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| Number | Title | Issue Date |
| 7533444 | Hinge mechanism for foldable electronic device A hinge mechanism (20) includes a mounting member (12), at least one retractable elastic shaft (14) and a rotating member (18). The retractable elastic shaft has two opposite ends. The mounting member is located at one end of the retracta... | 05/19/2009 |
| 7100241 | Sprung hinge for closing compartment elements and the like A sprung hinge for elements for closing compartments and the like, comprising a first articulated quadrilateral and a second articulated quadrilateral that are respectively associable with an element for closing a compartment or the like and with a structure that is... | 09/05/2006 |
| 6922873 | Sprung hinge for closing compartment elements and the like A sprung hinge for elements for closing compartments and the like, comprising a first articulated quadrilateral and a second articulated quadrilateral that are respectively associable with an element for closing a compartment or the like and with a structure that is... | 08/02/2005 |
| 6618902 | Tubular spring hinge assembly A tubular spring hinge assembly includes a connecting tube for connecting two tubes, and two separation tubes mounted between the connecting tube and each of the two tubes. Each of the two separation tubes is made of a wear-resistant plastic, thereby elim... | 09/16/2003 |
| 6256839 | Spring hinge structure The present invention provides a structure improvement of spring hinge which mainly utilizes the tension adjustment stand, made of plastic composite material, to simplify the composition in order to achieve the purposes of reducing cost and the difficulti... | 07/10/2001 |
| 5606774 | Structure of door hinge A double tubed door hinge for automatically closing a door comprises a two-tube base, a pair of torsion springs disposed to respective tubes therein and urged at two ends by a pair of first twisting members and a pair of second twisting members, and retai... | 03/04/1997 |
