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| Number | Title | Issue Date |
| 7896179 | Knuckle pin for railway vehicle coupler A knuckle pin retainer for a railroad car coupler adapted for disposition in an aperture formed by a knuckle coupler assembly for connecting adjacent railroad car. The pin retainer includes a pivot pin with a retaining member installed within the pivot pin. The reta... | 03/01/2011 |
| 7150073 | Hinge pin A hinge pin is suited for use in a hinge for a rotatable arm of a vehicle lift. The hinge pin has a groove formed within its side surface. The groove is configured to permit engagement of the pin with a restraining member configured to prevent rotation of the arm. T... | 12/19/2006 |
| 6062406 | Pivot pin and retention clip assembly for a railroad car coupler A coupler pivot pin and retention clip assembly for a railroad car coupler adapted to pivotally connect a knuckle of the railroad car coupler to a body of the railroad car coupler. The pivot pin assembly includes a pivot pin having an elongate shank havin... | 05/16/2000 |
| 5630519 | Plastic knuckle pin An improved plastic knuckle pin for a coupler on a railway car and a method of making the improved plastic knuckle pin whereby the improved plastic knuckle pin has a substantially uniform material matrix and the method of making the pin increases uniformi... | 05/20/1997 |
| 5145076 | Plastic knuckle pin with annular relief grooves for preventing pin failure due to fatigue A plastic knuckle pin for a coupler on a railway car which accepts bending fatigue, eliminates rust or corrosion, and reduces the coefficient of friction during opening and closing the coupler. The pin also protects the integrity of the coupler body and t... | 09/08/1992 |
| 4976363 | Knuckle pin retainer for railway vehicle coupler Am improved railway vehicle coupler head is provided having knuckle pin retaining element which is free to fully rotate with the knuckle pin to enable continuous rotation of the knuckle pin during use. An elastic ring located within a circumferential groo... | 12/11/1990 |
