US PATENT SUBCLASS 200 / 61.17
.~.~ Spool, reel or idler rotation
Current as of:
June, 1999
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200 /
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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.