| 摘要 |
An umbrella having a telescoping stick and collapsible ribs whereby clamping means are provided in the handle for gripping the ends of the dome ribs when the umbrella is collapsed. Linkage is provided in the telescopic stick connecting an actuation lever in the stick and the clamping means in the handle for automatically releasing or gripping the dome ribs when the stick is extended to a certain length or being reduced to that length.
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