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US 2004/0200517 A1Published application
Bow spring of a folded umbrella
OwnerChin Sung Koinventor
Life of this patent
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Abstract
The present invention relates to a bow spring of a folded umbrella, which includes an improved bow spring having a short length and a side coil spring being received in upper tube of the umbrella. The coil spring can provide elastic force to push the engaging end of the bow spring outward to position the umbrella opening. The length of the tube and the umbrella can be effectively decreased that obtains improvement for easy carry.
Claims3
1 (Canceled).
2:
- The bow spring for a folding umbrella as claimed in claim 3, wherein the main bow spring member and the spring member are received in a connector received in said upper tube of the folding umbrella.
3:
- A bow spring for a folding umbrella comprising:
- a main bow spring member having first and second opposing ends, and a spring recess being formed in a central shaft thereof, said first end being pivotally connected to an inner wall of an upper tube of said folding umbrella, said second end retractably projecting through a slot formed through said upper tube;
- and,
- a spring member being received within said spring recess and biasing said main bow spring member against said inner wall of said upper tube, whereby a runner of said folding umbrella is selectively locked in place when said second end of said main bow spring projects through said slot.
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