Patents Examined by J Szumny
  • Patent number: 6435468
    Abstract: A rolling weighted base for supporting an object and for facilitating the movement of the object along a surface, the base connected to the object by a vertical shaft, the base comprising: at least three weight balls; a housing configured to receive the vertical shaft and to hold the at least three balls rigidly spaced apart so that the at least three balls do not touch each other, the at least three balls partially protruding from said housing toward the hard surface and free to rotate inside the housing.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: August 20, 2002
    Inventor: Dror Simchoni