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| Number | Title | Issue Date |
| 5413402 | Sequenced tailgate lock A tailgate locking mechanism is provided for locking the tailgate in a closed position against the rear end of the body of a rear loading refuse collection vehicle. The locking mechanism includes at least two fluid operated piston and cylinder locking ass... | 05/09/1995 |
| 4580502 | Device for unloading a container for bulk materials A device for unloading a container used for bulk materials is such that a container floor is made up at least in part of flaps which can be tilted or swung out away from the interior. To this end at least two flaps are connected via a ridging beam or axle... | 04/08/1986 |
| 4301741 | Hopper car outlet gate assembly with self cleaning gear and rack actuation arrangement An outlet gate assembly for application to hoppers of railroad hopper cars that is equipped with a self cleaning rack and gear door plate actuation arrangement, in which the outlet gate assembly includes a frame defined by a pair of spaced apart longitudi... | 11/24/1981 |
| 4236458 | Door locking and actuating mechanism for hopper car A locking and actuating mechanism for a pair of horizontally movable hopper doors includes an arm and actuating linkage which engages a track side cam for moving the doors between open and closed positions. One of the doors includes a keeper which is enga... | 12/02/1980 |
| 4181336 | Hopper car cam lock door operating mechanism A door lock mechanism for hopper cars includes a longitudinally extending operating rod actuated by a linkage means tripped by a track side cam. The rod in turn actuates cam locks by means of bell cranks which cause the locks to rotate and release transve... | 01/01/1980 |
| 4112852 | Railway hopper car labyrinth gate seal A railway hopper car chute having a discharge opening defined by a sidewall frame with a sliding plate gate operating in the discharge opening. An undercarriage support frame is fixed to the sidewall frame to support the gate for sliding movements relativ... | 09/12/1978 |
| 4094254 | Lock for railway hopper car gate railway car gate lock A lock for a railway hopper car gate in which a hopper outlet chute defines a discharge opening with a siding platelike gate operating in the opening. An undercarriage structure having a pair of spaced side frames supports the gate for sliding movement re... | 06/13/1978 |
