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Safety locking system for electrical plugs

  • US 6,220,885 B1
  • Filed: 07/21/2000
  • Issued: 04/24/2001
  • Est. Priority Date: 07/21/2000
  • Status: Expired due to Fees
First Claim
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1. A plug engagement apparatus for engaging and conducting electricity into an electric plug having plug prongs, the prongs having prong free ends with prong openings, the apparatus comprising:

  • prong retaining means for receiving and retaining at least one of said plug prongs;

    and a slide bolt structure comprising at least one locking bolt and a locking bolt constraining means for constraining said locking bolt to slide relative to said prong retaining means and into the prong opening in the plug prong, such that the plug prong is engaged against removal from said prong retaining means, and wherein said locking bolt constraining means constrains locking bolt to slide relative to said prong retaining means and out of the prong opening in the plug prong, such that the plug prong is released and removable from said prong retaining means; and

    wherein said locking bolt constraining means comprises a mounting structure constraining said slide bolt structure to slide relative to said face plate, such that said locking bolt slides to enter the prong opening and thus locks the at least one prong within the apparatus.

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