| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a device for sending articles with screw capable of preventing reduction of operability due to vibration of a deflector piece in the screwing device formed that a rolling element return member consists of a pair of deflector pieces each having return guide passages to guide a rolling element along the lead angle of a rolling element rolling groove; and a return guide passage connecting element and a pair of deflector piece built-in holes are formed in the outer surface of a nut. <P>SOLUTION: The device is constituted so that a pair of deflector piece contact parts 25 and 25 having a mating surface 25a approximately in the same size as the size of the cross section of the deflector piece are situated at the return guide passage electing element 172, and the mating surface 25a of the deflector piece contact part 25 is pressed against the upper end face of the deflector piece built in a deflector piece built-in hole. <P>COPYRIGHT: (C)2004,JPO |
