Simple hinge unit capable of providing electrical connection in an electronic apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 13, 2009
Grant Date -
Mar 24, 2005
app pub date -
Sep 17, 2004
filing date -
Sep 19, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a hinge unit for use in an electronic apparatus, a shaft has a part held by a first member unrotatable and axially unmovable. Around the other part of the shaft, a flexible portion of a circuit board is wound. A second member is rotatable and axially unmovable with respect to the shaft. An intermediate member is faced to the second member in an axial direction and is unrotatable and axially movable with respect to the shaft. By an elastic member interposed between the shaft and the intermediate member, the intermediate member is urged towards the second member in the axial direction. The second member and the intermediate member are engaged with each other in a rotating direction by an engaging structure. The engaging structure releases the engagement with energization of the elastic member in response to a rotating force applied between the second member and the intermediate member.
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