Patents by Inventor Rolf Kasper

Rolf Kasper 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).

  • Chain drive particularly for driving an accessory of an internal combustion engine
    Patent number: 5765516
    Abstract: In a chain drive particularly for an accessory drive of an internal combustion engine lubricant is supplied to the chain from a lubricant supply through a trunnion carrying the chain gear to a passage extending through the chain gear radially to an area adjacent the chain by way of a groove which is formed in a bearing sleeve disposed on the chain gear hub and which has a flow cross-section of a depth and width selected so as to form a throttle area to limit the lubricant flow.
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: June 16, 1998
    Assignee: Mercedes-Benz AG
    Inventors: Gerhard Gruber, Uwe Matena, Rolf Kasper, Franz-Paul Gulde
  • Pressure equalizing pad for heated plate presses
    Patent number: 4612081
    Abstract: A pressure equalizing pad for presses with heated plates for the production of compacts, laminates, etc. has a press stand with a movable ram. An upper pressure plate is attached to the ram and a bed-pressure plate is positioned on a press bed with a hydrostatic pressure pad thereon. The hydrostatic pressure pad includes a thin steel sheet floatingly maintained by an oil medium, a flexible edge seal between the steel sheet and the bed-pressure plate, as well as rings and gaskets to form the improved device.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: September 16, 1986
    Assignee: Maschinenfabrik J. Dieffenbacher GmbH & Co.
    Inventors: Rolf Kasper, Friedrich B. Bielfeldt