A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a roller shutter door lifting device. The roller shutter door lifting device is characterized by comprising a pull rod, wherein a first connecting rod and a second connecting rod are arranged on the right side faces of the upper end and the lower end of the pull rod, a first suction disc is arranged at the right side end of the first connecting rod, and a second suction disc is arranged at the right side end of the second connecting rod. A holding sleeve is arranged on the pull rod. The roller shutter door lifting device has the advantages of being simple in structure and convenient to use and bringing convenience to a person having small hand strength when the roller shutter door is just lifted.
The invention provides a roller shutter door lifting device. The roller shutter door lifting device is characterized by comprising a pull rod, wherein a first connecting rod and a second connecting rod are arranged on the right side faces of the upper end and the lower end of the pull rod, a first suction disc is arranged at the right side end of the first connecting rod, and a second suction disc is arranged at the right side end of the second connecting rod. A holding sleeve is arranged on the pull rod. The roller shutter door lifting device has the advantages of being simple in structure and convenient to use and bringing convenience to a person having small hand strength when the roller shutter door is just lifted.
Roller shutter door lifting device
YU QIN (author)
2015-07-29
Patent
Electronic Resource
English
IPC:
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
Roller shutter door wind-resistant device and roller shutter door
| European Patent Office | 2020
Vertical lifting fireproof roller shutter door and using method thereof
| European Patent Office | 2021