Ceiling window 1

Yellow panels, violet and blue rockers create parallelogram mechanisms. Grey crank fixed to a load chain-wheel moves the panels synchronically. The gravity and two red stoppers keep the panels firmly at their end positions. STEP files of this video: http://www.mediafire.com/download/nv1cv9ov9ec0te3/CeilingWindow1STEP.zip

• #فناوری_و_رایانه
• #windows
• #linkages
• #mechanisms