Anti-windforce rib assembly of multiple-fold umbrella
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United States of America Patent
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May 18, 2004
Grant Date -
Nov 6, 2003
app pub date -
May 1, 2002
filing date -
May 1, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An anti-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, weakend 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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