Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Burglarproof door
The invention discloses a burglarproof door. The burglarproof door consists of a door, a detective hole, a handle, a keyhole and foldable magnifying glass, wherein the foldable magnifying glass is positioned beside the keyhole. When the door is opened, only the foldable magnifying glass needs to be pulled down to the keyhole, clearly seeing can be realized, so that the use is convenient.
Burglarproof door
The invention discloses a burglarproof door. The burglarproof door consists of a door, a detective hole, a handle, a keyhole and foldable magnifying glass, wherein the foldable magnifying glass is positioned beside the keyhole. When the door is opened, only the foldable magnifying glass needs to be pulled down to the keyhole, clearly seeing can be realized, so that the use is convenient.
Burglarproof door
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES