Hinge device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 3, 2010
Grant Date -
Jan 15, 2009
app pub date -
Jan 24, 2006
filing date -
Jan 25, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hinge device having a first installation frame (10) installed on a first housing (2); a second installation frame (20) installed on a second housing (3); a third installation frame (30) for rotatably supporting a base end section of each of the frames, the base end sections being supported such that a head section side of each frame is rotatable in a direction to approach to and separate from each other, the base end sections being supported through a first main shaft (40) and a second main shaft (50) that are arranged parallel to each other and to which rotation of the frames is transmitted; a rotation force transmission mechanism (80) disposed between the main shafts (40, 50) and including gears (81, 82) having a function of transmitting reverse rotation force from one to the other and vice versa; and a rotation angle restriction means (60). The hinge device enables stable closing operation in which displacement between the housings does not occur.
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