US PATENT SUBCLASS 200 / 61.17
.~.~ Spool, reel or idler rotation


Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

52 R  DF  SPECIAL APPLICATION {25}
61.13  DF  .~ Running length, web or strand actuated {4}
61.17.~.~ Spool, reel or idler rotation


DEFINITION

Classification: 200/61.17

(under subclass 61.13) Devices in which the controller is actuated concurrently with the attainment of or departure from a predetermined rotational speed (including zero rpm) of a member which is in rolling frictional contact with the material.