Shoulder Strap Pad with Varying Studs for Pressure Relief

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Solution Overview

Problem

Shoulder straps do not effectively alleviate discomfort caused by heavy items carried over the shoulders, as they fail to provide adequate pressure relief to muscle pressure points.

Innovation Solution

A shoulder strap pad with varying-sized studs that project from a flexible connector, designed to target pressure points on the trapezius muscles, using a combination of a hard inner core and soft outer molding for comfort and effectiveness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If a traditional shoulder strap is used to carry heavy items, then the strap can support the weight, but it causes discomfort and pain to the shoulder muscles

Engineering Contradiction:
Improveweight supportVSAvoidmuscle discomfort
Core Design Contradiction:
ForceVSObject-affected harmful factors

Solution Approach 1:

The strap pad incorporates studs of varying sizes at specific locations to target different pressure points on the shoulder muscles. This local differentiation allows the pad to apply focused pressure to trigger points while distributing overall weight, transforming the uniform pressure of traditional straps into localized therapeutic pressure relief.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The strap pad combines a rigid inner core with a softer outer material. The rigid core provides structural support to maintain the shape and pressure application of the studs, while the softer outer material ensures comfort against the skin. This composite structure resolves the contradiction between needing firm pressure application and maintaining user comfort.

Inventive Principle:
Principle #40Composite materials

2Object-affected harmful factors

If pressure is applied to muscle pressure points to relieve discomfort, then muscle relaxation is promoted, but the structure becomes more complex

Engineering Contradiction:
Improvemuscle pain reliefVSAvoidstrap structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The strap pad is divided into multiple studs of varying sizes rather than using a single uniform structure. This segmentation allows each stud to target specific pressure points independently, providing comprehensive muscle relief while maintaining a relatively simple overall pad structure that can be easily attached to existing straps.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The strap pad serves multiple functions: it distributes weight, massages muscle pressure points, and can be attached to various types of shoulder straps. This multi-functionality justifies the added structural complexity by providing comprehensive solution to multiple problems simultaneously.

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

3Object-affected harmful factors

If studs of varying sizes are used to target different pressure points, then massage effectiveness is improved, but manufacturing precision requirements increase

Engineering Contradiction:
Improvepressure point targetingVSAvoidstud positioning
Core Design Contradiction:
Object-affected harmful factorsVSManufacturing precision

Solution Approach 1:

The varying sizes of studs are strategically positioned to match the anatomical distribution of pressure points on the shoulder. Larger studs target major muscle groups while smaller studs address specific trigger points. This local quality approach optimizes massage effectiveness while the systematic arrangement simplifies manufacturing by providing clear positioning guidelines.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS9943161B2Strap pad
Publication Date: 2018.04.17 RKS VENTURES LLC
  • US9943161B2 patent drawing
  • US9943161B2 patent drawing
  • US9943161B2 patent drawing

AI summary

Described is a strap pad for a shoulder strap. The strap pad includes a shoulder strap connector that is formed to wrap around and connect with the shoulder strap. Notably, a plurality of studs are affixed to and project from the shoulder strap connector. The studs are positioned to disperse the pressure and weight of the accompanying item across the muscles more evenly when the shoulder strap is positioned around the neck or shoulders of a user.