Scotch yoke of adjustable output stroke length

Input: pink crank shaft.
Output: yellow slider.
Basic Scotch yoke consists of the pink crank shaft, orange slotted slider and blue swivel runway.
A pin fixed on the orange slider moves in cross slot of the output yellow slider.
Alter the angular position of the blue swivel runway using the blue worm gear drive to get various output stroke lengths. Adjustments can be made without stopping the input crank.
The video shows the adjustment process to get from 0 to max stroke length.

STEP files of this video:
https://www.mediafire.com/file/cd9vs9ljik2jiy4/ScotchYokeAdjustableStrokeSTEP.zip/file
Inventor files of this video:
https://www.mediafire.com/file/47xtgfij1rfxht0/ScotchYokeAdjustableStrokeInv.zip/file

Видео Scotch yoke of adjustable output stroke length канала thang010146