Rack-and-Pinion Drive

Assembly

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Converts door rotation into piston travel: the pinion shaft turns with the arm and drives the racked piston along the bore.

Direct parts	5
Total parts	6
Class	Assembly

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Converts door rotation into piston travel: the pinion shaft turns with the arm and drives the racked piston along the bore. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Rack-and-Pinion Drive parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below

Rack-and-Pinion Drive parts diagram: 1 hydraulic piston, 2 pinion shaft, 3 ball bearing, 4 piston seal ring, 5 check ball. 6 parts in 5 top-level items. — Rack-and-Pinion Drive 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	Hydraulic Piston	1×	Racked hydraulic piston
2	Pinion Shaft	1×	Splined output shaft
3	Ball Bearing	2×	Pinion shaft supports
4	Piston Seal Ring	1×	Bore sealing ring
5	Check Ball	1×	One-way port in piston

3D model

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Build & assembly graph

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Bill of materials for Rack-and-Pinion Drive

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Hydraulic Piston	door-closer-piston	1×	1	·	part
2	Pinion Shaft	door-closer-pinion	1×	1	·	part
3	Ball Bearing	ball-bearing	2×	2	·	part
4	Piston Seal Ring	door-closer-piston-ring	1×	1	·	part
5	Check Ball	door-closer-check-ball	1×	1	·	part

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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