Stroking constant velocity universal joint having low stroke loa

Details Stroking constant velocity universal joint having low stroke loa Stroking constant velocity universal joint having low stroke loa

1996-06-26

1997-07-01

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 3223

Patent

active

056430914

ABSTRACT:
A crossed groove stroking constant velocity universal joint including inner and outer joint members having inner and outer ball grooves defining a plurality of crossed pairs and a plurality of spherical bearing balls seated in respective ones of the crossed pairs of inner and outer ball grooves with predetermined running clearance between the grooves and the bearing balls. The bearing balls are confined by the crossed pairs of ball grooves and by a ball cage between the inner and outer joint members to the homokinetic plane of the universal joint for constant velocity operation. Each of the outer ball grooves is circumferentially offset relative to the inner ball groove paired therewith by about the running clearance. Adjacent pairs of outer ball grooves are circumferentially offset in opposite directions relative to the inner ball grooves paired therewith. In a neutral mode of the universal joint corresponding to substantially zero torque transfer between the inner and outer joint members, the bearing balls only roll in the ball grooves to minimize stroke loads and consequent transfer of linear vibrations between the inner and outer joint members.

REFERENCES:
patent: 2838919 (1958-06-01), Cull
patent: 3370441 (1968-02-01), Aucktor
patent: 3475924 (1969-11-01), Aucktor
patent: 3553979 (1971-01-01), Noguhi et al.
patent: 3633382 (1972-01-01), Westercamp
patent: 4019347 (1977-04-01), Krude
patent: 4678453 (1987-07-01), Acktor et al.

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