US PATENT SUBCLASS 439 / 19
.~.~.~.~ Rolling contact

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

1  DF  INTERRELATED CONNECTORS RELATIVELY MOVABLE DURING USE {8}
11  DF  .~ Movement about axis {3}
13  DF  .~.~ Rotary movement {6}
18  DF  .~.~.~ Including annular contact {4}
19.~.~.~.~ Rolling contact

DEFINITION

Classification: 439/19

Rolling contact:

(under subclass 18) Device wherein one of the contacts is adapted to engage and transmit electrical current to another contact with substantially no slippage in the manner of a vehicle wheel in engagement with a support surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

16, for interrelated electrical connectors relatively movable during use where one comprises a vehicle wheel.

17, for interrelated electrical connectors relatively movable during use comprising a ball or roller bearing.