INSERT MOLDED ARTICLE FOR MOTOR SHAFT BEARING PORTION, CAPABLE OF PREVENTING INSERT BUSHING FROM ESCAPING FROM COVER CASING

摘要

PURPOSE: An insert molded article is provided to prevent an insert bushing from escaping from a cover casing, by improving the configuration of the insert bushing. CONSTITUTION: An insert bushing(50) comprises a molding portion(52) forming an outer surface of the insert bushing; one or more molding reinforcing portions(54) formed at the molding portion; and a fitting portion(56) formed at the molding portion and the molding reinforcing portions. The insert bushing is insert-molded to a cover casing during die casting process of the cover casing. The molding reinforcing portions are protruded in a radial direction from a bottom of an outer surface of the molding portion.