Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
SPRING PRE-TENSIONING DEVICE FOR ROLL BLIND
Disclosed is a spring pre-tensioning device for a roll blind, the pre-tensioning device including: a rotation shaft including a threaded part, with a restraining protrusion provided on the threaded part, and a locking groove; a restraining nut engaged with the threaded part of the rotation shaft, and disposed on the restraining protrusion, so as to prevent the restraining nut from moving further forward; a restraining body provided with a shaft insertion hole therein, and provided with a locking protrusion and a locking clip; and the spring, wherein the restraining body that is fitted over the outer circumferential surface of the rotation shaft and is fixedly connected to the spring is rotated to apply a predetermined pretension value to the spring, and is engaged with the restraining nut that is prevented from forward rotation, thereby restraining pretension of the spring.
SPRING PRE-TENSIONING DEVICE FOR ROLL BLIND
Disclosed is a spring pre-tensioning device for a roll blind, the pre-tensioning device including: a rotation shaft including a threaded part, with a restraining protrusion provided on the threaded part, and a locking groove; a restraining nut engaged with the threaded part of the rotation shaft, and disposed on the restraining protrusion, so as to prevent the restraining nut from moving further forward; a restraining body provided with a shaft insertion hole therein, and provided with a locking protrusion and a locking clip; and the spring, wherein the restraining body that is fitted over the outer circumferential surface of the rotation shaft and is fixedly connected to the spring is rotated to apply a predetermined pretension value to the spring, and is engaged with the restraining nut that is prevented from forward rotation, thereby restraining pretension of the spring.
SPRING PRE-TENSIONING DEVICE FOR ROLL BLIND
DISPOSITIF PRETENDEUR A RESSORT DESTINE A UN STORE ENROULEUR
KWAK JAE-SUK (Autor:in)
26.06.2018
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