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US 5,690,131 AGranted
Umbrella
OwnerBernard Voigtinventor
Life of this patent
Estimating the term…
Abstract
An improved umbrella is provided which consists of a fabric canopy, a central shank assembly and a mechanism for deploying the fabric canopy from and retracting the fabric canopy into the top of the central shank assembly.
Claims26
An improved hand-held umbrella which comprises:
- a) a fabric canopy;
- b) a central shank assembly having:
- i) an outer tube having a closed bottom end with a central aperture therethrough and an open top end;
- and
- ii) an inner tube having a closed bottom end with a central aperture therethrough, an open top end and a plurality of longitudinal slots radially spaced thereabout, said inner tube being smaller in diameter than said outer tube;
- and
- c) means for deploying said fabric canopy from and retracting said fabric canopy into the top of said central shank assembly.
4 more elements
Dependencies are inferred from the claim text.