Rack-pinion jack 1

Описание к видео Rack-pinion jack 1

Turn pink crank clockwise to move blue rack up.
Pink ratchet wheel and yellow pawl prevent the rack from falling down.
Push the pawl to bring it out of contact with the ratchet wheel and let the rack move down slowly by holding the crank.

STEP files of this video:
https://www.mediafire.com/file/hfsk4s...
Inventor files of this video:
http://www.mediafire.com/file/nfs81gz...

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