| 主权项 |
1. A spindle nut for a ball screw, comprising a nut part having an inner periphery with a spiral ball groove that is wound around a spindle axis A, balls being rollable in the spiral ball groove, two deflection elements, with one located at each end of the spiral ball groove, wherein the balls are deflected into a curved deflection channel of each of the deflection elements, the nut part has two recesses that are spaced apart from each other in an axial direction and one of the deflection elements is arranged in each of the recesses, the nut part is provided with a straight return channel for the balls, the straight return channel is arranged at an angle relative to the spindle axis A and is connected to the two deflection channels of the deflection elements, the balls are movable along a ball track in the curved deflection channel and in the straight return channel, and the straight return channel is arranged within a wall thickness of the spindle nut with a whole circumference of the straight return channel formed by material of the spindle nut, wherein the return channel is constructed as a return bore that penetrates one of the recesses starting from only one axial end face of the nut part and extends to the other one of the recesses. |
