Patents Represented by Law Firm J.O.R.
  • Patent number: 5271511
    Abstract: A bearing assembly having a removable shaft member. The shaft member has a center portion is designed such that rotation of the ball portion of the bearing assembly on the center portion is prevented. A first end portion extends outwardly from one end of the center portion and has a diameter substantially equal to an arcuate portion formed in a first side wall portion of a cavity located at one end of the female connection member. A flat face portion engageable by a wedge member is provided on the first end portion. A locking device is engageable with the first end portion to secure the ball portion against lateral movement in a first direction. A second end portion extends outwardly from the other end of the center portion and has a diameter also substantially equal to a diameter of an arcuate portion in a second side wall portion of the cavity. A flat face is formed on the second end portion which is engageable by another wedge member, thereby securing the male member to the female connection member.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: December 21, 1993
    Assignee: Westinghouse Air Brake Company
    Inventors: David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow
  • Patent number: 5246502
    Abstract: A valve bushing cleaning device for cleaning a valve bushing while the bushing is situated in a valve bore of a valve body, such as in a railway vehicle brake apparatus and a method for cleaning such valve bushing. The cleaning device comprises a hollow cylindrical conduit having a first open end attachable to a source of pressurized fluid and a second closed end. The conduit has a recessed portion with fluid passageways through the wall thereof and structure for securing a sealing member on each side of the fluid passageways. In the method, the closed end of the cleaning device is inserted into a valve bushing disposed in a valve bore of a valve body, with pressurized fluid forced through the conduit, out of the fluid passageways, and through apertures in the valve bushing, with any solids picked up and carried by the fluid through passages formed in the valve body.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: September 21, 1993
    Assignee: Westinghouse Air Brake Company
    Inventors: Alvin J. Matthews, Thomas M. Hartzell, Ronald M. Markos, Richard H. Gumbert
  • Patent number: 5146939
    Abstract: A valve bushing cleaning device for cleaning a valve bushing while the bushing is situated in a valve bore of a valve body, such as in a railway vehicle brake apparatus and a method for cleaning such valve bushing. The cleaning device comprises a hollow cylindrical conduit having a first open end attachable to a source of pressurized fluid and a second closed end. The conduit has a recessed portion with fluid passageways through the wall thereof and structure for securing a sealing member on each side of the fluid passageways. In the method, the closed end of the cleaning device is inserted into a valve bushing disposed in a valve bore of a valve body, with pressurized fluid forced through the conduit, out of the fluid passageways, and through apertures in the valve bushing, with any solids picked up and carried by the fluid through passages formed in the valve body.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: September 15, 1992
    Assignee: Westinghouse Air Brake Company
    Inventors: Alvin J. Matthews, Thomas M. Hartzell, Ronald M. Markos, Richard H. Gumbert