A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A winding device for controlling elastic storage of an overhead door spring system installed on a wall structure, the door having at least a door panel which can be moved up and down constrained within a track. The door also has an elastic storage system with a coil spring having a stationary end and a winding end. The door system also has a central shaft held within the elastic storage system. The winding device has a ring gear with a flange portion, a worm gear engaged by the ring gear, a box or container or a retainer to hold the ring gear and worm gear together in an engagement status with the ring gear engaged with the central shaft by a fastener.
A winding device for controlling elastic storage of an overhead door spring system installed on a wall structure, the door having at least a door panel which can be moved up and down constrained within a track. The door also has an elastic storage system with a coil spring having a stationary end and a winding end. The door system also has a central shaft held within the elastic storage system. The winding device has a ring gear with a flange portion, a worm gear engaged by the ring gear, a box or container or a retainer to hold the ring gear and worm gear together in an engagement status with the ring gear engaged with the central shaft by a fastener.
A WINDING DEVICE
FENG DAVID (author)
2025-03-13
Patent
Electronic Resource
English
IPC:
E05D
Scharniere oder andere Aufhängevorrichtungen für Türen, Fenster oder Flügel
,
HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS
/
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