Roll Mechanism
AssemblyFeed and take-up spools advancing perforated paper roll at constant speed. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Roll Mechanism
6 top-level lines as of r128143| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Feed Spool | player-piano-roll-spool-feed | 1× | 1 | · | part |
| 2 | Takeup Spool | player-piano-roll-spool-take-up | 1× | 1 | · | part |
| 3 | Roll Guide | player-piano-roll-guide | 1× | 1 | · | part |
| 4 | Capstan Roller | player-piano-capstan-roller | 1× | 1 | · | part |
| 5 | Synchronous Drive | player-piano-synchronous-drive | 1× | 1 | · | part |
| 6 | Drive Belt | drive-belt | 1× | 1 | · | part |