VL joint for long plunging distance and large articulation angle

Details VL joint for long plunging distance and large articulation angle VL joint for long plunging distance and large articulation angle

1997-07-03

1999-08-31

Lillis, Eileen Dunn

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Coupling transmits torque via radially spaced ball

464145, 464906, F16D 3223

Patent

active

059446129

ABSTRACT:
A longitudinally plungeable constant velocity universal ball joint has an outer joint part (1) with inner first straight ball tracks (2), an inner joint part (7) with outer second straight ball tracks (8). Each set of associated first and second ball tracks (2, 8) accommodates one ball (10) of a plurality of torque transmitting balls (10) and with the center lines of at least part of the associated first and second ball tracks (2, 8) intersecting one another while crossing the axes (M.sub.i, M.sub.a) of the outer joint part (1) and inner joint part (7) respectively at opposed angles of equal size. Further, an annular cage (5) comprises a plurality of windows (6) corresponding to the plurality of balls (10), each window accommodating one of the balls (10), with the cage (5) having an outer contour which comprises a central spherical surface portion centering the cage (5) relative to the outer joint part (1) when the joint is in the aligned position, and adjoining conical faces half the opening angle of which corresponds to half the maximum articulation angle .beta./2, with the conical faces (32, 33, 42, 43) being positioned inwardly by a distance .DELTA. relative to conical reference faces (12, 13) which tangentially adjoin a central reference face (11) in the form of a segment of a sphere and half the opening angle of which corresponds to half the maximum articulation angle .beta./2.

REFERENCES:
patent: 4678453 (1987-07-01), Aucktor et al.
patent: 4909774 (1990-03-01), Muller
patent: 5221233 (1993-06-01), Jacob
patent: 5242329 (1993-09-01), Jacob
patent: 5292285 (1994-03-01), Ingalsbe et al.
patent: 5643091 (1997-07-01), Kozlowski

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