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| Number | Title | Issue Date |
| 5890617 | Swing-away trailer hitch/coupler This invention pertains to a swing-away hitch for trailers, in particular the boat trailer market. Boat trailers are longer than the boats itself for towing purposes. When having to store the boat and trailer in a small space, the tongue with the hitch of... | 04/06/1999 |
| 5617965 | Interlocking type mechanism for a slackless drawbar assembly used on a railway freight car An interlocking mechanism positioned intermediate each end of a drawbar member portion of a slackless drawbar assembly which includes an elongated member engageable at a first end thereof to an end of a first male connection member and at an axially oppos... | 04/08/1997 |
| 5584407 | Interlocking slackless drawbar assembly for railway freight car and an interlocking mechanism therefor An interlocking mechanism is positioned intermediate first and second end portions of a drawbar member portion of a slackless type drawbar assembly utilized in coupling adjacently disposed ends of a pair of railway freight cars together in a substantially... | 12/17/1996 |
| 5560503 | Lubricating apparatus for articulated coupling arrangement An articulated coupling male connection member support assembly having an improved lubrication arrangement incorporated therein. Such support assembly includes a bottom ring bearing member supported on an upper surface of a bottom wall portion of a female... | 10/01/1996 |
| 5350077 | Method and device for coupling a self-propelled truck with a carrying truck Method and device for coupling a self-propelled truck with a carrying truck, wherein the self-propelled truck is provided with a female engagement member having right and left catching spacings, whereas the carrying truck is provided with a male engagemen... | 09/27/1994 |
| 5272986 | Towing swivel for pipe inspection or other vehicle A vehicle 10 which inspects pipes 12 using flux-leakage has a flux generating electromagnet 14 and foils 18, 20 to transfer the flux to the pipewall 12. Sensors 22 detect flux forced to leak from the pipe by defects. The vehicle is required to pass 1-D be... | 12/28/1993 |
| 5040466 | Train of highway trailers and method of making Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 08/20/1991 |
| 5005715 | Articulated railroad car connector An articulated connector for railroad cars comprises first and second connector members pivotally connected to each other at inner ends through a pin to permit vertical, rotational and horizontal pivoting of the connector members. The connector members ha... | 04/09/1991 |
| 4893717 | Trailer hitch for use with a railroad car A hitch (10) for releasably connecting a double stack trailer to a road railer car having a tongue (14) having an opening (15) includes a top wall (16), bottom wall (24) and first and second walls (28) and (30) cooperatively connected to form a housing (1... | 01/16/1990 |
| 4766818 | Train of highway trailers and method of making Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 08/30/1988 |
| 4669391 | Train of highway trailers Novel highway trailers can be mounted on railtruck assemblies to form a train of highway trailers, the railtruck assemblies including a conventional railtruck which supports a novel intermodal adaptor. The novel highway trailers include a forwardly extend... | 06/02/1987 |
| 4593829 | Articulated railway car connection with guided slack adjusting wedges The present invention relates to articulated railway coupler connections. The butt end of the male articulating connection contacts a follower block which in turn contacts a wedge shaped shim. Such shim provides an essentially slackless feature to the cou... | 06/10/1986 |
| 4585133 | Coupler for convertible rail-highway semi-trailer A convertible semi-trailer for highway and railroad modes of travel includes a coupler device to releasably couple adjacent vehicles end-to-end to form a train for the railroad mode. The coupler includes a male member extending from the end of one of the ... | 04/29/1986 |
| 4344542 | Railway gang car coupler A coupling device for railway motor cars includes a pole or tongue on the motor car with a cam member pivoted on the distal end thereof. A coupling box with converging side walls is secured to the end of the trailing car and has a coupling pin extending f... | 08/17/1982 |
| 4202277 | Convertible rail-highway semi-trailer A convertible semi-trailer having over-the-road or highway running gear with rubber tired wheels and a flanged rail wheel-set and bogie, the body being supported upon said highway running gear and upon said railroad bogie independently by air spring means... | 05/13/1980 |
| 4139103 | Mine car coupling including safety mechanism A safety mechanism for a mine car coupling which includes a draw pin, a pin guide connected to a first mine car with an essentially vertical opening therein for receiving the draw pin, a space beneath the pin guide for receiving a link connected to a seco... | 02/13/1979 |
| 4087112 | Trailer coupler A C-shaped retaining handle is connected to a draft pin and has a cam on an end near the point of connection. A springed washer presses against the cam, thereby securing the handle to lock the draft pin in place, yet permitting the handle to be raised for... | 05/02/1978 |
