| 摘要 |
An automatic locking and release device for a beach umbrella includes a hollow shaft containing two opening thereon and having a runner movably mounted around the hollow shaft, a lever having a lug and a flat head and a stop ring attached to the hollow shaft. A base member securely received in the hollow shaft, the base member has a channel and a recessed cavity with two holes and receives a fastener. The fastener contains a groove to receive a locking member moved therein and two through holes aligning with the two holes of the base member. The fastener includes a cavity defined therein, a boss extending therefrom and a linkage having a first end received in a bore of the boss and the second end moving in the cavity. A locking member extends through the groove of the fastener and includes a locking bar having an extension block and a spring. The extension block is attached to the top of the locking bar. The spring has a first end contacting a button defined on the bottom of the locking bar and a second end contacting the first end of the linkage.
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