SANWA DENKI KOGYO CO., LTD.
|SANWA DENKI KOGYO CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20150078710||DUST PROOFING SHUTTER BUILT-IN ADAPTER OF LC TYPE OPTICAL CONNECTOR - 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.||03-19-2015|
|20140205239||INTERCONNECTING ADAPTER FOR LC TYPE OPTICAL CONNECTORS - The invention prevents an LC type optical connector plug from seriously harming a body of a worker, particularly eyes of the worker in a work for fitting the LC type optical connector plug having various concavo-convex shapes. A connector housing (||07-24-2014|
|20140126874||OPTICAL CONNECTOR PLUG - An inserting and extracting motion of an optical plug can be easily carried out via a knob, even in a narrow space. An optical connector plug is provided with a stopper guide in a rear portion of an upper surface of a knob to which an optical plug is installed, a spring guide, an outer cover which is provided in an outer surface of the knob, and a spring which is arranged in between the stopper guide and the outer cover. In the optical connector plug, the outer cover is pressed by an optical connector adapter so as to move backward while compressing the spring, whereby a shutter is opened and the optical plug is allowed to protrude forward from the outer cover. The optical connector plug is provided with a grip portion which protrudes up and down and right and left from a rear end portion of the knob.||05-08-2014|
|20110206325||Optical connector plug with shutter - For a less load to a shutter and secure motions of the shutter without damaging a ferrule, a rear stopper guide (||08-25-2011|
Patent applications by SANWA DENKI KOGYO CO., LTD.