Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially spaced ball
Patent
1991-04-15
1992-11-03
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially spaced ball
464906, F16D 316, F16D 344
Patent
active
051602997
ABSTRACT:
A ball-type universal joint provides three concentric, relatively movable spherical elements that resists both compressive and extensive forces. An outer shell carries a first shaft and defines a medial chamber comprising more than half a hemisphere with a releasably fastenable outer portion to allow access. A medial shell carried in the outer shell chamber defines a spherical chamber comprising more than half a hemisphere with a releasably fastenable outer portion to allow access. An inner spherical ball carries a second shaft and is carried within the chamber defined in the medial shell. A plurality of ball bearings carried in indentations in the outer surface of the medial shell communicate with elongate slots defined in the interior surface of the outer shell to allow angulated motion of the outer and medial shells but prevent rotary motion. A plurality of ball bearings carried in indentations defined in the inner ball communicate with slots defined in the inner surface of the medial shell to allow angulated motion of the inner ball and medial shell but prevent rotary motion. A protective boot encloses the joint between the first and second shafts and lubrication passages are provided for the relatively moving surfaces.
REFERENCES:
patent: 270287 (1883-01-01), Deschamps
patent: 1847677 (1932-03-01), Sternbergh
patent: 1947046 (1934-02-01), Hoffman
patent: 2128088 (1938-08-01), Hanft
patent: 3310960 (1967-03-01), Cull
Bergman Keith S.
Gayoso Tony A.
Stodola Daniel P.
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