Shaft assembly

Details Shaft assembly Shaft assembly

1996-12-04

1998-09-29

Dunn, Eileen A.

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

Coupling accommodates drive between members having...

Coupling transmits torque via radially spaced ball

464144, 464906, F16D 322

Patent

active

058139176

ABSTRACT:
A shaft assembly in which a cross-groove universal joint is mounted on each of the two end portions of a shaft. In this cross-groove universal joint, an inner race formed in the outer circumference with ball grooves inclined alternately in opposite directions with respect to the axial direction and an outer race formed in the inner circumference with ball grooves oriented to intersect the former ball grooves are concentrically fitted. Balls are arranged at the intersections between the ball grooves of the inner race and the ball grooves of the outer race, as confronting each other. The balls are retained by a cage arranged between the inner race and the outer race. A first inner race is fixed on one end portion of shaft, and a second inner race is fixed on the other end portion of the shaft such that with respect to any of the ball grooves of the first inner race, the ball grooves, as inclined in the directions opposed to those of the former ball grooves with respect to the axial direction, are positioned within an offset range of a predetermined phase from the complete in-phase position in the circumferential direction of the shaft.

REFERENCES:
patent: 4232756 (1980-11-01), Bathelt
patent: 4300651 (1981-11-01), Krude
patent: 4878882 (1989-11-01), Welschof et al.
patent: 4892433 (1990-01-01), Schreiber
patent: 5026325 (1991-06-01), Welschof
patent: 5052979 (1991-10-01), Welschof et al.
patent: 5186687 (1993-02-01), Hayashi et al.
patent: 5531643 (1996-07-01), Welschof

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