Foot Covering with Sole Opening for Adjustable Ventilation

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Solution Overview

Problem

Conventional sweatpants and sleepwear with booties often cause the wearer's feet to become too warm, necessitating the removal of the clothing article.

Innovation Solution

A clothing article with booties that feature an opening on the sole, allowing the foot to be extended outside, made from resilient material, lined with Sherpa for warmth, and optionally with fleece and rubberized ink, providing adjustable ventilation and comfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If booties completely cover the foot, then warmth and protection are improved, but heat buildup occurs making feet too warm

Engineering Contradiction:

Improvefoot temperatureVSAvoidventilation adjustability

Core Design Contradiction:

TemperatureVSAdaptability or versatility

Solution Approach 1:

The foot covering is segmented by introducing an opening that divides the enclosed space, allowing partial exposure of the foot while maintaining coverage. This segmentation enables selective ventilation while preserving warmth and protection in other areas.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The foot covering transitions from a static completely enclosed structure to a dynamic configuration where the opening allows the foot to extend partially outside. This dynamic adjustment enables the wearer to adapt to changing thermal conditions without removing the entire garment.

Inventive Principle:

Principle #15Dynamics

2Temperature

If booties are made from thick insulating materials, then warmth is improved, but breathability and heat dissipation worsen

Engineering Contradiction:

Improvefoot warmthVSAvoidheat buildup

Core Design Contradiction:

TemperatureVSObject-generated harmful factors

Solution Approach 1:

Different parts of the foot covering have different thermal properties. The portions in contact with the foot maintain thick insulating materials for warmth, while the opening area provides a localized pathway for heat dissipation. This local quality differentiation resolves the contradiction between overall warmth and localized heat buildup.

Inventive Principle:

Principle #3Local quality

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

Enables adjustable ventilation and comfort by allowing the foot to be extended outside, reducing heat buildup and maintaining warmth, while maintaining protection and traction through the use of resilient and rubberized materials.

Implementation Method 1

the foot coverings have soles made of resilient material

Methodology Applied

Scientific EffectElasticity: Elasticity

Implementation Method 2

the foot coverings are lined on the inside with Sherpa material

Methodology Applied

Scientific EffectThermal insulation: Thermal Insulation

Implementation Method 3

the clothing article further includes a rubberized ink covering the sole of each foot covering

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS9314055B2Article of clothing

Publication Date: 2016.04.19 MORAN TIMOTHY

AI summary

An article of clothing includes a waist band, a seat portion, two pant legs, and two foot coverings disposed one each at the end of the pant legs. The foot coverings each include an opening of a size suitable for extending the foot through the foot coverings to the outside while wearing the article of clothing.