Socket and bulb snap fastener for Christmas light strings

  • US 4,970,632 A
  • Filed: 03/16/1990
  • Issued: 11/13/1990
  • Est. Priority Date: 03/16/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A socket and bulb snap fastener for Christmas light strings, comprising a socket and a bulb, said bulb comprising a lighting element and an insert having two leads mounted thereon which are electrically connected to said lighting element, a hole being centrally formed on said socket for receiving said insert, the improvements further comprising:

  • at least one substantially T-shaped tongue of insulating material being formed on an upper margin of a periphery of said socket, each T-shaped tongue having a shoulder formed adjacent to a free end of said T-shaped tongue, a V-shaped groove being formed on an upper side of each said T-shaped tongue at an end opposite to said free end of said tongue and extending transversely across a length of each said tongue;

    a corresponding number of flexible receiving means of insulating material being formed, relative to each said T-shaped tongue, in the vicinity of an upper margin of said insert, each receiving means comprising two mirror image L-shaped protrusions which together form a compartment and a path slightly less wide than a width of said T-shaped tongue, each said T-shaped tongue being engageable with each corresponding receiving means by bending said T-shaped tongue upwardly about said V-shaped groove and snapping each said T-shaped tongue into said compartment via a corresponding path such that said shoulder of each said T-shaped tongue abuts an upper surface of both said protrusions.

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