| 摘要 |
In a telescopic umbrella stick wherein there are at least two telescopic sections, there is provided a plug in the stick section of smaller diameter having a shoulder protruding laterally beyond the diameter of the stick section. In the end of the stick section of greater diameter, there is a sleeve fixed thereto and adapted to receive the smaller stick section. In one embodiment, ball spring means are provided for locking the stick sections in an extended position, while in another embodiment, a spring pawl is integral with the plug adapted to engage corresponding apertures in the inner stick section and the outer stick section to lock the stick sections together.
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