Invention Grant
US5067765A Flexible sun visor with over-center spring 失效
灵活的SUN VISOR与超中心弹簧

Flexible sun visor with over-center spring
Abstract:
A flexible sun shading membrane has an edge coupled to a window frame and an opposite edge attached to a moveable member which has at least two stable positions, one being closed adjacent and conforming to the window frame and a second position extended and lowered from the window frame to stretch the membrane into a sun blocking position.
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