Patents by Inventor Howard H. Schafer

Howard H. Schafer 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).

  • Multiple station flexible boring machine
    Patent number: 5199158
    Abstract: A method and multiple station flexible boring machine for transferring and locating a pallet carrying a workpiece to be machined. The machine has at least two machining stations and a part loading and unloading station adjacent a transfer table carried by a base for carrying, generally locating and transferring a pallet and a workpiece to each station. The pallet has a curvic coupling locator ring with a plurality of circumferentially spaced and generally radially extending teeth for complementary mating engagement with a locator ring on an independent base of each station to accurately radially, axially and circumferentially locate the pallet on the station base. At the load station, the locator ring on the pallet is received in complementary mating engagement with the locator ring on the load base accurately locating the pallet with respect to the base and a workpiece is loaded, accurately located with respect to the load base and clamped to the pallet.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: April 6, 1993
    Assignee: Litton Industrial Automation Systems, Inc.
    Inventors: Richard Wioskowski, Howard H. Schafer, George P. Bader, Edward J. Irvine
  • Multiple station flexible boring machine
    Patent number: RE35481
    Abstract: A method and multiple station flexible boring machine for transferring and locating a pallet carrying a workpiece to be machined. The machine has at least two machining stations and a part loading and unloading station adjacent a transfer table carried by a base for carrying, generally locating and transferring a pallet and a workpiece to each station. The pallet has a curvic coupling locator ring with a plurality of circumferentially spaced and generally radially extending teeth for complementary mating engagement with a locator ring on an independent base of each station to accurately radially, axially and circumferentially locate the pallet on the station base. At the load station, the locator ring on the pallet is received in complementary mating engagement with the locator ring on the load base accurately locating the pallet with respect to the base and a workpiece is loaded, accurately located with respect to the load base and clamped to the pallet.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: March 25, 1997
    Assignee: Western Atlas, Inc.
    Inventors: Richard Wioskowski, Howard H. Schafer, George P. Bader, Edward J. Irvine