Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinsuke Watanabe0
Date of Patent
May 28, 2019
0Patent Application Number
157299750
Date Filed
October 11, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A spring plate includes a central portion; an opening that is positioned at a center of the central portion; and a strip extending from a part of an inner edge of the opening that is positioned at the center of the central portion. The strip includes a first width that is positioned adjacent to the part of the inner edge of the opening and a second width that is positioned adjacent to an end of the strip. The first width of the strip is wider than the second width that is positioned adjacent to the end of the strip.
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