Linear translation without runway 3a

It is an application of Sarrus mechanism. Input: pink crank that can rotate full revolutions. The yellow object is translated vertically along an absolutely straight line (no need of a runway). Its stroke length L = 4R. R: length of the cranks (in pink and blue) and bars (in green). The mechanism has dead positions when the cranks and the bars are vertical so to overcome it the blue cranks are driven thanks to orange face gear. When the platform crosses through the center plane (all the cranks and bars are

• #فناوری_و_رایانه
• #gear
• #sarrus
• #mechanism