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US 6,655,398 B2Granted
Umbrella having a resilient whale bone device
OwnerLu Tsai Huanginventor
Life of this patent
Estimating the term…
Abstract
An umbrella includes a number of strut assemblies each having a beam and a spring rod pivotally coupled between a strut and a rib. The spring rod includes a middle portion slidably coupled to the beam. A pole is slidably secured to the beam and coupled to the middle portion of the spring rod. For example, the pole includes an aperture for receiving the middle portion of the spring rod and for allowing the middle portion of the spring rod to be loosely coupled to the beam and for preventing the spring rod from being bent or damaged by the beam.
Claims7
An umbrella comprising:
- a whale bone device including a plurality of strut assemblies, said strut assemblies each including:
- a) a strut including a first end and a second end,
- b) a beam including a first end pivotally secured to said second end of said strut, and including a second end, and including an orifice formed therein,
- c) a rib including a first end pivotally secured to said second end of said beam,
- d) a spring rod including a first end attached to said strut, and including a second end attached to said rib, and including a middle portion, and
- e) means for movably coupling said middle portion of said spring rod to said beam, said movably coupling means including a pole slidably received in said orifice of said beam and coupled to said middle portion of said spring rod.
3 more elements
Dependencies are inferred from the claim text.