US Patent 7971690 Coned disc spring
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Patent abstract
A coned disc spring is arranged between a second component and a third component provided inside a tubular first component and movable in an axial direction. The coned disc spring comprises a body having a circular dish shape, teeth closely fitting into spline grooves formed on an inner peripheral surface of the first component and projecting to a radial outer side on an outer periphery of the body, and a stress relaxation portion formed in a flat shape or a curved shape at an edge portion of a circular arc portion at the base of the tooth in a direction at least one of a circumferential direction and a radial direction of the body.
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Patent Inventor Names
Hironobu Imaizumi0
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US Patent 07971690 Coned disc spring US Patent 7971690 Coned disc spring
Infobox
Patent Number
079716900
Patent Number
79716900
Edits on 25 Mar, 2023
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Infobox
Is a
Patent Jurisdiction
Patent Number
079716900
Date of Patent
July 5, 2011
0Patent Application Number
118838750
Date Filed
February 10, 2006
0Patent Primary Examiner
Edits on 8 Dec, 2021
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US Patent 07971690 Coned disc spring
Infobox
Is a
Patent jurisdiction
Patent number
07971690
Date of patent
July 5, 2011
Patent application number
11883875
Date Filed
February 10, 2006
Patent primary examiner
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