Machine element or mechanism – Gearing – Rotary bodies
Patent
1998-12-03
2000-10-03
Herrmann, Allan D.
Machine element or mechanism
Gearing
Rotary bodies
2940201, 2940208, F16H 5512, B23P 600
Patent
active
061257133
ABSTRACT:
The present invention provides and improved method of repairing a crankshaft body having a removable gear. The apparatus includes a crankshaft body having first and second end portions, one end portion carrying a raised annular rib that defines and enlarged diameter portion of the body, the body having a center of rotation during use. A ring gear is removably mounted at one of the end portions upon the annular rib. The ring gear is comprised of a pair of gear sections, each having a generally semicircular recess that is shaped to conform to the outer surface of the crankshaft body at the rib, a pair of opposed mating faces, and a generally semicircular outer toothed surface. A removable connection secures each gear section to the crankshaft body. The removable connection includes a plurality of openings in the crankshaft at the raised annular rib. The openings extend circumferentially about the crankshaft center of rotation. A plurality of fasteners attach each gear section to the crankshaft at the openings in the annular rib. Further, fasteners are provided for affixing the gear sections together at the mating faces. A keyway prevents relative rotation between the ring gear and the crankshaft body.
REFERENCES:
patent: 3742779 (1973-07-01), Shaver
patent: 4031769 (1977-06-01), Kassing
patent: 4412443 (1983-11-01), Stoehr
patent: 4609312 (1986-09-01), Sverdlin
patent: 5042319 (1991-08-01), Hobock et al.
patent: 5539979 (1996-07-01), Powers
Gandy Shannon D.
Langlois John M.
Herrmann Allan D.
Partco, Inc.
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