| 20090249910 | LEAD SCREW DEVICE - A lead screw device including a lead screw shaft extending along a longitudinal axis having a lead screw thread portion, and a coupling structure at a proximal end of the lead screw shaft. The coupling structure can have a male securement thread and a female securement thread positioned along the longitudinal axis. The female securement thread can extend within the coupling structure at the proximal end of the lead screw shaft. The coupling structure can provide opposed axial threaded securement to a rotatable shaft along the longitudinal axis from opposing axial directions. | 10-08-2009 |
