Library › Mechanisms › Mutilated spur gear moving a rack, a spring bringing it back

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, Xem Studio Design License — Xem Studio

Dimensions

parameter	spring
value	OD8 × Ø1 wire

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From the full sheet

Mutilated spur gear moving a rack, a spring bringing it back: every size, notes, mating features and sources. How does a part-toothed gear and a spring make a rack go back and forth?