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Ball Joint Base and Twist Lock for Slideable Concentric Members Adapted for Use in Umbrellas with Extensible Canopy Ribs
Ball Joint Base and Twist Lock for Slideable Concentric Members Adapted for Use in Umbrellas with Extensible Canopy Ribs
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机译:用于可滑动的同心构件的球接头基座和扭锁,适用于带有可伸长顶篷肋骨的伞
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摘要
A twist lock mechanism for easily achieving a secure locking relationship between an outer member and an inner member is provided for use on an umbrella with a ball-joint based for adaptive orientation, and a spike receiving base or anchoring base mechanism.
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