US PATENT SUBCLASS 33 / 816
.~.~.~ With wear compensation or backlash prevention means

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

700  DF  DISTANCE MEASURING {13}
783  DF  .~ Opposed contacts {10}
813  DF  .~.~ Micrometer {10}
816.~.~.~ With wear compensation or backlash prevention means

DEFINITION

Classification: 33/816

With wear compensation or backlash prevention means:

(under subclass 813) Subject matter wherein the threaded element is provided with adjustment means which take up for inaccuracies produced by use or the nature of the threaded element.