Patents by Inventor Dennis R. Impey

Dennis R. Impey 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: 4149682
    Abstract: Roll handling apparatus comprising a rotatable body having peripherally spaced axially extending mounting surfaces inclined to the axis of rotation; a plurality of cylinder-engaging elements adapted to be received within a hollow cylinder and to engage the inner surface of the cyliner and movable relative to said mounting surfaces between a radially inner configuration and a radially outer configuration to engage the inner surface of the cylinder; actuating means, having an abutment surface extending radially outwardly beyond said elements and located for engagement with a side surface of the hollow cylinder during association of said elements within the hollow cylinder, for acting on said elements to move them relative to the mounting surfaces between said radially inner and outer configurations; and spring means for biasing said elements axially into their radially inner configuration.
    Type: Grant
    Filed: November 12, 1975
    Date of Patent: April 17, 1979
    Inventors: Stanley Gustafson, Dennis R. Impey, Anthony J. Sissons