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| Number | Title | Issue Date |
| 4604023 | Shakeout apparatus A container shakeout apparatus is provided and has a rigid frame upon which a pair of motors supporting eccentric weights are mounted. Spring reactor members are suspended from the frame and said springs in turn suspend a pair of hammers which are adopted... | 08/05/1986 |
| 4068768 | Vibrator bracket assembly for hoppers and railway cars A railway hopper car is provided with a mounting bracket assembly which applies the vibrational loads to the car essentially entirely in shear.... | 01/17/1978 |
| 4039128 | Vibrator bracket assembly for hoppers and railway cars A vibrator bracket assembly for mounting hopper vibrator equipment on hoppers is provided including at least two spaced apart support members each having a longitudinal axis adapted to integrally engage a structural portion of the hopper. A vibrator mount... | 08/02/1977 |
