Track Descent System
AssemblyPair of rubber belt tracks that bridge the stair nosings so the chair slides down on a continuous surface instead of dropping step to step. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Track Descent System
6 top-level lines as of r59316| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Track Belt | evacuation-chair-track-belt | 2× | 2 | · | part |
| 2 | Track Frame | evacuation-chair-track-frame | 1× | 1 | · | part |
| 3 | Track Roller | evacuation-chair-track-roller | 8× | 8 | · | part |
| 4 | Belt Tension Axle | evacuation-chair-tension-axle | 2× | 2 | · | part |
| 5 | Track Deploy Linkage | evacuation-chair-deploy-linkage | 1× | 1 | · | part |
| 6 | Ball Bearing | ball-bearing | 8× | 8 | · | part |