US PATENT SUBCLASS 439 / 304
.~ Including lock for retaining means (e.g., key or combination lock or requiring "special" tool)

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

296  DF  WITH COUPLING MOVEMENT-ACTUATING MEANS OR RETAINING MEANS IN ADDITION TO CONTACT OF COUPLING PART {15}
304.~ Including lock for retaining means (e.g., key or combination lock or requiring "special" tool) {2}
305  DF  .~.~> Magnetically operated latch
306  DF  .~.~> Threaded coupling part {3}

DEFINITION

Classification: 439/304

Including lock for retaining means (e.g.., key or combination lock or requiring "special" tool):

(under subclass 296) Coupling part wherein the means to maintain interengagement with a mating part requires utilization of a special manipulation of a component thereof to permit such removal of the coupling part from a mating part.

(1) Note. Included herein is a locking device requiring use of a key, a combination lock or other device requiring use of an uncommon tool to permit uncoupling. Also included herein is a device requiring presence of a particular sound (e.g.., a voice command) or a particular anatomical feature (e.g.., particular fingerprint).

SEE OR SEARCH THIS CLASS, SUBCLASS:

133+, for locking structure for preventing coupling of coupled connectors.