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Shelf extender

  • US 3,949,880 A
  • Filed: 02/20/1975
  • Issued: 04/13/1976
  • Est. Priority Date: 02/20/1975
  • Status: Expired due to Term
First Claim
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1. A shelf extender for holding a product so as to display the same to the purchaser forward of a shelf having two surfaces comprising:

  • a wall member having a front surface and a rear surface;

    at least one receiving means cooperative with the rear surface;

    means for supporting the product affixed to the wall member;

    a clamp comprising;

    a plate shaped to fit with the receiving means;

    an arm cantilevered from the plate having a clamping pad at the free end thereof so as to engage one surface of the shelf;

    a post cantilevered from the plate spaced from the cantilevered arm;

    the post having a cavity therein, an upper plate and a lower plate, each of said plates having an opening therein located to permit a bolt to pass therethrough;

    the lower plate being canted with respect to the upper plate;

    a conventional nut received within the cavity, the nut being of standard size and configuration and including an opening with an unmodified conventional internal helical thread of given standard size and having a given inside diameter;

    the opening in the nut being in general alignment with the openings in the cavity'"'"'s plates;

    a conventional bolt of standard size and configuration including an unmodified conventional external helical thread of a standard size having an outside diameter no larger than the inside diameter of the nut opening;

    the upper and lower plates of the cavity being placed so that the nut is movable between a first position against the upper plate and a second position against the lower plate;

    in the first position, the nut is normal to the bolt and the bolt passes freely through the nut and in the second position, the nut is canted with respect to the bolt and at least a portion of the thread of the nut engages at least a portion of the thread of the bolt in threaded engagement, whereby the bolt may be moved to obtain a coarse adjustment in the first position of the nut and a fine adjustment in the second position of tne nut;

    a second clamping pad on the end of the bolt to engage the other surface of the shelf so that the means for supporting the product is projected forward of the shelf and is held in place with respect thereto.

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