Playground Assembly with Flexible Strips

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Solution Overview

Problem

Traditional playground systems with 'post and deck' structures can impede creativity and create safety hazards when used in unintended ways due to their modular design.

Innovation Solution

A playground assembly featuring an elongate beam supported above ground level with flexible strips extending between the beam and the ground, providing a unique structure that encourages creative play while enhancing safety by minimizing the risk of injury from unintended use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional modular post and deck structures are used, then the playground is easy to manufacture and assemble, but it impedes creativity and creates safety hazards when used in unintended ways

Engineering Contradiction:
Improveease of manufactureVSAvoidcreativity
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The playground structure is divided into modular components including a beam element, flexible strip elements, and anchor elements that can be independently manufactured and assembled. This segmentation allows for easy manufacturing while the combination of these modules creates a structure that encourages creative play patterns without the rigid constraints of traditional post-and-deck designs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The use of flexible strip elements that can bend and deform under children's weight and play actions transforms the static modular components into a dynamic structure. This flexibility allows the playground to adapt to various play scenarios and creative uses while maintaining safety, resolving the contradiction between ease of manufacture and adaptability.

Inventive Principle:
Principle #15Dynamics

2Device complexity

If traditional modular post and deck structures are used, then the structure is simple and easy to assemble, but it creates safety hazards when used in unintended ways

Engineering Contradiction:
Improvestructure complexityVSAvoidsafety hazards
Core Design Contradiction:
Device complexityVSObject-affected harmful factors

Solution Approach 1:

The flexible strip elements are designed to provide cushioning and give way under children's weight, preventing injuries from falls or unintended use. This beforehand cushioning feature is integrated into the simple modular structure, allowing easy assembly while eliminating safety hazards associated with rigid traditional designs.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The structural parameters of the playground elements are optimized to balance simplicity with safety. The beam element dimensions, flexible strip flexibility, and anchor point configurations are carefully selected to create a structure that is easy to assemble but inherently safe against unintended use, resolving the contradiction between structure complexity and safety hazards.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If an elongate beam structure with flexible strips is used, then creative play is encouraged and safety is enhanced, but the manufacturing and assembly process becomes more complex

Engineering Contradiction:
ImprovecreativityVSAvoidease of manufacture
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The creative beam and flexible strip structure is segmented into standardized elements that can be manufactured separately and assembled together. This segmentation maintains the creative design benefits while simplifying the manufacturing and assembly process, resolving the contradiction between adaptability and ease of manufacture.

Inventive Principle:
Principle #1Segmentation

4Shape

If the beam is supported at height above ground level, then the playground structure becomes more impressive and encourages creative play, but the risk of injury from unintended use increases

Engineering Contradiction:
Improvestructure configurationVSAvoidrisk of injury
Core Design Contradiction:
ShapeVSObject-affected harmful factors

Solution Approach 1:

The flexible strip elements extending from the elevated beam provide beforehand cushioning that mitigates the injury risk associated with height. These flexible components are designed to deform and absorb impact, allowing the structure to be mounted at impressive heights while maintaining safety against unintended use.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The parameters of the flexible strip elements are specifically optimized to balance the structural configuration at elevated heights with safety requirements. The flexibility, length, and material properties are carefully selected to provide both the impressive visual appearance and the safety cushioning needed to reduce injury risk from unintended use at height.

Inventive Principle:
Principle #35Parameter changes

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 design promotes creative play and safety by allowing children to interact with the structure in various ways while reducing the risk of injury through the use of flexible strips that provide support and traction, thus addressing the limitations of traditional modular designs.

Implementation Method 1

at least one flexible strip extending between the beam and the ground level

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS9220938B2Playground assembly
Publication Date: 2015.12.29 PLAYWORLD SYSTEMS INC
  • US9220938B2 patent drawing
  • US9220938B2 patent drawing
  • US9220938B2 patent drawing

AI summary

In one embodiment, a playground assembly includes a beam having a first end, a second end opposite the first end, and a longitudinal axis that extends between the first end and the second end such that the beam is elongate along the longitudinal axis. The beam defines a length measured between the first end and the second end along the longitudinal axis, and a width measured in a direction perpendicular to the length, wherein the length is at least five times greater than the width and the beam is at a height above a ground level. The playground assembly also includes at least one flexible strip extending between the beam and the ground level.