Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Torque transmitted via intermeshing teeth on drive and...
Patent
1987-07-30
1988-12-06
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Torque transmitted via intermeshing teeth on drive and...
464106, 464170, 403 57, F16D 316
Patent
active
047893770
ABSTRACT:
A universal joint comprises a driving shaft and an angularly movable driven shaft. Each shaft comprises a cluster of axially interengaging gear teeth. Each gear tooth is semi-spherical, and each adjacent pair of gear teeth define a semi-spherical socket between them. A bearing ball is fixed to one or the other of the gear clusters, and comprises a circumferential array of part-spherical recesses adapted to receive the ends of the semi-spherical gear teeth on the shaft that does not support the bearing ball. The specially formed bearing ball and its associated gear cluster thus define a support and bearing structure that permits the gear teeth of each cluster to mesh smoothly and evenly over a range of angular movement of the movable gear of 0.degree.-90.degree.. The universal joint is provided with a slotted casing that permits the movable gear to assume this range of angular movement. The interior of the slotted casing is provided with differentiated bearing surfaces that provide sufficient clearance for the gear cluster of the movable gear to assume its range of angular movement, and support the movable gear over all of this range of movement.
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