Spring Counterbalance Mechanism
AssemblyPair of spring-loaded pivot arms on the frame that offset the weight of the door and folded ladder so the unit opens slowly and closes with light effort. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Spring Counterbalance Mechanism parts and their functions
5 top-level parts · 12 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Pivot Arm | 2× | Main lever arms |
| 2 | Coil Spring | 2× | Tension springs |
| 3 | Spring Anchor Plate | 2× | Adjustable anchors |
| 4 | Pivot Pin | 4× | Arm pivots |
| 5 | Arm Connecting Link | 2× | Door connecting links |
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Bill of materials for Spring Counterbalance Mechanism
5 top-level lines · 5 rows shown · 12 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Pivot Arm | attic-ladder-pivot-arm | 2× | 2 | · | part |
| 2 | Coil Spring | coil-spring | 2× | 2 | · | part |
| 3 | Spring Anchor Plate | attic-ladder-spring-anchor | 2× | 2 | · | part |
| 4 | Pivot Pin | attic-ladder-pivot-pin | 4× | 4 | · | part |
| 5 | Arm Connecting Link | attic-ladder-arm-link | 2× | 2 | · | part |
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Where the spring counterbalance mechanism is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.10–$20. How estimates work| 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 |