Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fred Eder0
Date of Patent
February 20, 2007
0Patent Application Number
109216880
Date Filed
August 19, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved umbrella includes a durable hub including a number of spherical rotating joint knuckles captured in a hub body. The joint knuckles provide rotational movement of rib and spreader elements which support a flexible umbrella cover. The joint knuckles provide increased bearing surface area that increases ease of use and durability. The hub design enables identical hub bodies to be used for a spreader hub and a rib hub.
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