Open-Seat Leggings With Curtain for Fastener-Free Access
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Solution Overview
Problem
Existing women's clothing designs lack easy access to the genital area without bulky or irritating fasteners, requiring manual intervention to keep the opening open, and risk accidental exposure during physical activities.
Innovation Solution
A flexible, fastener-free crotch design with a seamed gap and movable curtain that opens with one hand and stays open due to material tension, allowing easy access and maintaining privacy during use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fasteners such as buttons, zippers, hooks, or clasps are used to secure the crotch opening, then the opening can be securely closed, but the garment becomes bulky, irritating to the skin, and complex in structure
Solution Approach 1:
The patent removes fasteners entirely from the crotch opening design. Instead of using buttons, zippers, hooks, or clasps to secure the opening, the garment relies on the elastic properties of the fabric itself to provide closure, thereby eliminating structural complexity and potential skin irritation while maintaining reliable closure through material elasticity
Solution Approach 2:
The patent changes the physical parameter of the fabric by using elastic material with specific stretch and recovery properties. The elastic fabric dynamically adjusts its tension based on body movement and pressure, providing automatic closure without mechanical fasteners. This parameter change allows the material itself to perform the fastening function
2Reliability
If multiple overlapping flaps are used to cover the crotch opening, then privacy is maintained, but manual intervention is required to keep the opening open during use
Solution Approach 1:
The elastic fabric automatically responds to body movements and pressure changes. When the wearer needs to access the crotch opening, the fabric naturally stretches and opens; when pressure is released, it automatically returns to its closed state. This self-service mechanism eliminates the need for manual intervention to maintain the opening while preserving privacy through the fabric's inherent elastic recovery
Solution Approach 2:
The patent employs dynamic fabric behavior where the elastic material continuously adjusts its state based on real-time physical conditions. The fabric transitions between closed and open states dynamically in response to wearer movement, providing both privacy when closed and accessibility when opened without requiring manual manipulation of multiple flaps
3Ease of operation
If a crotch opening is provided without fasteners, then ease of access is improved, but the risk of accidental exposure during physical activities increases
Solution Approach 1:
The elastic fabric's physical parameters (tension, elasticity, recovery rate) are optimized to maintain closure during various physical activities. The material's inherent elastic properties create a restoring force that keeps the crotch opening closed during movement, preventing accidental exposure while still allowing easy access when the wearer intentionally applies pressure to open it
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
Provides easy, hands-free access to the genital area without fasteners, reducing the risk of soiling and discomfort, while maintaining privacy and comfort during physical activities.
Implementation Method 1
an article of clothing made from an elastic material and having a crotch opening that is held in a closed state by tension in the material
Data Source
AI summary
An open seat leggings with curtain is fastenerless clothing that covers at least a portion of the lower, and in some embodiments upper, body of the wearer and possesses a flexible seamed opening in the crotch portion that is concealed by a curtain portion. The open seat leggings possess no in-seam, may vary in length, and may further include crus portions having specifically performing seams or stich lines. The curtain portion may comprise a separate removable article of clothing that overlies the open seat leggings or a permanently affixed portion wherein its top edge is stitched into the waistband of the open seat leggings. In every embodiment, wearers may draw the curtain portion aside then squat or sit to widen the seamed opening while maintaining the curtain's orientation hands-free throughout use. Further embodiments contemplate the addition of bra, tanktop, collar, sleeve, forearm, hand loop, and foot loop portions.