Screen window pulley with adjustable height
An adjustable, screen technology, applied in door/window accessories, wing fan suspension, insect control, etc., can solve problems such as reducing the friction between the screen and the chute, and achieve long service life, reduced installation difficulty, and structural stability. Good results
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[0014] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0015] When the screen is installed on the window, it is used to isolate mosquitoes and prevent dust from entering the room. When the screen is installed in the window frame, it needs to go over the edges of the upper and lower chute to prevent it from falling off after installation. However, when the height of the screen window is too high, the screen window is not easy to install, if it is too short, the installation difficulty is reduced, but the screen window is easy to fall. In order to solve this problem, such as figure 1 , figure 2 A height-adjustable window screen pulley includes a...
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