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Positioning structure of a beach umbrella

  • US 20050186023A1
  • Filed: 02/19/2004
  • Published: 08/25/2005
  • Est. Priority Date: 02/19/2004
  • Status: Active Grant
First Claim
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1. A positioning structure of a beach umbrella having a shaft including an upper tube and a lower tube, both with several interval positioned aperture thereon, a positioning apparatus being provided to connect the two tubes together, which has a flat plate, a joint with a spring on one side to connect with a handle and to provide elastic force for pushing a rod on top of the handle into central hole of the apparatus, and the upper tube and the lower tube being then received in the central hole of the positioning apparatus, the rod penetrating one aperture and a relating aperture of both tubes being positioned at the certain position in secure.

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