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Lifting tong arm 12 × 5: link hole 60 mm and foot 80 mm either side of the pivot

What is a lifting tong arm? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: tong arm, lifting tong, brazo de tenaza, Zangenschenkel

Exact dimensions. True size, with no printing tolerance added.

length
153.81 mm
width
19.33 mm
height
5.0 mm

Notes

  • 12 × 5 flat arm with Ø3 holes for the link (60 mm from the pivot) and the crossing pivot, and at 80 mm beyond the pivot a 12 mm deep foot whose face is square to the load when the arms are crossed at ±22.02° on a 40 mm load. Two arms, one turned over, make the tongs.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Lifting tong arm 12 × 5: link hole 60 mm and foot 80 mm either side… size chart

dimensionvalue
arm140 mm between end holes, 12 × 5
holesØ3 at −60 and 0
footprojects 10 mm, 12 deep
arm angle±22.02° on a 40 mm load

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. 494: 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

lifting-tong-arm-140-footarm, z 0..5, pivot at the origin, foot end on +XSTEP · STL
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Plain text: sheet.txt · JSON: /api/geometry?object=lifting-tong-arm-140-foot

Lifting tong arm 12 × 5: link hole 60 mm and foot 80 mm either side of the pivot, isometric render of a generated part
Render of lifting-tong-arm-140-foot from the free STEP; not to scale.

Fits with

Lifting tongs: load-tightened scissor grip, isometric render of a generated part
Lifting tongs: load-tightened scissor grip4 sizes★ 1 file

Questions

What is a lifting tong arm?

12 × 5 flat arm with Ø3 holes for the link (60 mm from the pivot) and the crossing pivot, and at 80 mm beyond the pivot a 12 mm deep foot whose face is square to the load when the arms are crossed at ±22.02° on a 40 mm load. Two arms, one turned over, make the tongs.