US PATENT SUBCLASS 82 / 140
.~.~ Change gears

Current as of: June, 1999
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82 /   HD   TURNING

117  DF  LATHE {18}
132  DF  .~ Carriage feed {5}
140.~.~ Change gears

DEFINITION

Classification: 82/140

Change gears:

(under subclass 132) Subject matter wherein significance is attributed to a set of gears and means for mounting and shifting them in order to change the speed of rotation of a feedscrew or other carriage-driving means, and consequently the rate of carriage-feed.