Stroke length of each door panel = A + D. A: center distance of chain drive. D: pitch diameter of sprockets The chain drive can be replaced with timing belt one. Inventor files of this video: www.mediafire.c...
Please use the Inventor files of video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-A9Fl4Bka7FE.html to know how to simulate a chain drive. Link to get the files is in the video description.