Patent ID: 6158494
Filing Date: 2000-12-12
Classification: E06B

Abstract:
A winding device in combination with window covering comprising a curtain body having leaves and driven by a driving device to lift and lower the curtain body, said winding device comprising:a transmission shaft linked with said driving device and driven by said driving device;a plurality of threaded shafts connected with and rotated with said transmission shaft, said plurality of threaded shafts having threads thereon and having a stop edge on respective ends thereof;a plurality of fixing stages each corresponding to one of said threaded shafts and arranged at predetermined positions on said curtain body, each of said fixing stages having a threaded through hole such that a respective one of said threaded shafts is received within said through hole, each of said fixing stages being composed of a nut clamped by two sub-units; anda plurality of guiding cords connected with said leaves of said curtain body, one end of each of said guiding cords being connected to one of said threaded shafts.