| 摘要 |
There is provided an umbrella (10, 110, 210, 310, 410, 510) moveable between an open position and a closed position, said umbrella comprising; a. a canopy framework (16, 18, 116, 118, 216, 218, 316, 318, 416, 418, 16, 518, 616, 618, 716, 718); b. a central spine (12, 112, 212, 312, 412, 512, 612, 712) configured to support the canopy framework; c. a main canopy (24, 124, 224, 324, 424, 524, 624, 724) configured to cover the canopy framework; and d. a tensioning mechanism 20, 22, 120, 122, 220, 222, 320, 322, 420, 422, 520, 522, 620, 62, 720, 722) configured to tension the main canopy about the canopy framework when the umbrella is in the open position and release the tension to the main canopy about the canopy framework to allow the umbrella to move to the closed position. |
