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US 2011/0225719 A1Published application
Expandable pool system
AssigneePolygroup Macau Limited (BVI)
InventorRicky Tong
Life of this patent
Estimating the term…
Abstract
A portable swimming pool comprising a base having a perimeter; and a side wall erected upright. The side wall includes a top and a bottom, such that the bottom of the side wall is coupled to the perimeter of the base. The side wall incorporates an expansion system that enables the side wall to increase and decrease to different heights, and thus increasing/decreasing the depth/volume of the pool. The expansion system can include a zipper means that extends about the circumference or perimeter of the swimming pool.
Claims19
An expandable pool, comprising:
- a base;
- a side wall in communication with a perimeter of the base;
- and
- an expansion system incorporated in the side wall, wherein the expansion system lengthens and shortens a height of the side wall.
1 more element
An expandable pool, comprising:
- a base;
- an inflatable side wall in communication with a perimeter of the base, the side wall comprising an inner wall and an outer wall;
- a flexible expansion system incorporated between the inner wall and outer wall of the side wall, the expansion system comprising a zipper track having a first end and a second end and a slide fastener;
- wherein the first end of the zipper track underlies the second end of the zipper track in an overlapping fashion, and the slide fastener engages the zipper track to open and close the expansion system;
- wherein the expansion system lengthens and shortens a height of the side wall;
- a flotation device attached to a top portion of the side wall, wherein the floatation device rises with a level of liquid in the pool;
- and
- a pump device adapted to circulate and clean the liquid in the pool.
5 more elements
Dependencies are inferred from the claim text.