Patent ID: 9115753
Filing Date: 2015-08-25
Classification: F16C

Abstract:
1. A motion device comprising: a track rail; a moving body movable along the track rail; rolling elements rolling in an endless circulation passage formed at the track rail and the moving body; fixing members each fixed to an end surface of the moving body in a movement direction thereof; and rolling element circulation members arranged between the moving body and the fixing members to circulate the rolling elements, wherein each of the rolling element circulation members comprises: a connection section connected to the end surface of the moving body so as to be rotatable about the movement direction; and a pair of first outside surfaces arranged in parallel with the movement direction and intersecting each other, wherein each of the fixing members comprises: accommodation sections to accommodate the rolling element circulation members; and a pair of first inside surfaces formed at each of the accommodation sections to closely contact with the pair of first outside surfaces, and wherein the respective rolling element circulation members and the accommodation sections are provided at both sides of the track rail interposed therebetween.