Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 14, 2010
Patent Application Number
10592528
Date Filed
March 11, 2005
Patent Primary Examiner
Patent abstract
The action curve (A), that is, the locus of the gearing contact points throughout the gearing process, is a lemniscate (Lg, Ld) having a double point coinciding with the rolling point (T) of two pitch circles (Prg, Prd). The gearing contact begins at one of the apexes (Sgh) of the lemniscate under a zero Hertzian pressure between two profile points where the profiles have the same curvature centered at the rolling point (T). Wear and operating noise are reduced.
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