... connection devices, specifically relates to a plate connected to plate connector. Background Technology All kinds of plates like sheet wood, plywood ... , 6, helical gear, 7 pin, 8, positioning holes, 9, plywood, 10 journal sets, 11, spiral groove, 12, screw, 13, interconnect, 14 ... 90 degrees, then eccentric journal sets of teeth 4 and 10 inserted into a connectivity board 14, simply press the lift ...