초록

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.

대표청구항 ▼

I claim: 1. 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 emp

I claim: 1. 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. 2. A foldable water tank as in claim 1, wherein said support structures are disposed within said receptacle. 3. A foldable water tank as in claim 1, wherein said support structures are disposed outside said receptacle. 4. A foldable water tank as in claim 1, wherein: a) said receptacle is substantially a truncated pyramid having a plurality of upper corners; and b) each of said support structures is connected to a respective said upper corner. 5. A foldable receptacle as in claim 1, wherein: a) said first member is inclined inwardly toward the interior of said receptacle; and b) a clip disposed at an upper end of said first member to hook into an opening in said sidewall. 6. A foldable receptacle as in claim 1, wherein said members are tubular. 7. A foldable water tank as in claim 1, wherein: a) said first member is inclined vertically when deployed. 8. A foldable water tank as in claim 6, wherein: a) said first and second braces are pivotally connected to said second and third tubular members, respectively; and b) said first and second braces are removably secured to said first tubular member. 9. A foldable water tank as in claim 1, wherein said receptacle has an open top. 10. A foldable water tank as in claim 1, wherein said receptacle includes an outlet or inlet flange. 11. A foldable water tank as in claim 1, and further comprising: a) a bag configured to be carried by a person; and b) said receptacle when folded and said support structures in said storage position are configured to fit inside said bag. 12. A foldable water tank as in claim 5, wherein: a) said receptacle includes a plurality of sleeves; and b) said first member of each support structure is received within a respective sleeve. 13. 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. 14. A foldable water tank as in claim 13, wherein said support structures include tubular members. 15. A foldable water tank as in claim 13, and further comprising means for folding said support structures into a compact configuration. 16. A foldable water tank as in claim 13, wherein said support structures are disposed within said receptacle. 17. A foldable water tank as in claim 13, wherein said support structures are disposed outside said receptacle. 18. 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.