PICKING PREVENTION FITTING

PROBLEM TO BE SOLVED: To provide a picking prevention fitting capable of preventing unlocking action by picking by covering an existing lock hole while displaying empty house.SOLUTION: The picking prevention fitting includes: a pair of spacers having a generally semi-cylindrical shape, which can be attachable onto a lever handle or grip ball door knob of entrance door to cover the outer periphery of a small diameter portion at the rear side thereof, and each of which is formed with a groove of a circular arc shape along the outer periphery face thereof; a first plate which has a circular-arc concave part intrusive into the circular arc shaped groove; and a second plate which is attached rotatably in a plane parallel to the first plate being interposed by a coupling axis. Each of the first plate and the second plate has a locking rod insertion hole for allowing a locking rod to be inserted therethrough.SELECTED DRAWING: Figure 1 【課題】空き家を表示すると共に、既設の錠穴をカバーしピッキングによる解錠行為を防止することができるピッキング防止用金具を提供する。【解決手段】ピッキング防止用金具は、玄関ドアのレバーハンドル又は握り玉ドアノブ奥側の径小部の外周を覆うように装着可能であり外周面に沿って円弧状の溝が形成された１対の略半円筒形スペーサと、円弧状の溝に嵌入可能な凹形状の円弧部を有する第１のプレートと、連結軸を介して第１のプレートと互いに平行な平面内において回動自在に装着された第２のプレートとを備え、第１のプレート及び第２のプレートの各々は、錠の錠杆を挿通する錠杆挿通孔を有している。【選択図】図１