Cylinder Mechanism
AssemblyDisc of minus-cylinder lenses (0 to -6 D) in rotatable cells, with a ring gear turning all cylinder axes together against a 0–180° scale. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Cylinder Mechanism
6 top-level lines as of r124546| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Cylinder Lens Disc | phoropter-cylinder-disc | 1× | 1 | · | part |
| 2 | Cylinder Lens Cell | phoropter-cylinder-lens-cell | 7× | 7 | · | part |
| 3 | Axis Ring Gear | phoropter-axis-ring-gear | 1× | 1 | · | part |
| 4 | Cylinder Axis Knob | phoropter-axis-knob | 1× | 1 | · | part |
| 5 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 6 | Cylinder Power Knob | phoropter-cyl-power-knob | 1× | 1 | · | part |