Patent ID: 7246537

Claim:
A leadscrew assembly comprising: a leadscrew comprising a leadscrew thread wire helically wound about a leadscrew axis in a plurality of cylindrical leadscrew-thread turns and having a leadscrew-thread pitch; and a leadscrew wire nut assembly comprising a nut-assembly wire helically wound about the leadscrew axis in a plurality of cylindrical nut-assembly turns and having a nut-assembly-thread pitch, wherein the nut-assembly-thread pitch is substantially the same as the leadscrew-thread pitch, wherein the nut-assembly turns overlie and mesh with the leadscrew-thread turns, and wherein the nut-assembly wire has a permanent deformation therein, a wire-nut-assembly housing overlying and bonded to at least some of the nut-assembly turns, and a mechanical drive in rotational communication with the leadscrew.