Patent ID: 6125713
Filing Date: 2000-10-03
Classification: B23P,F16H,Y10T

Abstract:
A crankshaft apparatus, comprising:a) a crankshaft body that includes an elongated member of a first smaller diameter with an outer surface and first and second end portions, the body having a center of rotation during use, and an enlarged diameter annular rib of a second, larger diameter at one of said end portions;b) a ring gear removably mounted at one of the end portions, the ring gear comprising a pair of gear half sections, each gear half section having a curved inner surface defining a recess that is shaped to conform to the outer surface of the elongated member of first smaller diameter of the crankshaft body, a pair of opposed mating faces, a generally semicircular toothed section, and an annular flange extending both longitudinally of the gear toothed section radially inwardly of said semicircular curved inner surface; andc) a removable connection that secures each ring gear section to the crankshaft body, said removable connection including a plurality of openings in the crankshaft that are spaced radially away from the crankshaft surface, the plurality of openings extending circumferentially about the crankshaft center of rotation, and a plurality of fasteners that attach each gear section to the crankshaft at the openings.