Jacques disengagement device 2 by using a roll screen more easily replace the screen

摘要

The present design relates to a roll screen can be easily replaced from time to time using Jacques screen area. Roll screens has a light-shielding window there is installed for the decorative wall or difficulty of conventional roll screen and the screen is a roll with a one-piece, if the decomposition must be separated a roll housing. The present inventor has proposed a designed easy to separate or combine the Utility Model Registration No. 0344949 arc upper screen 11 and lower screen 12. However Utility Model Registration No. 0344949 No. The two combined screen, cancellation of Jacques disengagement device 16 to the use only one service factors wound both to China when the screen is then combined wound screen left or right there is a problem that slopes in one direction. In the present design using two Jacques disengagement device (16) to enhance the convenience of the user, so that the right and left balance achieved when the screen is then combined by having symmetry is wound in a roll in order to compensate for these disadvantages.