mating lives madrevite to movement of balls

摘要

A recirculating ball screw-nut screw coupling wherein the nut screw is defined by a cylindrical body having an internal helical groove for a number of balls located between the screw and nut screw, and two substantially radial holes each larger in diameter than the helical groove and each engaged by a plug having a hole facing the aforementioned groove; both plugs being connected integral with the opposite ends of a U-shaped fastener fitted on to the outside of the nut screw and having an internal recirculating channel connecting the holes in the plugs to each other, as well as externally via a radial loading hole.