Bearing ring fastening assembly

Details Bearing ring fastening assembly Bearing ring fastening assembly

1977-10-03

1978-11-07

Blix, Trygve M.

Cutlery

403350, F16C 3330

Patent

active

041242580

ABSTRACT:
An inner ring of an anti-friction bearing has a central bore with a groove that extends radially outward and circumferentially about an axially intermediate portion of the bore. At the radially outermost portion of the groove is a bottom that is eccentric to the bore. A shaft is received within the bore and maintained centric with the ring. A longitudinally split locking sleeve having an eccentric external contour fits within the groove when the eccentric central axes of the groove bottom and the external sleeve contour are radially aligned with each other from the central axis of the bore. The sleeve has an unstressed bore diameter that is less than the shaft diameter to inherently grip the shaft when inserted therein. Relative rotation between the sleeve and the ring wedges the sleeve and inner ring into a locked position on the shaft. In a preferred embodiment, the ring has a radial hole therein intersecting one radial end of the groove, and at a radial end of the sleeve is a notch for alignment with the hole. Rotatably mounted within the ring hole is a pin that has a lug projecting eccentrically therefrom into the notch in the sleeve. The pin and lug can maintain the alignment of the sleeve relative to the ring, while a shaft is being inserted into the sleeve, and then rotate the sleeve relative to the ring to lock the ring and the sleeve upon the shaft.

REFERENCES:
patent: 3007753 (1961-11-01), Potter
patent: 3339991 (1967-09-01), Howe, Jr.
patent: 3807820 (1974-04-01), Schuhmann
patent: 3881791 (1975-05-01), Hentschel
patent: 3892449 (1975-07-01), Baker
patent: 3938901 (1976-02-01), Howe, Jr.

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