US PATENT SUBCLASS 439 / 671
.~.~.~.~ Having bayonet-coupling contact

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

625  DF  WITH INSULATION OTHER THAN CONDUCTOR SHEATH {10}
626  DF  .~ Plural-contact coupling part {7}
660  DF  .~.~ Plural-contact coupling part comprises receptacle or plug {12}
670  DF  .~.~.~ Having coupling contact requiring successive relative motions in different directions to complete the coupling {1}
671.~.~.~.~ Having bayonet-coupling contact {2}
672  DF  .~.~.~.~.~> Bayonet-coupling contact comprises cylindrically-shaped ring or shell
673  DF  .~.~.~.~.~> Having plural bayonet-coupling contacts {1}

DEFINITION

Classification: 439/671

Having bayonet-coupling contact:

(under subclass 670) Coupling part comprising either (a) a plug having a contact which extends or which has a pin or projection thereon which extends radially of the longitudinal axis along which the plug is intended to be coupled to its mating plural-contact receptacle; or (b) a receptacle having a contact disposed within a recess extending therein, which contact or recess has an abutment extending circumferentially about the longitudinal axis along which the receptacle is intended to be coupled to its mating plural-contact plug; and wherein the plug and its mating receptacle are locked or retained in coupled relationship by the radially extending contact of the plug or by the radially extending pin or projection on the contact of the plug being received behind the circumferentially extending abutment of the receptacle, the engaging motion being first along the longitudinal coupling axis and then a partial turning about the said coupling axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

332+, for a coupling part with a bayonet-type retaining means operating between the coupling part and its mating coupling part, which bayonet-type retaining means is in addition to any retaining means formed or located on one or more contacts of the coupling part.