A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
U-SHAPED DOOR GUARD REINFORCEMENT OF ENTRANCE
To provide a U-shaped door guard reinforcement of the entrance for preventing that it is easy to unlock by breaking the main key of the door and using a string from a slightly opened gap, and being able to smoothly detach and attach.SOLUTION: There is provided a U-shaped door guard reinforcement of entrance in which a stopper is provided at one end of a short side of a rectangular stopper fall prevention cover, a hook-shaped surface fastener is provided at one end on the opposite side and a stopper having a loop-shaped surface fastener on the entire surface of the rear surface is embedded in the lock arm space portion of the U-shaped entrance door guard, and the stopper fall prevention cover is wrapped and fixed around the lock arm.SELECTED DRAWING: Figure 6
【課題】 従来普及している玄関のＵ字型ドアガードでは、ドアの本鍵を壊してわずかに開いた隙間から紐を使って簡単にロックを外せる。これを防止し、かつ、スムーズに脱着できるための玄関のＵ字型ドアガード補強具を提供する。【解決手段】 長方形のストッパー落下防止カバーの短い辺の一端にストッパーを設け、その反対側の一端にはフック状面ファスナーを設け、その裏面は全面にループ状面ファスナーが設けられたストッパーを、Ｕ字型玄関ドアガードのロックアーム空間部に埋め込み、ロックアームにストッパー落下防止カバーを巻きつけて固定した玄関のＵ字型ドアガード補強具。【選択図】図６
U-SHAPED DOOR GUARD REINFORCEMENT OF ENTRANCE
To provide a U-shaped door guard reinforcement of the entrance for preventing that it is easy to unlock by breaking the main key of the door and using a string from a slightly opened gap, and being able to smoothly detach and attach.SOLUTION: There is provided a U-shaped door guard reinforcement of entrance in which a stopper is provided at one end of a short side of a rectangular stopper fall prevention cover, a hook-shaped surface fastener is provided at one end on the opposite side and a stopper having a loop-shaped surface fastener on the entire surface of the rear surface is embedded in the lock arm space portion of the U-shaped entrance door guard, and the stopper fall prevention cover is wrapped and fixed around the lock arm.SELECTED DRAWING: Figure 6
【課題】 従来普及している玄関のＵ字型ドアガードでは、ドアの本鍵を壊してわずかに開いた隙間から紐を使って簡単にロックを外せる。これを防止し、かつ、スムーズに脱着できるための玄関のＵ字型ドアガード補強具を提供する。【解決手段】 長方形のストッパー落下防止カバーの短い辺の一端にストッパーを設け、その反対側の一端にはフック状面ファスナーを設け、その裏面は全面にループ状面ファスナーが設けられたストッパーを、Ｕ字型玄関ドアガードのロックアーム空間部に埋め込み、ロックアームにストッパー落下防止カバーを巻きつけて固定した玄関のＵ字型ドアガード補強具。【選択図】図６
U-SHAPED DOOR GUARD REINFORCEMENT OF ENTRANCE
玄関のＵ字型ドアガード補強具
TSUNODA KATSUHIRO (author)
2019-02-07
Patent
Electronic Resource
Japanese
Entrance guard management system and method for fireproof door
| European Patent Office | 2023
Entrance guard talkback door with alarm structure for communication
| European Patent Office | 2022