Screw Drive System
AssemblyA motor-driven lead screw running the height of the mast lifts the platform carriage through a drive nut, with a trailing safety nut that carries the load if the drive nut fails. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Screw Drive System
6 top-level lines as of r189275| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Drive Motor 4 parts | wheelchair-platform-lift-motor | 1× | 1 | 0 | assembly |
| 2 | Ball Screw | ball-screw | 1× | 1 | · | part |
| 3 | Drive Nut | wheelchair-platform-lift-drive-nut | 1× | 1 | · | part |
| 4 | Safety Nut | wheelchair-platform-lift-safety-nut | 1× | 1 | · | part |
| 5 | Drive Belt | drive-belt | 1× | 1 | · | part |
| 6 | Motor Brake | wheelchair-platform-lift-brake | 1× | 1 | · | part |