发明名称 |
Reliably controllable windproof umbrella |
摘要 |
A windproof umbrella includes: an upper cloth secured on an upper rib pivotally connected to a central shaft of the umbrella, a lower cloth secured on a lower rib pivotally connected to the central shaft and having a central opening circumferentially formed in a top portion of the lower cloth around the central shaft, each upper cloth provided with a control valve thereon for resiliently normally closing an aperture between the upper cloth and the lower cloth; and upon blowing of strong wind on the lower and upper cloths, the control valve will be opened to release the wind for preventing inversion of the umbrella.
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申请公布号 |
US6024109(A) |
申请公布日期 |
2000.02.15 |
申请号 |
US19980128723 |
申请日期 |
1998.08.03 |
申请人 |
FU TAI UMBRELLA WORKS, LTD. |
发明人 |
LIN, CHUNG-KUANG;CHANG, JUNG-JEN |
分类号 |
A45B25/02;A45B25/22;(IPC1-7):A45B25/26 |
主分类号 |
A45B25/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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