Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 26, 2011
Patent Application Number
11941448
Date Filed
November 16, 2007
Patent Primary Examiner
Patent abstract
A chucking mechanism according to the present invention includes a claw member which retains a discoid disk and is arranged between a plurality of claw portions which put a radial force outwardly to a central opening portion of the disk and a plurality of claw portions, a receiving portion and a sliding portion.
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