Patent ID: 8016486

Claim:
A rolling guiding device, comprising: a raceway rail; a plurality of balls; and a movement block assembled to the raceway rail through an intermediation of the balls, wherein in at least one surface of the raceway rail opposed to the movement block, there is formed a ball rolling groove extending in the longitudinal direction of the raceway rail, and in one surface of the movement block opposed to the rolling groove, there is formed a track groove through which the balls make an endless circulation, the track groove comprises a load straight-line groove which allows, between the track groove and the rolling groove of the raceway rail, the balls to roll along while bearing a load; a pair of ball deflection grooves respectively provided at both ends of the load straight-line groove and adapted to release the balls having rolled through the load straight-line groove from the load and to change their rolling direction, causing the balls to leave the rolling groove of the raceway rail; and a non-load straight-line groove for transferring the balls in a non-load state from one ball deflection groove to the other ball deflection groove, and the non-load straight-line groove of the movement block is opposed to the raceway rail so that the balls are retained in the non-load straight-line groove.