Counterbalance Spring Assembly
The helical torsion spring inside the barrel that stores energy to offset the curtain weight, so the operator (or a person, in a power cut) only has to overcome friction rather than lift the full curtain mass. 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
3 top-level lines · 3 rows shown · 4 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Coil Spring | coil-spring | 1× | 1 | — | part |
| 2 | Spring Shaft | ocg-spring-shaft | 1× | 1 | — | part |
| 3 | Spring Anchor Plug | ocg-spring-anchor | 2× | 2 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.10–$20 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| gabrielindia.com ↗ | Pune, IN | Shock absorbers & dampers | 2,000 pcs | 5–8 wks |
| jaiparabolic.com ↗ | Yamunanagar, IN | Leaf & parabolic springs | 2,000 pcs | 5–8 wks |
| munjalshowa.net ↗ | Gurugram, IN | Shock absorbers & struts | 2,000 pcs | 5–8 wks |
| sokonindustry.com ↗ | Chongqing, CN | Springs & auto parts | 2,000 pcs | 5–8 wks |
| nrbbearings.com ↗ | Mumbai, IN | Needle & auto bearings | 2,000 pcs | 5–8 wks |