Fold-Out Mechanism

Assembly

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Riveted steel tri-fold linkage that stows the mattress in three layers under the seat and extends to about 190 cm when opened.

Direct parts	7
Total parts	46
Used in	1 assembly
Class	Assembly

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Riveted steel tri-fold linkage that stows the mattress in three layers under the seat and extends to about 190 cm when opened. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Fold-Out Mechanism parts and their functions

7 top-level parts · 46 parts in total · full bill of materials below

Fold-Out Mechanism parts diagram: 1 mechanism side frame, 2 linkage arm, 3 cross tube, 4 pivot rivet, 5 locking cam, 6 handle bar, 7 coil spring. 46 parts in 7 top-level items. — Fold-Out Mechanism parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Mechanism Side Frame	2×	Left and right linkage plates
2	Linkage Arm	8×	Folding lever arms
3	Cross Tube	5×	Lateral torque tubes
4	Pivot Rivet	24×	Shouldered pivot rivets
5	Locking Cam	2×	Over-center position locks
6	Handle Bar	1×	Pull-out grab bar
7	Coil Spring	4×	Counterbalance springs

3D model

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Build & assembly graph

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Bill of materials for Fold-Out Mechanism

7 top-level lines · 7 rows shown · 46 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Mechanism Side Frame	sofa-bed-mech-side-frame	2×	2	·	part
2	Linkage Arm	sofa-bed-linkage-arm	8×	8	·	part
3	Cross Tube	sofa-bed-cross-tube	5×	5	·	part
4	Pivot Rivet	sofa-bed-pivot-rivet	24×	24	·	part
5	Locking Cam	sofa-bed-locking-cam	2×	2	·	part
6	Handle Bar	sofa-bed-handle-bar	1×	1	·	part
7	Coil Spring	coil-spring	4×	4	·	part

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Where the fold-out mechanism is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Furniture & Durables 1 Sofa Bed

Used in 1 assembly

Sofa Bed

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 $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks