Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 9, 2008
Patent Application Number
11241445
Date Filed
September 30, 2005
Patent Primary Examiner
Patent abstract
An improved “twist-lok” binder ring metal 10 includes binder rings (12-16) comprised of pairs of binder ring halves having an end attached to leaves (18, 20). Each leaf has swedges (18a, 18b, 20a, 20b) are spaced along the length of the metal. A cover (22) fitting over the leaves has spaced openings (24) through which ring halves extend. The cover and leaves only have a point contact with each other, and the leaves extend away from the cover at a relatively shallow angle.
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