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| Number | Title | Issue Date |
| 7497345 | Apparatus for railway freight car coupler knuckle In combination with a railway freight car coupler. A coupler has a knuckle side, and includes a knuckle, knuckle pin, and an apparatus for automatically pivoting and maintaining the knuckle full open position. The improvement comprises a coiled torsion spring which ... | 03/03/2009 |
| 6000564 | Roller equipped uncoupling cam An uncoupling cam is incorporated into a hook-type coupler. Couplers of this variety are typically found on railway transit vehicles, one hook-type coupler being fixed to each end of each transit vehicle. Moving two transit vehicles toward each other so t... | 12/14/1999 |
| 5435450 | Railroad coupling knuckle hoist and method A railroad coupling knuckle hoist and method is provided which facilitates the movement, lifting and placement of a knuckle in an operative position in the coupling head of a drawbar in a safe and efficient manner by using a portable, lightweight knuckle ... | 07/25/1995 |
| 5209363 | Mechanical coupling for overhead trolleys with cooperatively mating prizmatic projections A mechanical coupling for coupling together two spaced conveyor rods adapted to be moved on rollers on a suspension conveyor system, the rods extending in their direction of transport and being aligned with respect to each other, the coupling comprising t... | 05/11/1993 |
| 4976362 | Pulling lug for railway vehicle coupler A railway coupler is provided having a coupler head comprising pulling lugs, behind which compound fillets of variable increasing radii have been inserted. The compound fillets reduce the stress concentration behind the lugs by distributing load over a gr... | 12/11/1990 |
| 4627545 | Car coupler with enlarged gathering zone A hook-type railroad car coupling includes a hook vertically centered and laterally offset in a pocket opening in the front face and a guide pin and hole at opposite top corners. At one side of the bottom a guide horn extends beyond the hook, the front pl... | 12/09/1986 |
| 4366911 | Uncoupling central buffer couplings on rail vehicles A device for uncoupling central buffer couplings on rail vehicles having a rotatable disk hook includes a cam operatively connected to a worm wheel for rotation therewith which, in turn, is connected to an electric motor. The cam is rotatably operative to... | 01/04/1983 |
| 4129219 | Railway car coupler The head portion of a railway car coupler is provided with forwardly projecting horizontal upper and lower shelves. The leading edge of the top shelf is angled upwardly and rearwardly to provide clearance for coupler droop. Additionally, the leading angle... | 12/12/1978 |
| 4090615 | Coupler knuckle assembly An improved coupler knuckle wherein the tail surface contour is formed by a mathematical function curve so that upon closing the portion of the surface, which interfaces with the lock becomes closer to the knuckle pivot thus providing increased clearance ... | 05/23/1978 |
| 4073385 | Car coupler An automatic coupler for railway and other vehicles which includes an outer housing carried by the vehicle and formed of a plurality of welded metal plates, with a spring urged coupler hook mounted therein for horizontal pivotal movement for engagement wi... | 02/14/1978 |
| 4004697 | Visual coupling indicator for automatic railway car couplers A visual indicator engageable and operable by a movable locking member of an automatic type railway car coupler for indicating a locked or unlocked condition of the locking member and, therefore, the coupled or uncoupled condition of the coupler, said ind... | 01/25/1977 |
