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Patent Searching and Data

Document Type and Number:
Japanese Patent JP3007141
Kind Code:
PCT No. PCT/US90/00796 Sec. 371 Date Jul. 24, 1991 Sec. 102(e) Date Jul. 24, 1991 PCT Filed Feb. 9, 1990 PCT Pub. No. WO90/09118 PCT Pub. Date Aug. 23, 1990.A windproof umbrella includes a post (14); a plurality of ribs (18) extending outwardly in a radial direction from the upper end of the post; a lower canopy (20) secured on the ribs (18); a plurality of vent holes (34) therethrough; and an upper canopy (36) positioned on the lower canopy (20) and covering all lower vent holes (34). The upper canopy (36) is smaller than the lower canopy (20). Elastic fastening straps (48) secure the upper canopy (36) to the free end portions of the ribs (18) for permitting the upper canopy to elastically lift up responsive to wind. The upper canopy (36) may include at least one vent hole (76) closer to the free ends of the ribs (18) than the lower vent holes (34). A plurality of slits (44) extending inwardly from the outer edge of the upper canopy (36) may be provided, each slit (44) being in line with one rib (18). A channel forming member (57) may be secured to the lower canopy (20) in surrounding relation to each lower vent hole (44) for further preventing entry of water therethrough.

Application Number:
Publication Date:
February 07, 2000
Filing Date:
February 09, 1990
Export Citation:
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International Classes:
A45B17/00; A45B25/18; A45B25/20; A45B25/22; (IPC1-7): A45B17/00; A45B25/18; A45B25/20
Attorney, Agent or Firm:
鈴江 武彦 (外3名)