| 摘要 |
<p>An umbrella is provided. The umbrella comprises a frame and a canopy attached thereto. The frame comprises a tube extending vertically along a tube axis, a cap at a top end of the tube, a runner configured to move along at least a portion of the tube, a plurality of ribs hingedly articulated to the cap, and a plurality of stretchers, each being hingedly articulated between the runner at a first point of attachment thereof, and one of the ribs at a second point of attachment thereof. Each of the caps comprises a disk projecting radially from the tube, the disk having a radial characteristic dimension which is more than one tenth the distance between the first and second points of attachment of the stretchers.</p> |
