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Locking apparatus for portable devices

  • US 4,305,266 A
  • Filed: 12/21/1979
  • Issued: 12/15/1981
  • Est. Priority Date: 12/21/1979
  • Status: Expired due to Term
First Claim
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1. In an apparatus for locking a portable device to a surface, the combination comprising:

  • a base plate member having a plate portion for securing the portable device to a surface thereof and a bearing plug having a frusto-conical configuration extending from the other surface thereof, said bearing plug having a reduced diameter neck portion;

    a generally inverted cup-shaped base member for securing to a surface, said base member having a receptacle matingly configured for rotatably receiving said bearing plug therein and an aperture extending generally transverse to and communicating with said receptacle;

    a plunger lock axially slidable within said aperture of said base member, said lock having a locking pin movable relative to said receptacle for extending therein adjacent said neck portion for retaining said base plate member relative to said base member while permitting relative rotation therebetween;

    said base member having a recess in the upper portion thereof about the perimeter of said receptacle and further including apertures extending through said recessed portion for passage therethrough of screw means with the heads thereof concealed from view with the apparatus in its assembled position; and

    said base member further having pillar portions in communication with the apertures for said screw means, said pillar portions terminating generally co-extensive with the bottom of said base member for providing strength to said base member when fastened to a surface.

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