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United States of America Patent
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-
Feb 24, 2015
Grant Date -
May 16, 2013
app pub date -
Jul 20, 2011
filing date -
Jul 20, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A battery cover includes first and second cover portions and a coupling portion that is arranged in a position lower than upper surfaces of the first and second cover portions, between the first and second cover portions. The coupling portion includes a connection portion that is fixed to the second cover portion and a hinge portion that is thinner than the connection portion. The hinge portion is provided such that hinge end portions on both sides are thicker than a hinge center portion. Each of the hinge end portions is formed such that a side end surface thereof is a curved surface which is gently inclined from the first cover portion to the second cover portion and that an upper surface thereof is formed into a substantially arc-shaped curved surface which is thinnest in its center and inclined upward to gradually become thicker from the center toward both support ends.
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