Above-Ground Pool Frame With Integrated Overflow Channel for Uneven Ground

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Solution Overview

Problem

Existing above-ground swimming pools face issues with space occupation, aesthetic impact, difficulty in forming a right angle with the floor, complexity in assembly, limited shape flexibility, and installation on non-flat bases, and the need for a compensation basin.

Innovation Solution

A supporting frame with vertical posts and horizontal bases forming a 90° angle, incorporating an overflow channel within the frame for water compensation, eliminating the need for external buttresses and allowing modular, easy installation on uneven surfaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If diagonal buttresses are directed outward to bear water weight, then structural stability is improved, but space occupation and aesthetic impact worsen

Engineering Contradiction:
Improvestructural stabilityVSAvoidspace occupation
Core Design Contradiction:
Stability of the object's compositionVSArea of stationary object

Solution Approach 1:

Instead of directing buttresses outward as in conventional designs, the invention inverts the direction by directing them inward between the posts. This resolves the contradiction by achieving structural stability through inward-facing diagonal bracing that connects to the base, eliminating the need for outward-protruding buttresses that consume space and degrade aesthetics

Inventive Principle:
Principle #13The other way round (Inversion)

2Area of stationary object

If diagonal buttresses are directed inward to reduce space occupation, then space occupation and aesthetic impact are improved, but the impermeable sheet cannot form a right angle with the floor

Engineering Contradiction:
Improvespace occupationVSAvoidright angle formation
Core Design Contradiction:
Area of stationary objectVSManufacturing precision

Solution Approach 1:

The invention segments the structural support function by introducing a separate base structure that provides the right angle geometry, while the diagonal buttresses independently provide structural stability. This segmentation allows the buttresses to be directed inward without compromising the perpendicular relationship between the impermeable sheet and floor, as the base structure maintains the angular precision

Inventive Principle:
Principle #1Segmentation

3Reliability

If a compensation basin is added to manage sudden outflows, then water management reliability is improved, but device complexity and space occupation worsen

Engineering Contradiction:
Improvewater management reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The invention merges the compensation basin function with the existing base structure by positioning it above the base level. This integration allows the compensation basin to manage sudden outflows and maintain water level stability without requiring a separate, complex underground reservoir system, thereby improving reliability while minimizing additional complexity and space occupation

Inventive Principle:
Principle #5Merging (Combining)

4Stability of the object's composition

If a frame with crossmembers and stringers is used to support overflow channel, then structural stability is improved, but assembly complexity and flexibility in shapes worsen

Engineering Contradiction:
Improvestructural stabilityVSAvoidassembly complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The invention extracts and eliminates the complex crossmembers and stringers from the frame structure, retaining only the essential vertical posts and horizontal bases. The overflow channel is directly supported by the simplified frame, which maintains structural stability through the diagonal buttresses while significantly reducing assembly complexity and enabling greater flexibility in pool shape configurations

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP3945183B1Above -ground swimming pool
Publication Date: 2025.07.23 IRON SISTEMI SRL
  • EP3945183B1 patent drawingFigure 1
  • EP3945183B1 patent drawingFigure 2
  • EP3945183B1 patent drawingFigure 3

AI summary

An above-ground swimming pool (1), comprising a supporting frame (2) which has a plurality of peripheral supporting elements (3) which comprise a vertical post (4) and a horizontal base (5) which has at least one internal portion (5a) that is designed, during use, to protrude toward the inside of the swimming pool (1), and an impermeable sheet (10) which forms internally a basin (30); the horizontal base (5) is stably connected to the respective vertical post (4), which in turn is associated stably with a plate-like body (11) which comprises at least one respective metal plate and is extended parallel to the plane of arrangement of the supporting element (2), the plate-like body (11) having, in an upper region, a shaped portion (12) for the accommodation and support of an overflow channel (20) which is extended along the perimeter of the swimming pool (1), an overflow rim (21) being extended between the basin (30) and the overflow channel (20), the overflow channel (20) having a transverse cross-section adapted to contain such a volume of water as to form a compensation basin for the swimming pool (1).