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| Number | Title | Issue Date |
| 4445600 | Self adjusting release mechanism for clutch A self adjusting release mechanism for disengaging a heavy duty friction clutch that is equipped with a clutch brake. As wear occurs on the facing of the clutch disc, portions of the clutch release mechanism are repositioned to compensate for wear without... | 05/01/1984 |
| 4442579 | Method of and apparatus for producing valve rotors The invention provides a method of and apparatus for imparting a required metering form to the longitudinal outer edges of axially extending grooves of cylindrical rotor members of rotary valves by moving an impressing tool or tools having the required me... | 04/17/1984 |
| 4201026 | Structural member A preformed structural member that includes an elongated web having first and second flanges projecting laterally from its two longitudinal edges. Each of the flanges is of different construction, however, the flanges of two or more members can be interlo... | 05/06/1980 |
