Yellow and orange rockers, green conrod create a 4-bar linkage.
Raise the blue panel (fixed to the conrod) to open the door.
Use pink pin to prevent the panel from falling at its open position.
This video was made based on:
• How a Garage Door Works
STEP files of this video:
www.mediafire.com/file/zozlej6...
Inventor files of this video:
www.mediafire.com/file/e60k3bf...
13 июн 2019