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This type of door has been seen in school buses before.
The bus driver uses his right hand to unlock and turn the blue crank to open or close the door.
A 4-bar linkage of orange connecting rod ensures the two door panels to be opened or closed at the same time.
Red latch locks the door in the closed position.
The video was made based on:
• 1997 AmTran Internatio...
• Linear Actuator
Inventor files of this video:
www.mediafire....