Joints and connections – Articulated members – Plural distinct articulation axes
Patent
1987-10-05
1989-05-02
Kundrat, Andrew V.
Joints and connections
Articulated members
Plural distinct articulation axes
403 74, 403141, 464134, F16D 300
Patent
active
048263427
ABSTRACT:
A universal joint having first and second shaft members respectively including a pair of yoke portions and a ball member disposed between the first and second shaft members for movably interconnecting the same. The respective first and second shaft members are constituted by two separate half-elements together with forming the respective pair of yoke portions. Base seats respectively having a truncated cone shape are provided in mutually opposing faces of the yoke portions such that each virtual cone has a virtual vertex having an angle of substantially 90 degrees and at the same time the virtual vertexes of the cones are substantially in contact with each other, the base seats respectively defining arc faces in mutually opposing surfaces thereof. And, the arc faces respectively have a central axis in a direction transverse to the shaft members and are formed by a part of a peripheral face of a virtual cylinder having the same diameter as the ball member which is rotatably supported between these arc faces.
REFERENCES:
patent: 1153789 (1915-09-01), Hopkins
patent: 3045455 (1962-07-01), Potgieter
patent: 3490798 (1970-01-01), Spyra
Greigg Edwin E.
Kundrat Andrew V.
Sanyu Co., Ltd.
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