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US 2004/0200516 A1Published application
Engaging structure of an auto-umbrella
OwnerChin Sung Koinventor
Life of this patent
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Abstract
The present invention relates to an engaging structure of an auto-umbrella. The engaging structure includes a sleeve having an upper arched slice and a side metal piece for providing double elastic force to guide the engaging head moved sideward and positioned with the shaft. The umbrella can be then operated normally and effectively.
Claims1
An engaging structure of an auto-umbrella including a sleeve received in a shaft of the umbrella, wherein the sleeve is provided with an upper arched slice and a side metal piece that ensures the engaging head being positioned with an aperture on the shaft when the shaft is pressed and shortened.
Dependencies are inferred from the claim text.