US PATENT SUBCLASS 439 / 644
.~.~.~.~.~ Combined with receptacle having internal 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}
638  DF  .~.~ Two or more plural-contact coupling parts combined in one integral unit {6}
641  DF  .~.~.~ Unit includes coupling part having screw-thread-coupling contact {3}
642  DF  .~.~.~.~ Plug having surrounding screw-thread-coupling contact {3}
644.~.~.~.~.~ Combined with receptacle having internal bayonet-coupling contact

DEFINITION

Classification: 439/644

Combined with receptacle having internal bayonet-coupling contact:

(under subclass 642) Device wherein the single unitary structure, in addition to having embodied therein the plug with the externally disposed screw-thread-coupling contact, also has embodied therein, a plural-contact coupling part in the form of 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 a mating plural-contact plug having a contact which itself extends or which has a pin or projection thereon which extends radially of the longitudinal axis along which the receptacle and plug are intended to be coupled, and wherein the receptacle and its mating plug are retained in coupled relationship either by the radially extending contact itself, or by the radially extending pin or projection on the contact, 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.