Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chao Duan0
Chia-Hua Chen0
Zhi-Yu Hu0
Date of Patent
January 24, 2012
Patent Application Number
12548041
Date Filed
August 26, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A washer is for a hinge assembly. The hinge assembly includes a shaft. The washer is placed around the shaft. The engagement between the washer and the shaft is a clearance fit. By the clearance engagement between the washer and the main shaft, the mechanism efficiency is greatly improved.
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