US PATENT SUBCLASS 439 / 682
.~.~.~ Receptacle for receiving plug having spaced, longitudinally engaging, prong-like contacts

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}
682.~.~.~ Receptacle for receiving plug having spaced, longitudinally engaging, prong-like contacts {4}
683  DF  .~.~.~.~> Adapted to receive base connector of electron tube {1}
685  DF  .~.~.~.~> Having only three prong-receiving recesses arranged to define apices of a triangle
686  DF  .~.~.~.~> Having multipart insulating body or casing {4}
691  DF  .~.~.~.~> Having additional resilient member cooperating with contact to increase grip on contact of mating plug

DEFINITION

Classification: 439/682

Receptacle for receiving plug having spaced, longitudinally engaging, prong-like contacts:

(under subclass 660) Coupling parts in the form of a receptacle which is adapted to be coupled to a mating coupling part in the form of a plug having extending therefrom at least two spaced, elongated, fingerlike counter-contacts whose longitudinal axes are parallel to the longitudinal axis along which the one coupling part is intended to be linearly pushed toward and thereby into engagement with the other coupling part, and wherein the receptacle carries at least two correspondingly spaced contacts for slidingly engaging the elongated fingerlike counter-contacts along the longitudinal axes thereof whenever the one coupling part is pushed into embracing relationship with the other coupling part.

SEE OR SEARCH THIS CLASS, SUBCLASS:

106+, for a receptacle for receiving a three-prong coupling part including a safety ground prong.

218+, for a coupling part having an alternatively connected coupling face.

225, for a contact tap between normally engaged coupling parts.

226+, for a coupling part having a fluorescent or neon lamp.

246+, for an electrical connector having a self-aligning contact. 266+, for a coupling part having a handle or means to move a contact laterally to permit uncoupling.

374+, for a coupling part with guiding means for mating coupling part.

517, for a power measuring meter coupling part.

597+, for a coupling part including flexing insulation and having plural, laterally spaced, prong sockets.

638+, particularly subclasses 646 and 650+, for a single unitary device including two or more plural-contact coupling parts, at least one of which is a receptacle adapted to receive a spaced-prong plug.