Bearing arrangement for a drive shaft

Details Bearing arrangement for a drive shaft Bearing arrangement for a drive shaft

1997-06-12

1998-11-24

Jones, Eugenia

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

Torque transmitted via flexible element

With stationary housing

464178, 464180, 464183, 56 126, 30276, F16C 106

Patent

active

058399615

ABSTRACT:
The invention is directed to a bearing arrangement for a drive shaft connecting a work tool to a drive unit. A protective tube has an inner wall surface and is part of this bearing arrangement. A bearing structure is mounted in the protective tube and has a bearing sleeve for accommodating the drive shaft therein. A plurality of longitudinally running supporting ribs extend from the bearing sleeve to act on the inner wall surface to hold the bearing sleeve approximately centered in the protective tube. Each of the supporting ribs includes a radial leg extending approximately radially from the bearing sleeve and a peripheral leg extending axially of the radial leg and approximately in the peripheral direction of the inner wall surface. The radial leg has an outer radial end portion facing toward the inner wall surface so as to leave a gap therebetween. The peripheral leg extends from the radial leg at the outer radial end portion and is supported on the inner wall surface. The peripheral leg is joined to the radial leg at an angle of less than 90.degree..

REFERENCES:
patent: 4848846 (1989-07-01), Yamada et al.
patent: 4953294 (1990-09-01), Dohse
patent: 5027873 (1991-07-01), Anselm
patent: 5175932 (1993-01-01), Lange et al.
patent: 5695404 (1997-12-01), Shaulis

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