Detachable Chest Protector Segmentation for Cooling

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional chest protectors integrated into waistcoat-type garments cannot be easily opened to cool down the wearer while maintaining protection, as they cover the chest and upper abdominal region.

Innovation Solution

A detachable chest protector with left and right members that engage with each other, allowing for separation to facilitate cooling while maintaining protection, featuring protruded portions and receptors to manage pressing forces and ensure rigidity and strength.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a single piece front shell covers the chest and upper abdominal region, then protection performance is improved, but the ability to open the front portion for cooling is worsened

Engineering Contradiction:
Improveprotection performanceVSAvoidability to open front portion
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The chest protector is divided into left and right members that can be separated. Each member has engaging portions that connect them when closed, but can be released to allow the front portion to open for cooling while maintaining protection coverage.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the chest protector is made separable with left and right members, then the ability to open for cooling is improved, but the strength to resist pressing force is worsened

Engineering Contradiction:
Improveability to separate chest protectorVSAvoidresistance to pressing force
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

Stopping portions are pre-provided in the engaging portions of the left and right members. When pressing force is applied from the front, these stopping portions engage to resist the force, preventing premature separation while allowing intentional separation when needed for cooling.

Inventive Principle:
Principle #10Preliminary action

3Stability of the object's composition

If multiple protruded portions are used for engagement, then stress distribution is improved, but device complexity is worsened

Engineering Contradiction:
Improvestress distributionVSAvoidengagement structure complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The engagement structure is segmented into multiple protruded portions distributed across the left and right members. This segmentation allows stress to be distributed across multiple contact points rather than concentrated at a single point, improving stability while keeping each individual protruded portion simple in design.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2158818B1Chest protector
Publication Date: 2016.04.06 HONDA MOTOR CO LTD
  • EP2158818B1 patent drawingFigure 1
  • EP2158818B1 patent drawingFigure 2
  • EP2158818B1 patent drawingFigure 3

AI summary

[Problem] The invention aims to enabling a front portion of eight element and chest protector to be easily undone to allow cooling down while maintaining protection performance for a chest protector fitted to a garment. [Resolving Means] A chest protector (3) detachably fitted to the back surface of a body garment comprises left and right shells (36L) and (36R), with the left and right shells (36L) and (36R) engaging in a separable manner.