US PATENT SUBCLASS 439 / 802
.~.~ Screw-threaded lamp-shell type contact having resilient or spring biased securing part

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

775  DF  METALLIC CONNECTOR OR CONTACT HAVING MOVABLE OR RESILIENT SECURING PART {15}
801  DF  .~ Screw-thread operated securing part {10}
802.~.~ Screw-threaded lamp-shell type contact having resilient or spring biased securing part

DEFINITION

Classification: 439/802

Screw-threaded lamp-shell type contact having resilient or spring biased securing part:

(under subclass 801) Electrical connector comprising a contact in the form of a screw-threaded metal sleeve for receiving and retaining, by means of the screw threads, a mating contact having complementary screw-threads thereon; the contact, in use, is intended to be contained in a plural-contact coupling part of the type known as a screw plug or receptacle which is coupled to its respective mating receptacle or plug by screw-threaded engagement; the contact further is either made of resilient material or is provided with a resilient or resiliently biased gripping means, so that the contact is provided with an additional means for retaining the mating contact screw-thread coupled thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

665, and 735, for a screw-threaded sleeve contact secured to insulation, the sleeve contact having mutilated, irregular, interrupted, or discontinuous screw thread.