DEVICE FOR CONTROLLING THE POSITION OF ROLLER

摘要

A device for controlling a position of a roller is disclosed. The present invention comprises: a roller rotated by coming in contact with a rail; a shaft coupled to the roller to enable a central shaft to be eccentric from a rotational shaft; and a housing installed to penetrate the shaft and where a spline corresponding unit corresponding to a spline formed on one side of the shaft is formed in one end part of an inner surface.