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| Number | Title | Issue Date |
| 7140569 | Forged hammermill hammer An improved free swinging hammer mill hammer design is disclosed and described for comminution of materials such as grain and refuse. The hammer design of the present art is adaptable to most hammer mill or grinders having free swinging systems. The design as disclo... | 11/28/2006 |
| 6598813 | Cutting device, processing equipment, and cutting method An impacting body is mounted rotatably to a spindle provided on a principal plane of a rotor. The impacting body is mounted so that a predetermined fitting gap is provided between the impacting body and the spindle and a part of periphery of the impacting... | 07/29/2003 |
| 5443216 | Hammer mill A mill for shredding objects by rotating hammers. Each hammer has two heads and is mounted to rotate on its central axis. Thus both heads are operative for shredding without stopping the machine.... | 08/22/1995 |
| 4824035 | Cage mill A cage mill includes a housing, a disc rotatably supported within the housing, a plurality of support shafts each fixed at one end to the disc so as to form a cage, a band fixed to the other end of each of the support shafts, a plurality of ceramic pins e... | 04/25/1989 |
| 4343438 | Ring hammer A ring hammer (10) is disclosed for use in material reduction apparatus such as a coal granulator, the ring hammer including a substantially circular body (12) having a plurality of circumferentially spaced radially projecting teeth (22) joined by a corre... | 08/10/1982 |
| 4149677 | Reinforced ring hammer A ring hammer for a reducing machine includes an annular body and tooth projected radially from the annular body and arranged in two rows, with the teeth of the one row being spaced axially from the teeth of the other row and further being offset circumfe... | 04/17/1979 |
| 3934826 | Coal crusher The breaker plate of a coal crusher has holes therein so that coal small enough to pass through those holes does so without being acted upon by the rotor. This increases the capacity of the crusher, reduces fines, and conserves power. The plate is oriente... | 01/27/1976 |
