09-05-2013 дата публикации
Номер: US20130111704A1
A hinge apparatus for an electronic device includes a cam unit and a gear unit provided at a connecting position of an upper plate and a lower plate. The cam unit includes a first cam mechanism for causing a first cam shaft connected to an upper plate to generate a torque and a second cam mechanism for causing a second cam shaft connected to a lower plate to generate a torque. Further, the gear unit includes a first gear shaft connected to the upper plate and a second gear shaft connected to the lower plate, a first gear provided in the first gear shaft, a first gear provided in the second gear shaft, and a gear mechanism that synchronizes and rotates the first gear shaft and the second gear shaft. 1. A hinge apparatus for an electronic device comprising:a cam unit; anda gear unit; a cam cover,', 'a first cam shaft that is rotatably arranged in the cam cover and connected to a first cam bracket fixed to a first plate,', 'a first cam mechanism that causes the first cam shaft to generate a torque,', 'a second cam shaft configured to independently rotate relative to the first cam shaft and connected to a second cam bracket fixed to a second plate, and', 'a second cam mechanism that causes the second cam shaft to generate a torque,, 'wherein the cam unit includes'} a gear cover,', 'a first gear shaft that is rotatably arranged in the gear cover and connected to a first cam bracket fixed to the first plate,', 'a first gear part arranged in the first gear shaft,', 'a second gear shaft that is rotatably arranged in the gear cover and connected to a second cam bracket fixed to the second plate,', 'a second gear part arranged in the second gear shaft, and', 'a gear mechanism including the first gear part and the second gear part, and configured to synchronize and rotate the first gear shaft and the second gear shaft,, 'wherein the gear unit includes'}wherein the cam unit and the gear unit are positioned away from and faced against the first and second plates that are ...
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