Tent – canopy – umbrella – or cane – Umbrella – Cover or lining feature
Patent
1998-11-20
2000-08-01
Friedman, Carl D.
Tent, canopy, umbrella, or cane
Umbrella
Cover or lining feature
135 29, 135 32, 135 2532, 403 85, A45B 2526
Patent
active
060951710
ABSTRACT:
A multiple-fold windproof umbrella includes: a central shaft having a rib assembly pivotally secured to the central shaft, a lower cloth secured to the rib assembly, an upper cloth secured to the central shaft and juxtapositionally retained above the lower cloth, and a plurality of control valves each formed between the upper cloth and the lower cloth secured on the rib assembly and openable for escaping a strong wind blowing into the umbrella cloths; and for automatically restoring the upper cloth downwardly for closing the opening between the upper and lower cloths of the umbrella after the escape of wind.
REFERENCES:
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patent: 5078166 (1992-01-01), Lee
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patent: 5601103 (1997-02-01), Dubinsky
patent: 5640984 (1997-06-01), Dubunsky
patent: 5890506 (1999-04-01), Kupferman
Chang Jung-Jen
Lin Chung-Kuang
Friedman Carl D.
Fu Tai Umbrella Works Ltd.
Yip Winnie
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