Patent ID: 6991019
Filing Date: 2006-01-31
Classification: E06B,G09F

Abstract:
1. A screen comprising: a screen case, said screen case having a first end cap and a second end cap respectively located on two distal ends thereof; a support member fastened to one side of said screen case; a reel shaped like a split tube, pivotally mounted inside said screen case and rolling up a screen body, said reel having a longitudinally extended flat inside stop face; a plug member fixedly fastened to one end of said reel; an axle suspended inside said reel, said axle having a first end fixedly fastened to said screen case and a second end fastened pivotally with said plug member; a spring member sleeved onto said axle inside said reel, said spring member having a first end terminating in a projecting portion stopping at the flat inside stop face of said reel and a second end fixedly connected to one end of said axle; a first protective cover fixedly fastened to one end of said reel, said first protective cover having a center pivot hole; and a first connector coupled between said first end cap and said axle, said first connector comprising a socket-like base disposed at one end and fixedly fastened to said first end cap and a rod member disposed at an opposite end and pivotally inserted through the center pivot hole of said protective cover and fixedly fastened to the first end of said axle; wherein when pulling said screen body out, said reel is rotated on said axle in one direction to further twist said spring member; and wherein when releasing the pulling force from said screen body, said spring member imparts a biasing force to rotate said reel on said axle in a reverse direction to roll up said screen body.