| US 7,486,974 B2 | ||
| Hinged device | ||
| Long-Jyh Pan, Taipei County (Taiwan) | ||
| Assigned to Qisda Corporation, Taoyuan County (Taiwan) | ||
| Filed on May 26, 2005, as Appl. No. 11/137,332. | ||
| Claims priority of application No. 93115234 A (TW), filed on May 28, 2004. | ||
| Prior Publication US 2005/0266901 A1, Dec. 01, 2005 | ||
| Int. Cl. H04M 1/00 (2006.01) | ||
| U.S. Cl. 455—575.3 [455/575.1] | 15 Claims |
| 1. A hinged device, comprising:
a first frame comprising a first cam, and the first cam having a first contact surface and a first hole, the first contact
surface substantially enclosing the first hole, the first contact surface having two first peaks and two first feet;
a second frame rotatably connected to the first frame, and the second frame having a receiving slot;
a second cam movably disposed within the receiving slot, the second cam comprising a second contact surface and a second hole,
the second contact surface substantially enclosing the second hole, the second contact surface having two second peaks and
two second feet;
an elastic member disposed between the second frame and the second cam, providing a first elastic force on the second cam
along a first direction; and
an electrical transmission media extending from the first to the second hole;
wherein part of the second cam extended into the receiving slot, and the contact between the first cam and the second cam
only occurs between the first contact surface and the second contact surface;
wherein, when the first frame rotates relative to the second frames, the first peaks and the first feet move relative to the
second peaks and the second feet, so that the second cam moves along the first direction.
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