US PATENT SUBCLASS 74 / 127
.~.~ Screw and nut devices

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}
127.~.~ Screw and nut devices

DEFINITION

Classification: 74/127

(under subclass 126) Mechanisms, in which the parts include relatively movable screw and nut elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57+, for nonintermittent grip type movements involving axially grooved cams, and slides.