Press of double toggle action

Input: pink crank. When the crank and blue bar are vertical, they together with green and yellow bars create a parallelogram. The double toggle action (when the pink crank, the blue bar are in line and green bar, yellow bar are in line) gives a strong working force. STEP files of this video: http://www.mediafire.com/download/rxs7x5cnn4v3l2k/PressDoubleToggleSTEP.zip

• #فناوری_و_رایانه
• #linkages
• #mechanisms