Metal working – Method of mechanical manufacture – Gear making
Patent
1998-08-10
2000-05-16
Echols, P. W.
Metal working
Method of mechanical manufacture
Gear making
29463, 74606, 74607, 475230, B21D 5328
Patent
active
060619074
ABSTRACT:
A housing for differential mechanism is formed in two pieces using a cold flow-forming process. Each of the housing portions is formed with an internal hemispherical surface, and semi-circular recesses, which when aligned form circular recesses within which a pinion shaft is seated. A subassembly that includes the pinion shaft, pinion gears, side bevel gears, and a thin plastic liner surrounding the subassembly is located within a lower housing portion so that the pinion shaft is seated in the recesses. The upper housing portion is inserted within the upper portion and welded. A ring gear is joined to a housing portion.
REFERENCES:
patent: 3514839 (1970-06-01), Rodrigues
patent: 4125026 (1978-11-01), Torii et al.
patent: 4221138 (1980-09-01), Stewart et al.
patent: 5533423 (1996-07-01), Stehle et al.
Budge Lawrence Jensen
Goff, Jr. Kenneth H
Schmitz Christian Peter
Szuba Joseph A.
Victoria Alfred Balacan
Echols P. W.
Ford Global Technologies Inc.
McKenzie Frank G.
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