Metal working – Method of mechanical manufacture – Process for making bearing or component thereof
Reexamination Certificate
2005-04-26
2005-04-26
Joyce, William C. (Department: 3682)
Metal working
Method of mechanical manufacture
Process for making bearing or component thereof
C384S544000, C384S571000
Reexamination Certificate
active
06883236
ABSTRACT:
A double row tapered roller bearing with vertex of contact angles outside of the bearing is externally fitted to an outer periphery of a hub wheel to which a wheel is attached. A shaft end of the hub wheel is deformed outwardly in a radial direction so as to be caulked to an outer end surface of an inner ring of the bearing. A raceway track of at least one of the inner ring and the outer ring in the bearing is designed so as to satisfy a condition that a predetermined form is secured in a state that the raceway track is elastically deformed by the caulking. As a result, satisfactory rolling performance of the tapered roller after the caulking is secured, and a predetermined life of the bearing apparatus after the caulking can be obtained.
REFERENCES:
patent: 11097510 (2000-10-01), None
Mitarai Tadashi
Morimura Naoki
Toda Kazutoshi
Tomita Daisaku
Jordan and Hamburg LLP
Joyce William C.
Koyo Seiko Co. Ltd.
Smith Julie K.
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