Roller bearing for linear movement

Details Roller bearing for linear movement Roller bearing for linear movement

1984-06-26

1987-08-25

Gilreath, Stanley N.

Bearings

Linear bearing

Recirculating

F16C 2906

Patent

active

046889507

ABSTRACT:
A linear motion roller bearing for allowing an object such as a slider to move along a straight line defined, for example, by a track rail includes an endless path and a plurality of rollers having substantially the same size in diameter and height, which are arranged in contact in the endless path with their axes of rotation directed as rotated over 90.degree. alternately with respect to the longitudinal axis of the endless path. The endless path includes a pair of straight portions and a pair of semicircularly curved portions each of which connects the corresponding ends of the pair of straight portions. Each of the curved portions is so structured that the maximum number of rollers which can be present therein ranges between (even number +0.1) and (even number +0.5) if the pair of straight portions are not provided on the same horizontal plane and between (integer +0.1) and (integer +0.5) if the pair of straight portions are provided on the same horizontal plane or a plane close thereto.

REFERENCES:
patent: 4426119 (1984-01-01), Mottate
patent: 4496198 (1985-01-01), Geka
patent: 4511189 (1985-04-01), Mottate
patent: 4556262 (1985-12-01), Geka

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