Bearing for both linear and curvilinear motions

Details Bearing for both linear and curvilinear motions Bearing for both linear and curvilinear motions

1988-05-20

1989-07-04

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

384 43, F16C 2906

Patent

active

048446246

ABSTRACT:
The present invention relates to a bearing for both linear and curvilinear motions which has a track rail, a bearing body provided with an endless track and a multiplicity of balls which recirculate through the endless track provided in the bearing body, wherein the endless track is defined by a loaded ball rolling surface which is provided with a linear loaded domain and a curvilinear loaded domain having a predetermined curvature, so that, in a linear area of the track surface of the track rail, a load is born by balls rolling on the linear loaded domain, whereas, in a curvilinear area of the track surface of the track rail, a load is born by balls rolling on the curvilinear loaded domain. Thus, it is possible to perform both linear and curvilinear guide operations with a single bearing.

REFERENCES:
patent: 4557532 (1985-12-01), Teramachi

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