| 摘要 |
An anit-windforce rib assembly of multiple-fold umbrella includes: a spring rib connected between an inner rib and an outer rib of the rib assembly, a buffer device formed on the spring rib and connected to the inner rib, whereby upon blowing of a strong wind to the rib assembly, the force of the strong wind will be dampened, weakened or released by the buffer device on the spring rib to minimize the wind force acting upon the rib assembly to prevent from bending, deformation, breakage or damage of the umbrella rib assembly.
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