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| Number | Title | Issue Date |
| 6102222 | Lightweight drawbar assembly A slackless drawbar coupler assembly for use in combination with a railway car having a center sill wherein the drawbar has a shank portion extending to an enlarged truncated butt end portion defining essentially a convex, hemispherical buff load bearing ... | 08/15/2000 |
| 6092679 | Support housing for lightweight drawbar assembly A support housing for supporting a slackless drawbar coupler assembly within a center sill of a railway car, in which the slackless drawbar assembly has a drawbar pivotally attached within a spool by a pivot pin, the support housing including a generally ... | 07/25/2000 |
| 5967349 | Spring tab shim support in rotary shank coupler A coupler is provided for a railroad rotary dump car. The coupler comprises a coupler housing, a coupler head, a buff loading shim, and as most preferred, a plurality of spring tabs, and spring tab fasteners. The coupler housing defines a coupler cavity w... | 10/19/1999 |
| 5507400 | Slackless drawbar or coupler with swivel mounting A slackless drawbar or coupler head rotary connection between adjacent cars of a train which is movable along a fixed trackway, is described as having a ball and socket swivel-type connection which allows the elongated shank of a drawbar or coupler head t... | 04/16/1996 |
| 5312007 | Slackless railway coupler with draft/buff gear A slackless railcar coupler assembly, which is mountable in a railcar center sill, has a draft gear subassembly operable against a rear stop, and a slackfree coupler apparatus mounted in a coupler pocket forward of said draft gear subassembly, which subas... | 05/17/1994 |
| 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 |
| 4966291 | Slackless rotary drawbar assembly The present invention provides a slackless rotary drawbar assembly of simple yet rugged construction. The drawbar assembly preferably consists of five parts: a rotary drawbar, a rotary drawbar support housing, a bottom support casting, a rear support bloc... | 10/30/1990 |
| 4863045 | Rotary railway drawbar coupler A rotary railway drawbar coupler is provided which comprises two elongated shank members each having a convex butt surface at one end and a generally circular butt surface at the other end. The two elongated shanks are positioned between the two railway c... | 09/05/1989 |
| 4637518 | Coupler for a railway car coupler assembly A coupler for a railway car coupling system includes an elongated shank terminating in a generally rectangular butt portion. The shank is generally octagonal in cross-section for strength, and the coupler butt portion has an end face provided with a conve... | 01/20/1987 |
| 4635804 | Yoke for railway car coupler assembly A yoke for a railway car coupler assembly includes a yoke body having a generally rectangular front portion. A central opening provided in the front portion extends longitudinally therethrough. A pair of opposed first and second straps extend rearwardly f... | 01/13/1987 |
| 4597499 | Biased pin retainer block for a rotary coupling system A rotary coupling system for railroad cars and the like includes a rotary connector which is mounted in a yoke and to which a car coupler is attached for unitary rotation. The yoke has an aperture or opening through which a pivot pin is inserted into alig... | 07/01/1986 |
| 4595109 | Coupler for rotary dump cars A coupler for rotary dump cars having a coupler head cast integral with a rotating spindle. The coupler includes a widened shank-spindle housing to accommodate the enlarged end of the spindle for better load characteristics.... | 06/17/1986 |
| 4593828 | Rotary railroad car F coupler A rotary railroad car F. coupler assembly which employs a rotary connector between the yoke and car coupler, is described as having a yoke with a larger diameter opening in which a bigger rotary connector is mounted. The rotary connector in turn, is desig... | 06/10/1986 |
| 4580686 | Slackless self-adjusting rotary drawbar for railroad cars A slackless drawbar arrangement for unit train service and the like including a drawbar having enlarged butt end portions each provided with essentially spherical buff and draft load bearing surfaces on the rear and forward surfaces thereof. The enlarged ... | 04/08/1986 |
| 4549666 | Railway vehicle draft sill and slackless draft assembly A railway draft sill and slackless draft assembly including a pair of lengthwise spaced draft sills having a drawbar extending therebetween. One of the drawbar ends is connected for rotation relative to one of the draft sills and the other end is fixed ag... | 10/29/1985 |
| 4445618 | Spring biased rotary railway car coupler carrier A rotary railroad car coupler assembly is described as having a unique carrier which is designed for limited angling or tilting in the vertically elongated chamber of the striker, as the coupler rotates. The projecting lugs of the carrier which interlocki... | 05/01/1984 |
| 4428489 | Rotary railroad car F coupler A rotary railroad car F coupler assembly which employs a rotary connector between the yoke and car coupler, is described as having a yoke with a larger diameter opening in which a bigger rotary connector is mounted. The rotary connector, in turn, is desig... | 01/31/1984 |
| 4426012 | Railway car coupler A railway car coupler includes a shank, a head connected to a head end portion of the shank, a knuckle pivoted to the head having closed and open positions, and a lock axially movable within a chamber formed in the shank between a knuckle engaged position... | 01/17/1984 |
| 4420088 | Rotary railroad car coupler assembly with a horizontal key/slot arrangement A rotary F-type railroad car coupler is described as having a rotary connector which is mounted for rotation within a cylindrical opening in the front end of the yoke. The rotary connector has an opening which extends longitudinally through the connector ... | 12/13/1983 |
| 4333576 | Carrier assembly for use with a rotary railroad coupler system To maintain horizontal alignment of a shank and attached coupler head of a rotary railroad coupler system, a middle portion of the shank is supported by a carrier assembly connected to a striker casting of the coupler system. During rotation of the shank ... | 06/08/1982 |
| 4328900 | Rotary coupler with improved pin bearing A rotary F coupler is disclosed as having a rotary connector and pivot pin arrangement which provides increased bearing contact between these two components. This is accomplished by the provision in the rotary connector of a dual diameter pinhole opening ... | 05/11/1982 |
| 4310099 | Rotary connector A rotary railroad car coupler is described as having a rotary connector with a spherical butt end for seating engagement in a spherical cavity formed in an adjacent front follower.... | 01/12/1982 |
| 4243149 | Railroad car draft gear and coupler arrangement A rotary railroad car coupler and attached draft gear are provided with strategically located stops for maintaining a predetermined clearance between the butt end of the shank of the coupler and the adjacent front follower of the draft gear when the coupl... | 01/06/1981 |
| 4230228 | Pin type solid butt rotary coupler A rotary type railroad car coupler is provided with a symmetrical and invertible yoke. A yoke collar, constructed so as to be capable of being reversible, is disposed within a cavity of the yoke. In one preferred embodiment, a pin connecting a shank of th... | 10/28/1980 |
| 4128178 | Rotary type railway car coupler An improved rotary-type F Car Coupler. The yoke of the coupler is provided with the side opening through which the pin for holding the shank of the coupler head to the yoke is removed. A plate is provided for covering the side opening and retaining the pi... | 12/05/1978 |
| 4093079 | Rotary coupler Rotary coupler for a railway car wherein a laterally extending cylindrical member with annular bosses is attached to the coupler butt and is received by the shank which has corresponding annular grooves and which is attached to the coupler head, to allow ... | 06/06/1978 |
| 4081082 | Coupler shank hard facing A hard-facing deposit of weld metal in the form of parallel, spaced-apart tracks extends along the external bottom wall of a railroad coupler shank for engagement with the working face surface of a coupler carrier. The tracks of weld metal are arranged lo... | 03/28/1978 |
