Patent ID: 6684729
Filing Date: 2004-02-03
Classification: F16H,Y10T

Abstract:
A toothed gear comprising:(a) a hub having a circumference; (b) a profiled bridge area connected to said hub in first and second parallel planes; and (c) an outer toothed rim connected to said bridge area in said first and second parallel planes; wherein said hub, said bridge area, and said rim form an integral unit and said bridge area comprises a plurality of uniformly spaced, radially extending spokes along the circumference of said hub arranged in an alternating manner on each of said first and second parallel planes passing through said rim, each spoke forming a section of an imaginary disk connecting said toothed rim and said hub, wherein the imaginary disk is profiled in a circumferential direction as a circular function, each spoke being formed in the region of the amplitude of the circular function, and each spoke having a widened transition area on each end of said spoke directly connected to a respective one of said hub and an inner side of said rim.