Cross-linear bearing unit

Details Cross-linear bearing unit Cross-linear bearing unit

1978-09-11

1980-06-03

Frankfort, Charles E.

Cutlery

33 1M, 308 3A, 308 6R, F16C 2906

Patent

active

042058864

ABSTRACT:
A cross-linear bearing unit comprising of: a bearing body having on its one surface a raceway which forms a load track and a return track and is adapted to fit a race bar therein, the bearing body further having a rail hole which forms a load track and a return track and is adapted to fit a rail therein, the rail hole piercing through the bearing body in the direction orthogonal with the raceway; balls inserted in the load track and return track; a retainer disposed in the raceway of the bearing body and serving to hold, out of the balls inserted in the groove of the raceway, the loaded balls in the manner that the balls are rolled while being kept in contact with both the load track surface of the bearing body and the load track surface of the race bar, the retainer also serving to hold the nonloaded balls in the manner that the balls are rolled freely in the return track of the bearing body; and another retainer disposed in the rail hole of the bearing body and serving to hold, out of balls inserted in the groove of the rail hole, the loaded balls in the manner that the balls are rolled while being kept in contact with both the load track surface of the bearing body and the load track surface of the rail, the retainer also serving to hold the nonloaded balls in the manner that the balls are rolled freely in the return track of the bearing body: wherein the rails are mounted on a bed horizontally or vertically through bearings respectively, and a slide base is attached to the race bars orthogonal with the rails.

REFERENCES:
patent: 3624910 (1971-12-01), Farrand
patent: 4040679 (1977-08-01), Teramachi
patent: 4118101 (1978-10-01), Teramachi

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