Patent ID: 6883396

Claim:
A leadscrew assembly comprising: a leadscrew comprising a thread wire helically wrapped in a plurality of turns about a leadscrew axis and having a groove between the turns; and a leadscrew wire nut assembly comprising a first wire nut comprising at least one turn of a first-nut wire overlying and engaged to the groove between the turns of the thread wire, a second wire nut comprising at least one turn of a second-nut wire overlying and engaged to the groove between the turns of the thread wire, wherein the second wire nut is spaced apart from the first wire nut along the leadscrew axis, a compressed preload spring maintaining a compression preload against the second wire nut, and a wire-nut-assembly housing overlying the first wire nut, the second wire nut, and the preload spring, wherein the wire-nut-assembly housing maintains the preload spring in compression.