Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 2, 2009
Patent Application Number
11212747
Date Filed
August 29, 2005
Patent Primary Examiner
Patent abstract
A method of manufacturing a clutch housing which accommodates therein a plurality of clutch plates adapted to be engaged together so as to transmit a torque, wherein a drum portion and a boss portion can be integrally formed from a plate material so as to form a thick portion having a thickness of not less than approximately 1.3 times as large as that of the plate material and a thin portion having a thickness of not greater than approximately ½ of that of the plate material.
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