Patent ID: 6250319
Filing Date: 2001-06-26
Classification: A45B

Abstract:
A vented umbrella comprising:a frame includinga shank;a hub fixedly mounted on the top of the shank;an upper ring slidably mounted on the shank;a lower ring slidably mounted on the shank;a plurality of ribs, each having one end linked to the hub;a plurality of stretchers, each having one end pivotally linked to the lower ring and an other end thereof pivotally linked to a middle portion of a corresponding one of the ribs;a canopy covered on the stretched frame including a lower canopy and an upper canopy each consisting of a plurality of sectors wherein the upper canopy is in a concentric partial covering relation with respect to the lower canopy with a predetermined overlapped peripheral area therebetween and a peripheral edge of the upper canopy is covered on an upper peripheral edge of the lower canopy; anda plurality of ropes each secured between the upper peripheral edge in each sectors of the lower canopy and the upper ring;whereby a plurality of openings are formed at the overlapped peripheral area between the sectors of the upper canopy and the corresponding sectors of the lower canopy in a fully extended condition.