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Plug and socket connections

  • US 3,912,355 A
  • Filed: 11/24/1972
  • Issued: 10/14/1975
  • Est. Priority Date: 08/20/1971
  • Status: Expired due to Term
First Claim
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1. A plug and socket plate combination comprising a socket plate having a central opening and a plurality of peripherally spaced notches communicating with and extending radially outwardly from said central opening and having circumferentially spaced end walls, said plug having a body portion, a radial flange on said body portion for overlying one side of said socket plate, and a plurality of lugs joined to said flange and projecting axially therefrom, said lugs being disposed in circumferentially spaced, cooperating pairs, one lug of each pair being rigidly joined to said flange and having a tang extending circumferentially therefrom in a direction away from the other lug of the pair, said tang being axially spaced from said flange to provide a socket plate engaging shoulder, the other lug of each pair being carried on the end of a resilient arm which is connected to the rigid lug of the next adjacent of said pairs of lugs, each of said pairs of lugs having oppositely facing, circumferentially disposed cam surfaces which engage said end walls of said notches responsive to axial insertion of said plug into said socket plate to automatically rotatably index said plug into a position whereiN said shoulders defined by said tangs on said rigid lugs overlie the other surface of said socket plate to retain the plug in assembly with said socket plate.

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