DOOR LOCK

PURPOSE: A detachable secondary locking device of an entrance door is provided to secure the safety and security of individual. CONSTITUTION: A detachable secondary locking device of an entrance door comprises an L-shaped body(1), a C-shaped clasp(2), and a connection rope(4). The L-shaped body is m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SON, SUNG GI
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:PURPOSE: A detachable secondary locking device of an entrance door is provided to secure the safety and security of individual. CONSTITUTION: A detachable secondary locking device of an entrance door comprises an L-shaped body(1), a C-shaped clasp(2), and a connection rope(4). The L-shaped body is made of the steel sheet of L-shaped feature and includes a latch inserting hole(3). The L-shaped body is fixed to the crevice between the gateway frame and a door. The C-shaped clasp is inserted into 'the latch inserting hole in the body. The connection rope interlinks the body and the latch.