In an opening/closing type portable terminal device having first and second box members that can be opened and closed and turned through a hinge, an object of the invention is to miniaturize the hinge and the device. A second turnable shaft (123) crosses a first turnable shaft (122) to turn together...http://www.google.de/patents/US20050177978?utm_source=gb-gplus-sharePatent US20050177978 - Hinge, and opening/closing type portable terminal device having the same
