US PATENT SUBCLASS 74 / 121
.~.~.~.~ Adjustable throw


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

111  DF  MECHANICAL MOVEMENTS (INTERMITTENT GRIP TYPE) {3}
112  DF  .~ Rotary to intermittent unidirectional motion {3}
116  DF  .~.~ Rotary crank or eccentric drive {4}
120  DF  .~.~.~ Rack and pinion transmitter {1}
121.~.~.~.~ Adjustable throw


DEFINITION

Classification: 74/121

(under subclass 120) Mechanisms, in which the parts include rack and pinion transmitting elements, and means are provided for varying the extent of effective movement of those elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, for adjustments other than by changing the throw for this mechanical movement.