Recirculation ball-screw device

Details Recirculation ball-screw device Recirculation ball-screw device

1998-06-05

2000-03-28

Fenstermacher, David M.

Machine element or mechanism

Gearing

Teeth

74 8915, 744248R, F16H 5517

Patent

active

060416726

ABSTRACT:
A ball-screw device is provided that includes a bearing seat with an internal thread for receiving a screw rod with a plurality of balls therebetween. A guiding groove is formed on an outer surface of the bearing seat, and a screw hole is formed at each of the opposing ends of the guiding groove. Balls from within the bearing seat will pass through one through hole, travel along the guiding groove and return to the interior of the bearing seat through the other through hole, when the screw rod is rotated. By that arrangement, vibration of the bearing seat is avoided.

REFERENCES:
patent: 4211125 (1980-07-01), Benton
patent: 5014568 (1991-05-01), Schlenker
patent: 5373755 (1994-12-01), Rohlinger
patent: 5711188 (1998-01-01), Miyaguchi et al.

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