US PATENT SUBCLASS 338 / 127
.~.~.~ Contact rotates between circularly arranged elements or taps

Current as of: June, 1999
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338 /   HD   ELECTRICAL RESISTORS

68  DF  MECHANICALLY VARIABLE (E.G., RHEOSTAT) {24}
118  DF  .~ Movable contact electrically adjustable over length of resistance element {21}
125  DF  .~.~ Unitary movable contact electrically bridges plural resistance elements {2}
127.~.~.~ Contact rotates between circularly arranged elements or taps

DEFINITION

Classification: 338/127

(under subclass 125) Subject matter wherein the resistance elements or series of taps or other structure connected to the elements have a circular shape or arrangement, and lie in a common circle with the bridging contact extending across the circle and rotating about the center.