Patents by Inventor John W. Rudibaugh

John W. Rudibaugh 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: 7389731
    Abstract: Split wedges biased against sloped upper surfaces and the side walls of pockets in the ends of the bolster of a rail car truck are provided with non-metallic wear plates which interface with pocket side walls to reduce or eliminate pocket side wall wear. The wear plates are typically cast polymeric pads selected from the group comprising nylon, Delrin, UHMW and urethane, have a hardness in the range of between about 700° and 900° and a sliding coefficient of friction of about 0.10 to about 0.30. The pads are mounted in recesses within the sidewalls of the wedges and are held in place by means such as threaded fasteners for ease of replacement.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: June 24, 2008
    Assignee: ASF-Keystone, Inc.
    Inventors: John W. Rudibaugh, Charles L. Van Auken
  • Patent number: 6095350
    Abstract: A non-metallic wear plate assembly for railroad car couplers comprises a wear plate of ultra-high molecular weight polyethylene having an upper surface with side edges and a middle portion therebetween, the upper surface of the wear plate sloping downwardly from the side edges to the middle portion, and a number of counter-bored holes in the wear plate with a larger diameter and a smaller diameter with the larger diameter of the counter-bored holes facing up, the wear plate being mounted on a steel filler plate by weld washers which are positioned in the holes and are welded to the filler plate, with optional weld washer plugs being positioned in the holes above the weld washers and flush with the upper surface of the wear plate. A method of using the non-metallic wear plate for railroad car couplers to center a coupler and protect it against wear.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: August 1, 2000
    Assignee: Pennsy Corporation
    Inventors: Robert J. Sauer, John W. Rudibaugh
  • Patent number: 5943961
    Abstract: In a freight car truck assembly, an insert for converting a substantially flat, inclined, bolster pocket back wall into a pair of inclined surfaces for biasing a pair of split wedges laterally outwardly against side walls of the bolster pocket to create a space between the pair of split wedges. The insert is provided with a centrally located fin which projects into the space between the split wedges and engages against a side frame friction surface to control the location of the insert in the bolster pocket through frictional interference as the fin rubs against the friction surface. The insert can be loosely mounted in the bolster pocket without any need for welding the insert in place.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: August 31, 1999
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. Van Auken
  • Patent number: 5878548
    Abstract: A corner protector for protecting the top corners of stacks of lumber from being indented or frayed by tie-down cables in a railroad freight car, comprises a sidewall connected at its top to a top wall at right angles to the sidewall along a fold line so that the sidewall is adapted to contact the side of a stack of lumber and the top wall is adapted to contact the top of the stack of lumber, cable alignment tabs on top of the top wall for aligning the tie down cable, cable retention fingers mounted on the sidewall for capturing and detaining the tie down cable, whereby when the protector is mounted on the corner of a stack of lumber it is protected against being contacted and indented by the tie down cable, the cable is protected against wearing and fraying caused by contacting the corner of the stack of lumber, and the corner protector may be installed without disconnecting the cable by loosening the cable and inserting the protector under the cable and mounting the protector on the top corner of the stack
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: March 9, 1999
    Assignee: Pennsy Corporation
    Inventors: Robert J. Sauer, John W. Rudibaugh
  • Patent number: 5799582
    Abstract: An improved adapter assembly for use in a railcar truck where an axle and bearing are loosely journaled in the pedestal area of a side frame, the adapter assembly being mounted above the bearing in the pedestal opening and including a novel adapter and a novel adapter pad which is mounted on top of the adapter, the adapter together with the bearing, axle and wheels being capable of predetermined lateral movement relative to the side frame.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: September 1, 1998
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. Van Auken
  • Patent number: 5575222
    Abstract: A telescoping bridge plate for auto rack railroad cars for supporting automobiles being driven between railroad cars comprises a top plate with corrugations providing top surfaces separated by grooves, with the top plate having an overlapping end portion and a locking end portion, a bottom plate with corrugations providing top surfaces which seat beneath the top surfaces of the top plate, and grooves which seat beneath the grooves of the top plate, with the bottom plate having an overlapping end portion and a locking end portion, and with the top plate overlapping end portion and the bottom plate overlapping end portion being in sliding overlapping engagement.
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: November 19, 1996
    Assignee: Pennsy Corporation
    Inventors: Robert J. Sauer, Charles L. Van Auken, John W. Rudibaugh
  • Patent number: 5562045
    Abstract: In a railway car truck assembly, a bearing adapter assembly includes an adapter and an adapter pad positioned between the adapter and a corresponding side frame end. The adapter is provided at each longitudinal end thereof an adapter opening having a lateral dimension greater than the lateral width of a corresponding thrust lug in a corresponding pedestal opening at the corresponding side frame end. The adapter pad is provided with longitudinal end portions depending down into respective ones of the adapter openings and including thrust lug openings each having with a lateral dimension approximately equal to the lateral width of the corresponding thrust lug to prevent significant relative lateral movement between the corresponding side frame end and the adapter pad.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: October 8, 1996
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. Van Auken
  • Patent number: 5490464
    Abstract: A deck double plug assembly for plugging first inboard and second outboard deck holes in the deck of converted railroad autorack cars comprises a first plug connected to a second plug base assembly by a connector portion. The second outboard plug assembly is clamped to the deck to cover and plug the second outboard deck hole, whereby the deck plug assembly may be installed by one person. The method of installation from the top surface of the deck includes the steps of loosely assembling the second outboard plug assembly, holding the second deck plug assembly and pushing the first plug downwardly through the second outboard deck hole, inserting the first inboard plug into the first deck hole from underneath the deck, and clamping the second plug assembly to the deck surrounding the second deck hole.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: February 13, 1996
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. Van Auken
  • Patent number: 5443015
    Abstract: A wear liner for use in a railroad freight car between a truck bolster bowl and a car body center plate comprises a non-metallic wear liner bowl which has a horizontal bottom floor, and an upstanding circumferential side wall extending upwardly from the periphery of the bottom floor to a top flange which forms an upper rim. A sealing member extends outwardly from the upper rim and has an upper lip which extends outwardly and upwardly to contact a base shoulder of the center plate. The sealing member also has a lower lip that extends outwardly and downwardly to contact a top shoulder of the truck bolster bowl. The floor and circumferential side wall of the wear liner are made of a harder synthetic resin plastic material than the synthetic resin plastic material of which the softer sealing member is made. The composite sealing member lips are outboard of the side wall of the car body center plate and the truck bolster bowl so as to be out of the way when the center plate is being lowered into the truck bowl.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: August 22, 1995
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. Van Auken
  • Patent number: 5404826
    Abstract: An improved adapter assembly for use in a railcar truck where an axle and bearing are loosely journaled in the pedestal area of a side frame, the adapter assembly being mounted above the bearing in the pedestal opening and including an adapter plate which is mounted on the top of the adapter, the adapter together with the bearing and axle being capable of lateral movement relative to the side frame.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: April 11, 1995
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. van Auken
  • Patent number: 5311823
    Abstract: In a railroad auto rack car having an array of side panels with horizontal air gaps between vertically adjacent panels, a strip of continuous flexible resilient plastic material, preferably vinyl having a white color, is fitted onto and adhesively secured to horizontal flanges of vertically adjacent upper and lower side panels to function both as a seal to close the horizontal air gap against swirling road dirt and also as a protective bumper to protect the automobiles from damage from being bumped during loading and unloading of the rack car. The bumper seal in preferred form has upper and lower legs each having a channel which faces the center axis of the bumper for receiving the vertical flanges found along the horizontal edges of the side panels of the rack car. The portion of the bumper seal along the center axis is designed to provide a spring action to accommodate for variations in the width of the air gaps.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: May 17, 1994
    Assignee: Pennsy Corporation
    Inventors: John W. Rudibaugh, Charles L. Vanauken