| 摘要 |
An umbrella system for rafts and other moving vehicles is described. The umbrella system includes a support system offset from the umbrella so that the support mast. The support system also includes one or more quick-connection/quick-disconnection systems so that the umbrella system can be quickly removed from the raft or vehicle and disassembled into several, shorter, more compact parts. The preferred umbrella opening and closing system does not include cables, cranks, or other complex structure, but rather is made from a handle underneath the center of the umbrella that can be manually pushed and pulled upward and downward, respectively, to open and close the umbrella. The umbrella system can be adjusted to shade a large area by a few simple adjustments of a preferred pivotal joint, or by quick detachment of the support system from the raft and re-attachment in another location on the raft, for example.
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