Shock absorption and noise prevention device for entrance door

The present invention provides a device for absorbing an impact and preventing a noise of an entrance door, which can relieve an impact with a door frame or a wall during a closing operation of an entrance door and prevent a noise generated in a closing process. More specifically, the device of the...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KANG SEUNG ROK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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