Patents by Inventor Tzadok Levy

Tzadok Levy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5729948
    Abstract: An apparatus and method for rigidly joining construction elements to one another based on providing construction elements each having a connecting bore formed therethrough, positioning elements each having a connecting bore formed therethrough for aligning the connecting bores of adjacent construction elements, and partially expandable locking means dimensioned to extend through the aligned connecting bores of at least two construction elements and one positioning element. The construction elements and positioning elements are further equipped with engagement grooves and engagement ribs, respectively, for positioning adjacent construction elements in any number of predetermined angles. The locking mechanism has a radially expanding portion capable of locking the previously positioned construction elements in a rigid fashion.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: March 24, 1998
    Inventors: Tzadok Levy, Avigdor Bentov