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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

dimensionvalue
slotted arm100 mm, 6.4 slot 50–90
second arm50 mm at 90°, Ø3 hole
boreØ5
thickness8 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.orgwebPublisher's page; dimensions are facts
507movements.comBrown's movement No. 156: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher'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

slotted-bell-crank-100-50slotted arm on +Y, second arm on +X, z 0..8STEP · STL
Let your AI pull this. Add 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.
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Plain text: sheet.txt · JSON: /api/geometry?object=slotted-bell-crank-100-50-slot-50-90-b5

Slotted bell crank: 100 mm arm with a 6.4 slot (50–90 mm) and a 50 mm arm at 90°, Ø5 bore, isometric render of a generated part
Render of slotted-bell-crank-100-50 from the free STEP; not to scale.

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°.