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Discussion History

Coupler head

Assembly

The cast steel head that gathers, couples, and locks to a mating coupler. Houses the knuckle and the internal locking mechanism. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Coupler head parts and their functions

9 top-level parts · 14 parts in total · full bill of materials below
Coupler head parts diagram: 1 coupler body, 2 knuckle, 3 knuckle pin, 4 knuckle thrower, 5 lock assembly, 6 anti-creep shelf, 7 gathering wing, 8 contour wear plate, 9 gauge wear plate. 14 parts in 9 top-level items.
Coupler head parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Coupler body 1× E-type Grade E cast steel body
2 Knuckle 1× Pivoting jaw
3 Knuckle pin 1× Vertical pivot pin
4 Knuckle thrower 2 parts 1× Opens the knuckle on uncoupling
5 Lock assembly 4 parts 1× Lock and lock lift
6 Anti-creep shelf 1× Anti-creep protection ledge
7 Gathering wing 2× Guard arm gathering surfaces
8 Contour wear plate 1× Coupling contour wear plate
9 Gauge wear plate 1× Knuckle nose gauge plate

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

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Bill of materials for Coupler head

9 top-level lines · 15 rows shown · 14 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Coupler body kc-coupler-body 1× 1 · part
2 Knuckle kc-knuckle 1× 1 · part
3 Knuckle pin kc-knuckle-pin 1× 1 · part
4 Knuckle thrower 2 parts kc-knuckle-thrower 1× 1 2 assembly
4.1 Thrower casting kc-thrower-casting 1× 1 · part
4.2 Thrower pivot pin kc-thrower-pin 1× 1 · part
5 Lock assembly 4 parts kc-lock-assembly 1× 1 4 assembly
5.1 Lock kc-lock 1× 1 · part
5.2 Rotary lock lift kc-lock-lift 1× 1 · part
5.3 Lock lift pin kc-lock-pin 1× 1 · part
5.4 Locking-set lever kc-lockset-lever 1× 1 · part
6 Anti-creep shelf kc-anti-creep-shelf 1× 1 · part
7 Gathering wing kc-gathering-wing 2× 2 · part
8 Contour wear plate kc-contour-wear-plate 1× 1 · part
9 Gauge wear plate kc-gauge-wear-plate 1× 1 · part

Where the coupler head is used

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

Used in 1 assembly

Knuckle Coupler

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
VendorHQSpecialtyMOQLead 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