Patents by Inventor Murray Spiro

Murray Spiro 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: 4369962
    Abstract: An apparatus for feeding a single sheet from the bottom of a stack of sheets to a station for performing subsequent operations on the sheet. The apparatus is comprised of a magazine to receive a stack of sheets having a bottom support and upstanding walls, the bottom support having an opening therein through which the lower most sheet can be removed. A suction nozzle is provided below the magazine opening and a vacuum surface is provided below the suction nozzle. A first pivot arm is attached to the suction nozzle and a second pivot arm is attached to the vacuum surface. A sheet receiving and feeding apparatus below the magazine receives and feeds the sheet to the station which performs the subsequent operation on the sheet. The pivot arm is pivoted to (i) raise the suction nozzle to engage the surface of the lower most sheet, and subsequently (ii) lower the suction nozzle to engage the bottom surface of the sheet with the vacuum surface.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: January 25, 1983
    Inventor: Murray Spiro