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Jockey (tightener) lever, 51.48 mm centres, Ø6 holes
What is the jockey (tightener) lever? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Also called: tightener lever, jockey arm, idler arm, palanca tensora, Spannhebel
Exact dimensions. True size, with no printing tolerance added.
- length
- 103.48 mm
- width
- 12.0 mm
- height
- 5.0 mm
Notes
- 12 × 5 mm flat lever with a Ø6 pivot hole and a Ø6 hole 51.48 mm away, and a 40 mm handle beyond it.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).
Jockey (tightener) lever, 51.48 mm centres, Ø6 holes size chart
| dimension | value |
|---|---|
| centres | 51.48 mm |
| holes | Ø6 / Ø6 |
| section | 12 × 5 mm |
| handle | 40 mm |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Henry T. Brown (1868, public domain) | Five Hundred and Seven Mechanical Movements — scan on archive.org | web | Publisher's page; dimensions are facts |
| 507movements.com | Brown's movement No. 5: figure, his text and an animation | web | Publisher's page; dimensions are facts |
| Xem Studio | drawing | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Xem Studio design: free to use, print and sell things from; not to be republished as files. Xem Studio Design License. index.json
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=jockey-lever-bore6
Fits with
Questions
What is the jockey (tightener) lever?
12 × 5 mm flat lever with a Ø6 pivot hole and a Ø6 hole 51.48 mm away, and a 40 mm handle beyond it.