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US 7,036,676 B2Granted
Foldable water tank
AssigneeEldred Corporation
InventorJan Christensen
Life of this patent
Estimating the term…
Abstract
A foldable water tank comprises a foldable receptacle having a bottom wall and vertical sidewalls, the sidewalls being inclined inwardly; and a plurality of support structures connected to the sidewalls to support the sidewalls in the inclined position.
Claims18
A foldable water tank, comprising:
- a) a foldable receptacle having a bottom wall and vertical sidewalls, said sidewalls being inclined inwardly;
- b) a plurality of support structures connected to said sidewalls to support said sidewalls in an inclined position when said receptacle is empty;
- c) each of said support structures including first, second and third members pivotally joined at their first ends;
- d) said members having a storage position wherein said members are adjacent each other and a deployed position wherein said members are spread apart from each other to form acute angles between each other at said first ends;
- and
- e) a first brace removably connected to said first and second members, and a second brace removably connected to said first and third members thereby to make said first member vertically and rigidly secured when deployed.
3 more elements
A foldable water tank, comprising:
- a) a foldable receptacle having a bottom wall and vertical sidewalls, said sidewalls being inclined inwardly;
- b) a plurality of support structures removably connected to said sidewalls to support said sidewalls in an inclined position when said receptacle is empty;
- c) each of said support structures including a vertical member secured to a base, said vertical member being inclined in the direction of the respective sidewall;
- and
- d) said vertical member having a rigid and non-rotatable configuration when secured to the respective sidewall.
2 more elements
A foldable water tank, comprising:
- a) a receptacle having a bottom wall an open top and vertical sidewalls, said sidewalls being inclined inwardly;
- b) said receptacle having a folded and rolled configuration when not in use;
- c) a plurality of support structures to support said vertical sidewalls when said receptacle is empty;
- and
- d) said support structures having a rigid and non-rotatable configuration when deployed to support said vertical sidewalls during use and a collapsible configuration for storage.
2 more elements
Dependencies are inferred from the claim text.