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Slotted bell crank: 100 mm arm with a 6.4 slot (50–90 mm) and a 50 mm arm at 90°, Ø5 bore
What is a slotted bell crank? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Also called: slotted bell crank, slotted lever, palanca acodada ranurada, geschlitzter Winkelhebel
Exact dimensions. True size, with no printing tolerance added.
- length
- 64.0 mm
- width
- 115.0 mm
- height
- 8.0 mm
Notes
- 8 mm plate pivoted on a Ø5 pin: one arm 16 wide and 100 long with a 6.4 mm slot from 50 to 90 mm out for a crank pin's slide block, the other 12 wide with a Ø3 hole 50 mm out at 90°.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).
Slotted bell crank: 100 mm arm with a 6.4 slot (50–90 mm) and a 50… size chart
| dimension | value |
|---|---|
| slotted arm | 100 mm, 6.4 slot 50–90 |
| second arm | 50 mm at 90°, Ø3 hole |
| bore | Ø5 |
| thickness | 8 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. 156: 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=slotted-bell-crank-100-50-slot-50-90-b5

Fits with
Questions
What is a slotted bell crank?
8 mm plate pivoted on a Ø5 pin: one arm 16 wide and 100 long with a 6.4 mm slot from 50 to 90 mm out for a crank pin's slide block, the other 12 wide with a Ø3 hole 50 mm out at 90°.
