Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ching-Wen Kao0
Date of Patent
October 23, 2007
0Patent Application Number
114945040
Date Filed
July 28, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A brake disk has a disk body. The disk body has two sides, an outer periphery, a central hole, multiple through holes and multiple curved grooves. The central hole is defined through the disk body. The through holes are defined through the disk body around the central hole. The curved grooves are defined respectively in the sides of the disk body and each groove has a first end extending to the outer periphery of the disk body and a second end extending to and communicating with one of the through holes.
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