Multi-axial crotch gusset for lower-body garments
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Solution Overview
Problem
Conventional crotch gussets in lower-body garments often restrict motion and fail to provide a form fit due to their discrete configurations, which can impede movement and introduce chafing points.
Innovation Solution
A multi-axial crotch gusset with an elongated trunk extending from the front to the back of the pelvic portion and wings along the inner thigh portions, formed from a seamless, one-piece panel of elastomeric material, which allows for uniform multi-axial stretch and minimizes the likelihood of garment constriction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional discrete crotch gusset configuration is used, then the garment structure is simple to manufacture, but the garment restricts motion and fails to provide a form fit
Solution Approach 1:
The patent merges multiple discrete gusset panels into a single multi-axial crotch gusset that extends continuously from the front waist opening to the back waist opening. This unified structure eliminates the need for multiple separate components and their associated seams, while providing enhanced multi-directional stretch and form fitting properties that improve range of motion during physical activity.
Solution Approach 2:
The patent introduces a multi-axial design that adds dimensional complexity to the gusset structure, extending it across multiple axes (front-to-back, side-to-side, and vertically along the inner thighs). This multi-dimensional configuration allows the garment to accommodate various body movements and positions while maintaining a form fit, resolving the contradiction between motion freedom and structural simplicity.
2Object-affected harmful factors
If a conventional crotch gusset is used, then the manufacturing process is straightforward, but the gusset introduces chafing points and fails to distribute tension uniformly
Solution Approach 1:
By combining multiple discrete panels into a single continuous multi-axial gusset, the patent eliminates the seams and joints that create chafing points in conventional designs. The seamless construction reduces friction and irritation against the skin during movement, while the unified structure ensures uniform tension distribution across the entire crotch area.
Solution Approach 2:
The patent employs a homogeneous multi-axial gusset structure with consistent material properties and continuous construction throughout. This homogeneity ensures uniform tension distribution across the gusset surface, preventing localized stress concentrations that could cause chafing, while maintaining manufacturing efficiency through a streamlined single-piece construction approach.
3Ease of operation
If a form-fitting elastomeric garment is used, then the garment stretches and recovers with wearer movement, but the crotch area may pull on the wearer and resist motion
Solution Approach 1:
The patent implements a multi-axial gusset that extends in multiple directions (front-to-back across the pelvic portion, side-to-side along the inner thighs, and vertically), creating a three-dimensional network of stretch pathways. This multi-dimensional configuration allows the garment to stretch and recover uniformly in all directions of movement, preventing localized pulling and constriction forces that would resist wearer motion.
Solution Approach 2:
The patent utilizes elastomeric material properties with enhanced multi-axial stretch characteristics, changing the physical parameters of the gusset to accommodate various degrees and directions of movement. The elastomeric composition allows the gusset to dynamically adjust its tension and elasticity in response to wearer motion, reducing constriction forces while maintaining form fit.
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 multi-axial crotch gusset enhances the range of motion and provides a form fit by uniformly distributing tension across the gusset, reducing the risk of chafing, and ensuring comfortable wear during physical activity.
Implementation Method 1
lower-body garments can be constructed of elastomeric textiles that allow the garment to fit the wearer more closely and stretch and recover with wearer movement
Data Source
AI summary
A lower-body garment includes a multi-axial crotch gusset. The crotch gusset includes an elongated trunk having an elongated front portion and an elongated back portion where the elongated trunk continuously extends from a front side of a pelvic portion of the lower-body garment adjacent a waist opening to a back side of the pelvic portion of the lower-body garment adjacent the waist opening. The crotch gusset further includes a first wing that extends along an inner thigh portion of a first leg portion of the lower-body garment, and a second wing that extends along an inner thigh portion of a second leg portion of the lower-body garment.