UMBRELLA FOLDED UPSIDE DOWNThe present invention relates to an umbrella folded upside down, comprising a cylinder (20) having a handle (10) at one side and vertically extending; an opening and closing part (50) lifted along the cylinder (20); and umbrella ribs folded or unfolded depending on...
Device for automatically opening or closing multi-folding umbrella lug boss leaves the locking concave position of the outer wall of the upper pipe, the umbrella is spread out under the function of the umbrella opening... 黄禄财 被引量: 4发表: 2006年 Novel tapered cutting pick with umbrella-...
To provide an automatic opening and closing umbrella with a simple structure, capable of extending an umbrella shaft, unfolding an umbrella cloth, and folding the umbrella cloth in an upside-down umbrella state. SOLUTION: A grip 4 is attached to the bottom end of the umbrella shaft 3. A ...
Screen with a device for the automatic closing in the case of wind (5) on the screen means, as well as a tube (5), which is disposed a collapsible umbrella framework of skin struts (24) and a fabric as well as... M Zimmermann 被引量: 0发表: 2016年 WAUDIT WIND RESOURCE ASSESSMENT...
This allows the construction of lighter in weight umbrellas featuring more stability, closing under the influence of high-speed winds and being more refreshing when low-speed winds blow. Additionally, same umbrellas are very handy while opening and closing them, with no need of using for this ...