Library › Mechanisms › Crank and slotted lever quick-return mechanism

Assembled mechanism, all parts placed (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	lever
value	140 mm slotted

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From the full sheet

Crank and slotted lever quick-return mechanism: every size, notes, mating features and sources. How does a quick-return mechanism work?