Dust proofing shutter built-in adapter of LC type optical connector
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United States of America Patent
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Sep 27, 2016
Grant Date -
Mar 19, 2015
app pub date -
May 14, 2014
filing date -
Sep 17, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The invention can prevent a leading end of a ferrule including a core portion from being damaged in an erroneous insertion. A shutter plate is provided with a clearance for receiving in a non-contact manner a leading end portion of a ferrule which is inserted from a diagonally upward direction side before a fitting portion. The clearance is formed into a rectangular shape, a trapezoidal shape, a circular arc shape, a bowl-like recess shape or an opening shape from a front surface side of the shutter plate toward an inner side, and the shutter plate is structured such that the shutter plate is pushed away and opened by a leading end opening edge portion of a coupling sleeve which is provided so as to cover a periphery of the ferrule, at the same time of receiving the leading end portion of the ferrule by the clearance in a non-contact state.
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