Hinge mechanism and portable electronic device thereof
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Nov 21, 2016
filing date -
Oct 11, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A hinge mechanism includes a shaft, a first connecting member pivoted to the shaft and connected to a first body, a second connecting member fixed to the shaft and connected to a second body, a limiting frame, a rail base, a pin movably disposed through a slot of the limiting frame, and an elastic member connected to the pin and abutting against the first connecting member for driving the pin against the rail base. The limiting frame is fixed to the first connecting body and pivoted to the shaft. The rail base is fixed to the shaft and has first, second, third arc-shaped rails and a transition rail. When the first body rotates an expanding angle relative to the second body in a first rotating direction, the pin moves along the first arc-shaped rail to the transition rail and abuts against a first stopping end surface of the transition rail.
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