US PATENT SUBCLASS 338 / 146
.~.~.~ With helical collector parallel to helical element

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}
143  DF  .~.~ Contact moves along turns of helical resistance element {6}
146.~.~.~ With helical collector parallel to helical element

DEFINITION

Classification: 338/146

(under subclass 143) Subject matter wherein a helical collector or return is positioned concentric with the helical resistor element but spaced therefrom so that the contactor bridges across or between the resistor element and collector ring to establish an electrical circuit therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125+, for a resistor having a contact bridged across plural resistance elements.

SEE OR SEARCH CLASS

336, Inductor Devices,

138, for inductors having plural conductors, which may be helical, bridged by a conducting member.