Opening and closing device
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United States of America Patent
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Nov 22, 2016
Grant Date -
Apr 21, 2016
app pub date -
Feb 26, 2014
filing date -
Mar 4, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The inner surface of one side section of a frame has the base-end section of a rotation arm of a rotation-biasing element that is rotatable. A roller is provided on the tip-end section of the rotation arm. The roller is pressed against and contacts the rear surface of a door as a result of the biasing by the rotation-biasing element. The rear surface of the door is equipped with a damper element. The damper element has a contact member for pressing against and contacting the roller when the door is in the closed position or in a prescribed intermediate position. The contact member minimizes the speed at which the roller moves forward.
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