Patent ID: 6101892
Filing Date: 2000-08-15
Classification: F16H,Y10T

Abstract:
A gearing system comprising:a first gear having a first plurality of teeth each having a first tooth profile including a first transition zone disposed between a first concave portion lying within the dedendum of said first gear and a first convex portion lying within the addendum of said first gear; anda mating gear having a second plurality of teeth each having a second tooth profile including a second transition zone disposed between a second concave portion lying within the dedendum of said mating gear, conjugate to said first convex portion of said first tooth profile of said first plurality of teeth of said first gear, and a second convex portion lying within the addendum of said mating gear, conjugate to said first concave portion of said first tooth profile of said first plurality of teeth of said first gear,wherein the relative curvature of said first tooth profile of said first plurality of teeth of said first gear and said second tooth profile of said second plurality of teeth of said mating gear is a constant which is less than the relative curvature of 20.degree. pressure angle involute gears at their pitch point.