| 摘要 |
<p>An umbrella comprises a foldable frame (22) and a web (20) provided having a substantially circular central portion (24) and a substantially annular skirt portion (26) continuous with the central portion. The frame comprises a rigid support shaft (28), a plurality of ribs (34) pivotably attached to the support shaft at one end thereof, a runner element (30) slidably attached to the shaft, and a plurality of stretcher arms (36) each pivotably fastened at one end to the runner element and at an opposite end to a respective one of the ribs. In addition, the frame includes a plurality of skirt support members (40) each pivotably attached to a free end of a respective one of the ribs, and a plurality of pulling members (42) each pivotably attached at one end to a respective one of the stretcher arms and at an opposite end to a respective one of the skirt support members. The skirt portion of the cover or web is fastened to the skirt support members.</p> |
