Safety Lock System

Assembly

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Interlock that blocks dial rotation when the dumbbell is lifted, so plates cannot release mid-set.

Direct parts	4
Total parts	8
Used in	1 assembly
Class	Assembly

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Interlock that blocks dial rotation when the dumbbell is lifted, so plates cannot release mid-set. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Safety Lock System parts and their functions

4 top-level parts · 8 parts in total · full bill of materials below

Safety Lock System parts diagram: 1 lock pawl, 2 cradle probe pin, 3 coil spring, 4 lock plate. 8 parts in 4 top-level items. — Safety Lock System 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	Lock Pawl	2×	Spring-loaded pawl that drops into the cam disc teeth once the dumbbell leaves the cradle.
2	Cradle Probe Pin	2×	Plunger pressed by the cradle floor that withdraws the lock pawl only while docked.
3	Coil Spring	2×	Pawl return springs
4	Lock Plate	2×	Toothed plate fixed to the cam that the pawl engages to freeze the selection.

3D model

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Build & assembly graph

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Bill of materials for Safety Lock System

4 top-level lines · 4 rows shown · 8 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Lock Pawl	adjustable-dumbbell-lock-pawl	2×	2	·	part
2	Cradle Probe Pin	adjustable-dumbbell-base-probe	2×	2	·	part
3	Coil Spring	coil-spring	2×	2	·	part
4	Lock Plate	adjustable-dumbbell-lock-plate	2×	2	·	part

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Where the safety lock system is used

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

Sports & Fitness 1 Adjustable Dumbbell

Used in 1 assembly

Adjustable Dumbbell

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