Telescopic pole 1

Hold the brown handle, press pink lever and pull green tube. Yellow tube automatically move forward. Release the pink lever for positioning the green and yellow tubes at new position.
The yellow tube moves twice faster than the green tube thanks to belt drive and two pins (in red and in green).
The two pins are fixed to the belt.
The green pin is fixed to the brown handle.
The red pin is fixed to the yellow tube.

STEP files of this video:
http://www.mediafire.com/file/o8m9ltz7r071eir/TelescopicPole1STEP.zip/file
Inventor files of this video:
http://www.mediafire.com/file/mk9f4am6wd0vm7w/TelescopicPole1Inv.zip/file

Видео Telescopic pole 1 канала thang010146