Modular PIP Rubber Play Structures for Toddler Balance and Coordination

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Solution Overview

Problem

Existing playground structures are difficult to install and expand, and there is a need for a play structure that can develop balance and coordination in children, particularly toddlers, with improved safety and reduced maintenance requirements.

Innovation Solution

A play structure comprising an inner molded unit made of poured-in-place (PIP) rubber subsurface with a mixture of rubber buffing and urethane, and an outer layer, designed to be easily installed and configured to enhance balance and coordination in toddlers, featuring shock absorption and reduced maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional playground structures are installed using conventional materials and methods, then structural strength and stability are achieved, but installation difficulty increases and expansion becomes difficult

Engineering Contradiction:
Improveease of installationVSAvoidstructural complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The playground structure is divided into modular components including individual play elements (arcs, tunnels, platforms) that can be independently manufactured and then assembled together. This segmentation allows for easier installation and future expansion without requiring complete structural redesign.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The play structures are designed with universal connection mechanisms and standardized components that can serve multiple functions. The same modular elements can be configured for different play activities and can be easily repositioned or expanded, reducing installation complexity while maintaining versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Object-affected harmful factors

If soft rubber materials are used for safety and shock absorption, then impact attenuation improves, but structural strength and stability decrease

Engineering Contradiction:
Improveimpact attenuationVSAvoidstructural strength
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The playground structure utilizes composite construction combining rigid structural elements (wooden beams, metal frames) with soft rubber components (poured-in-place rubber flooring, rubber play elements). This composite approach allows the rigid portions to provide structural strength and stability while the rubber portions provide shock absorption and impact attenuation.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

Different portions of the structure have different material properties optimized for their specific functions. Hard, strong materials are used for load-bearing structural elements, while soft, cushioning materials are applied to surfaces where children directly contact and where impact absorption is needed, achieving both strength and safety simultaneously.

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If complex structural designs are implemented to enhance playability, then child development benefits increase, but installation and maintenance requirements increase

Engineering Contradiction:
ImproveplayabilityVSAvoidmaintenance requirement
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The play structure incorporates dynamic elements such as movable panels, adjustable components, and flexible rubber sections that can move and adapt to different play scenarios. This provides varied play experiences for children while the modular nature of these dynamic components simplifies maintenance, as individual elements can be replaced without affecting the entire structure.

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The play structure provides improved safety, playability, and reduced maintenance while effectively developing core strength, balance, and coordination in toddlers, with shock absorption rates and ASTM-compliant impact attenuation performance.

Implementation Method 1

The PIP subsurface with the mixture of rubber buffing and urethane is configured to deliver improved safety, playability, and reduced maintenance requirement

Methodology Applied
Scientific EffectShock absorption: Damping

Data Source

PatentUS20250262485A1Play apparatus for developing balance and coordination
Publication Date: 2025.08.21 PLAYGROUND EQUIPMENT SERVICES LLC
  • US20250262485A1 patent drawing
  • US20250262485A1 patent drawing
  • US20250262485A1 patent drawing

AI summary

A play structure for an indoor or outdoor playground is disclosed. The play structure comprises an inner molded unit made of poured-in-place (PIP) rubber subsurface. The PIP rubber subsurface is poured with a mixture of rubber buffing and urethane configured to deliver improved safety, playability, and reduced maintenance requirement. The play structure further comprises a synthetic outer layer adhered to an outer surface of the inner molded unit. The outer layer adheres to the outer surface of the inner molded unit using an adhesive layer. The play structure further comprises a flat bottom surface configured to mount over the playground system and a top surface with different angles. A set of play structures are shaped and arranged on the play surface to develop core strength, balance, and coordination in toddlers by walking, jumping, and climbing on them. Further, the play structure is provided in different design configurations.