Library › Mechanisms › Treadle and crank

Assembled mechanism, all parts placed at one pose (STEP keeps each part separate)

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

parameter	treadle
value	100 mm

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From the full sheet

Treadle and crank (crank-rocker four-bar): every size, notes, mating features and sources. How does a treadle turn a wheel?