| 摘要 |
<p>An umbrella comprises an asymmetrical shape by forming at least one rib (84) longer than, for example twice the length of, the remaining ribs (80). Ribs (80, 84) are pivoted about handle or shaft (62). The rib (84) comprises a number of articulated segments (86, 88, 90 and 92) which allow the rib (84) to be folded. Linkages (68 and 72) are attached to the respective runners (64 and 66) and to an intermediate point of the associated rib (84, 80). Movement of the runners (64, 66) towards the apex (74) of the shaft (62) forces the rib (80 and 84) to be curved making the covering (100) taut against and between the ribs (80, 84). To allow more covering to the rear of the shaft (62) there can be from (1) to half of the ribs of the type of rib (84), with the remainder of the ribs being ribs (80). Alternatively, in place of the articulated linkages (86, 88, 90 and 92), telescoping sections may be used so that when the umbrella is folded the ribs are of substantially equal length for stowage.</p> |
