Buoyancy Compensator Harness with Adjustable Back Length
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Solution Overview
Problem
Conventional buoyancy compensator jackets fail to provide an optimal fit for divers with varying heights, leading to inadequate holding and comfort due to fixed back length and integrated harness and waist pad structures, which cannot adjust to individual body sizes effectively.
Innovation Solution
The buoyancy compensator jacket features a size-adjustable harness main body with a sliding mechanism for back length adjustment and a separate waist fastening system with a lower-back pad that can move in the up-down direction, ensuring a secure fit and comfortable wear by accommodating different body heights and movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the harness has a constant back length, then the structure is simple and easy to manufacture, but it cannot fit divers with different heights, resulting in poor adaptability
Solution Approach 1:
The harness main body is designed with a variable back length that can be adjusted according to the diver's height. The back length changing mechanism allows the harness to dynamically adapt to different body sizes, transforming a static structure into a dynamic one that responds to user needs.
Solution Approach 2:
The harness is divided into separate components: the harness main body with adjustable back length, the waist fastening means, and the shoulder belts. This segmentation allows independent adjustment of each component, enabling the back length to be modified without affecting other parts of the harness system.
2Reliability
If the shoulder belts are pulled up to closely fit the harness to the body, then the holding feeling is improved, but the waist belts are pulled upward and cannot be positioned optimally
Solution Approach 1:
The waist fastening means is separated from the harness main body as an independent component. This segmentation allows the waist belts to be positioned and fastened independently of the shoulder belt adjustment, enabling optimal positioning of both components simultaneously without interference.
Solution Approach 2:
The waist fastening means is designed to be movable in the up-down direction, allowing dynamic adjustment of the waist belt position. This dynamic capability enables the waist belts to be positioned optimally regardless of the shoulder belt tension, maintaining both holding feeling and proper waist belt placement.
3Ease of operation
If the waist belts are arranged around the waist to prioritize waist fit, then the waist comfort is improved, but the shoulder belts cannot be pulled up and the harness may not closely fit the back
Solution Approach 1:
By separating the waist fastening means from the harness main body, the system allows independent adjustment of waist fit and back fit. The waist belts can be positioned for optimal comfort while the harness main body and shoulder belts can be adjusted separately to ensure close fit to the back.
Solution Approach 2:
The movable waist fastening means enables dynamic adjustment where waist comfort and back fit can be optimized independently. The waist belts can be positioned at the optimal level for comfort while the harness main body maintains close contact with the back, resolving the conflict between these two requirements.
4Adaptability or versatility
If the harness and waist pad are integrated, then the structure is simple, but the system cannot adjust to individual body sizes effectively
Solution Approach 1:
The waist fastening means is designed as a separate body from the harness main body, consisting of waist belts and a lower-back pad. This segmentation enables independent adjustment of each component to suit individual body sizes, transforming a fixed integrated structure into an adjustable modular system.
Solution Approach 2:
The separated waist fastening means can move independently in the up-down direction, allowing dynamic adjustment to accommodate different body sizes and shapes. This dynamic independence enables effective customization for individual divers without requiring a completely separate harness system.
Data Source
AI summary
A buoyancy compensator jacket capable of following movements of a body of a diver and providing a stable holding feeling is provided. A harness in the buoyancy compensator jacket includes shoulder belts, a harness main body disposed to face a back side of the diver, and a size adjusting means that can change a back length of the harness main body in a plurality of stages.