| 摘要 |
Provided is an opening device mounted on a shank of automatic umbrella including a sliding sleeve having a lower extension and a slot on the extension. The device comprises an upper trigger mechanism lockingly engaged with the extension in a closed condition of the umbrella such that pressing the trigger mechanism will disengage the trigger mechanism from the extension prior to automatically opening the umbrella, and a lower, spring biased rib tip retaining mechanism put on the shank and disposed above the handle, the rib tip retaining mechanism adapted to contain tips of ribs therein in the closed condition of the umbrella. Thus, the tips of ribs are not tangled with foreign objects or other umbrellas when the umbrella is stored in, for example, an umbrella stand.
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