Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a lock protection device. The protection device comprises a fixing plate and a protection cover, wherein the protection cover is in rotary connection with the fixing plate through a rotary shaft, the top of the protection cover is a circular-arc face, and sector-shaped faces are arranged on two sides of the protection cover.
The invention discloses a lock protection device. The protection device comprises a fixing plate and a protection cover, wherein the protection cover is in rotary connection with the fixing plate through a rotary shaft, the top of the protection cover is a circular-arc face, and sector-shaped faces are arranged on two sides of the protection cover.
Lock protection device
DING KAI (Autor:in)
03.06.2015
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser
Door lock protection device, panel of door lock protection device and door lock system
| Europäisches Patentamt | 2024
Intelligent lock protection device and intelligent lock
| Europäisches Patentamt | 2024