Mechanisms, in which the driving member is provided with inwardly facing rack teeth and is effective in both directions of its movement to impart motion to the driven member.