| 摘要 |
The present invention relates to a bearing screw transferring device including: a screw shaft having a plurality of spiral screw threads formed along the outer circumferential surface thereof and a plurality of spiral valleys formed between the spiral screw threads; a nut body screw- coupled to the screw shaft and having a cylindrical shape having a spiral passageway formed along the inner circumferential surface thereof so as to mate with the screw threads of the screw shaft; and a plurality of radial bearings rotatably mounted at fixed positions along the spiral passageway of the nut body. |
