Track Descent System Assembly
Pair 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.
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Bill of materials
6 top-level lines · 6 rows shown · 22 parts total · indented to 3 levels| # | 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 |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳JLCPCB jlcpcb.com ↗ | Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
| 🇨🇳PCBWay pcbway.com ↗ | Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |