US PATENT SUBCLASS 338 / 169
.~.~.~.~ Contact pressure adjustable

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}
160  DF  .~.~ Contact slides along in contact with element {3}
162  DF  .~.~.~ Contact angularly slidable {11}
169.~.~.~.~ Contact pressure adjustable

DEFINITION

Classification: 338/169

(under subclass 162) Subject matter wherein structure is provided which permits a selective variation in the pressure exerted by the contact on the resistance element.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

170, for means of maintaining or adjusting pressure between the contacts of a switch.