US PATENT SUBCLASS 338 / 134
.~.~.~ Individually operated concentric shaft type

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}
128  DF  .~.~ Plural {3}
134.~.~.~ Individually operated concentric shaft type

DEFINITION

Classification: 338/134

(under subclass 128) Subject matter wherein the resistors are arranged in tandem and including shafts which operate the

respective resistors, the shafts having a common axis and being at least partly coextensive to surround one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

123+, for a resistor having coarse and fine elements, and plural contacts individually operated by concentric shafts.