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Invention Grant
US07861761B2 Retractable screen and frame assembly 失效
伸缩式屏幕和框架组件

Retractable screen and frame assembly
Abstract:
The present invention is a retractable screen (22) and frame (24) assembly (20). The frame (24) includes a first track (32) and a second track (34) in spaced and parallel relationship to the first track (32). The retractable screen (22) includes a canister (36), a screen cloth (38), a control bar (40), a first glide (42), a second glide (44), and a biasing device (46). The biasing device (46) is disposed between a first end (52) of the control bar (40) and the first glide (42). The first glide (42) is inserted into the first track (32) and the second glide (44) is inserted into the second track (34). The glides (42, 44) slide along the respective tracks (32, 34) while the biasing device (46) biases the first end (52) of the control bar (40) with respect to the first track (32). The biasing provided by the biasing device (46) prevents the control bar (40) from binding with the tracks (32, 34) as the control bar (40) and the glides (42, 44) are slid along the tracks (32, 34).
Abstract(Chinese):

本发明是一种可缩回的筛网（22）和框架（24）组件（20）。 框架（24）包括与第一轨道（32）间隔开并且平行的第一轨道（32）和第二轨道（34）。 可收缩式筛网（22）包括罐（36），筛布（38），控制杆（40），第一滑动件（42），第二滑动件（44）和偏置装置（46）。 偏置装置（46）设置在控制杆（40）的第一端（52）和第一滑动件（42）之间。 第一滑行件（42）插入到第一轨道（32）中，第二滑动件（44）插入第二轨道（34）中。 滑动件（42,44）沿着相应的轨道（32,34）滑动，而偏压装置（46）相对于第一轨道（32）偏压控制杆（40）的第一端（52）。 由偏置装置（46）提供的偏置防止控制杆（40）与控制杆（40）的轨道（32,34）结合，滑动件（42,44）沿轨道（32,34）滑动， 34）。

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