Patent attributes
Double nut is capable of adjustment in a ball screw unit so as to regulate tension between the nut and the ball screw with their ball bearings such as to avoid or repair backlash in or maintain precision with the unit. The adjustment may be made without removal of the ball screw unit from a machine in which it operates or automatically. The double nut can be employed with or in methods of making, repair or adjustment of, and manufacturing with the ball screw unit with such a nut. A wiping contrivance for a ball screw nut or unit can be a member in annular form, and made and used in aspects analogous to those of the double nut. A depending foot, ball bearing return may be employed in a ball screw nut or unit in aspects analogous to those of the double nut.
