Dual shaft hinge device
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United States of America Patent
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Oct 11, 2016
Grant Date -
N/A
app pub date -
Dec 29, 2015
filing date -
Nov 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A dual shaft hinge device includes a first shaft including a first expansion portion; a second shaft including a second expansion portion; a pair of securing plates joined to the first shaft and the second shaft respectively and connected to a display device and a main body of an electronic device respectively; torque elements connected to the first shaft and the second shaft; a limiting mechanism connected to the first shaft and the second shaft; a first helical gear formed on the first expansion portion; a second helical gear formed on the second expansion portion; a base including two through holes for the first shaft and the second shaft extending therethrough, two extending plates separated by a distance, two transverse through holes formed on the extending plates and two depressed portions formed on a back side of the base; and a middle gear rotatably disposed between the extending plates and engaging the first helical gear and the second helical gear.
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