Hinge device and apparatus using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Dec 23, 2010
app pub date -
Jun 18, 2009
filing date -
Jun 18, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hinge device is provided with a first cam rotating together with a first member, and a second cam rotating together with a second member. The first and second cams are provided with a cam portion and a cam engaging portion engaging with each other when the first and second members rotate to a predetermined position. A continuous groove is formed in a surface of the second cam opposite to a surface in which the cam engaging portion is formed. A ball holder rotates together with the first cam, and includes holding grooves. Balls are provided between the second cam and the ball holder, and move along the continuous groove and the holding grooves. When the cam portion and the cam engaging portion change from a partially engaged state into an engaged state, ball or transmission movable bodies pass curved portions of the continuous groove and suppress rotation.
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