Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1990-12-24
1991-12-10
Wright, Dirk
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74424, 74417, F16H 3706
Patent
active
050707450
ABSTRACT:
A differential for motor vehicles uses a pinion gear attached to a drive shaft to drive a single ring gear attached to a first axle half shaft positioned at right angles to the drive shaft. The axle half shaft is simultaneously fastened to, and coaxially aligned with, the ring gear by means of a disc-shaped centering hub having external splines which simultaneously mesh with adjacent, internally splined cylindrical inner surfaces of the ring gear and a disc-shaped backing plate. Internal splines projecting inward from the inner cylindrical surface of a central coaxial hole through the centering hub mesh with external splines on the cylindrical surface of the axle half shaft.
In one embodiment, a second opposing axle half shaft is allowed to free-wheel within the differential case. In a second embodiment, the opposing axle half shaft is slippably driven by the first axle half shaft by means of a clutch coupling the first and second axle half shafts. In a third embodiment, first and second axle half shafts are rigidly coupled to one another.
REFERENCES:
patent: 2335080 (1943-11-01), Piron
patent: 3926065 (1975-12-01), Summers et al.
patent: 4601359 (1986-07-01), Weismann et al.
patent: 4637276 (1987-01-01), Holan et al.
patent: 4643284 (1987-02-01), Hardt et al.
patent: 4721010 (1988-01-01), Sheldon et al.
patent: 4815338 (1989-03-01), Holan et al.
Holan Robert J.
Lindsey Kelly D.
Chapin William L.
Wright Dirk
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