Patent ID: 6978822
Filing Date: 2005-12-27
Classification: A01G,E06B,Y02A

Abstract:
1. A device for rolling a shade up and down, comprising: a frame construction with i) an upper stationary fastening connected to said shade and ii) a rotatable tube movable in said frame construction toward and away from said stationary fastening, movement of the tube rolling the shade up toward said stationary fastening and down away from said stationary fastening; and a drive comprising a drive motor for rotation of said tube, a drive shaft, a transmission device, and guide means for moving said tube, said drive motor being rigidly connected to said frame construction, said drive shaft rotatable by said drive motor and located between said drive motor and said tube, and the transmission device connected to said tube, movable on said drive shaft in the direction of its axis and non-rotatable with respect to said frame construction to transmit the rotary movement of said drive shaft to said tube.