Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Luis Hector Palacios Borja0
David Howard Flores Harper0
Date of Patent
November 4, 2008
Patent Application Number
10985436
Date Filed
November 10, 2004
Patent Primary Examiner
Patent abstract
An actuator including a threaded shaft and a carriage having a shaft engaging portion coupled to the threaded shaft. The carriage is moveable in a direction parallel to an axis of the threaded shaft upon a relative rotation between the threaded shaft and the shaft engaging portion. A ceramic bushing is coupled to the shaft engaging portion of the carriage, the bushing surrounding the threaded shaft. The ceramic bushing is much harder than heretofore used materials and results in greatly reduced particulate formation. The carriage or portion thereof can be formed around the bushing, e.g., by injection molding.
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