HINGE DEVICE FOR ELECTRONIC APPARATUS

WIPO Patent Application WO/2012/008420

A1

Disclosed is a hinge device that is for an electronic apparatus and that can improve space efficiency of the electronic apparatus. The hinge device has a cam unit and a gear unit at the position of connection of an upper plate and a lower plate. The cam unit has: a first cam mechanism that generates torque at a first cam shaft that connects with the upper plate; and a second cam mechanism that generates torque at a second cam shaft that connects with the lower plate. Also, the gear unit has: a first gear shaft that connects to the upper plate; a second gear shaft that connects to the lower plate; and a gear mechanism that contains a first gear provided to the first gear shaft and a first gear provided to the second gear shaft, and that causes the first gear shaft and the second gear shaft to rotate synchronously.

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MITSUI, Yasuhiro (LTD. Chiba Works 1-6, Yawatakaigandori, Ichihara-sh, Chiba 67, 〒2900067, JP)

JP2011/065813

January 19, 2012

July 11, 2011

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MITSUBISHI STEEL MFG. CO.,LTD. (2-22, Harumi 3-chome Chuo-k, Tokyo 50, 〒1048550, JP)
三菱製鋼株式会社 (〒50 東京都中央区晴海三丁目２番２２号 Tokyo, 〒1048550, JP)

F16C11/04; H04M1/02

ITOH Tadahiko (32nd Floor, Yebisu Garden Place Tower,20-3, Ebisu 4-chome, Shibuya-k, Tokyo 32, 〒1506032, JP)

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