| 摘要 |
PROBLEM TO BE SOLVED: To provide a linear motion device capable of securing smooth rolling movement of a rolling body in a rolling body return passage. SOLUTION: A plurality of gutters 18 are formed in an inner surface of the rolling body return passage 17 formed in a rolling body circulation member 16 along the longitudinal direction of the rolling body return passage 17 and contact area of the rolling body 15 with the inner surface of the rolling body return passage 17 is reduced. COPYRIGHT: (C)2007,JPO&INPIT
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