Boot Shaft Girdle for Smooth Pant Fit

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Solution Overview

Problem

The fit of pants over boots can be difficult to achieve without visible bulges or deformation, as the boot shaft often presses against the pant leg, revealing its outline, which is aesthetically unpleasing.

Innovation Solution

A boot girdle accessory featuring a flat strap with hook and loop fasteners that wraps around the boot shaft, reducing its circumference and securing it in a folded position, allowing the pant leg to lay smoothly over the boot without visible deformation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the boot shaft is worn under pant legs, then the boot can be concealed, but the boot shaft presses outward against the pant leg to reveal the bumpy outline of the boot shaft

Engineering Contradiction:

Improveaesthetic appearanceVSAvoidboot shaft outline

Core Design Contradiction:

Ease of manufactureVSShape

Solution Approach 1:

The strap acts as an intermediary device between the boot shaft and the pant leg. It wraps around the boot shaft to create a smooth external surface that the pant leg can lay over without revealing the bumpy outline of the boot shaft, zipper, or pull strap.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The strap changes the effective circumference parameter of the boot shaft by wrapping around it and fastening with hook and loop material. This parameter change creates a smoother profile that conceals the boot shaft's original shape and features.

Inventive Principle:

Principle #35Parameter changes

2Ease of operation

If the pant leg is pulled over the boot shaft, then the boot can be concealed, but it is difficult to pull the pant leg over the boot due to the fit of the pants

Engineering Contradiction:

Improveease of pulling pant leg over bootVSAvoidboot shaft circumference

Core Design Contradiction:

Ease of operationVSShape

Solution Approach 1:

The strap reduces the effective circumference of the boot shaft by wrapping around it and fastening. This parameter change makes it easier to pull the pant leg over the boot while maintaining concealment of the boot shaft.

Inventive Principle:

Principle #35Parameter changes

3Shape

If the boot shaft is folded smooth against the wearer's leg, then the outline can be concealed, but the shaft may unfold and return to its original shape

Engineering Contradiction:

Improveboot shaft smoothnessVSAvoidfolded shaft position

Core Design Contradiction:

ShapeVSStability of the object's composition

Solution Approach 1:

The strap is applied to the boot shaft before wearing the boots, preliminarily securing the shaft in a folded smooth position. This preliminary action ensures the shaft remains in the desired smooth configuration throughout wear.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The strap serves as a mediating device that holds the boot shaft in the folded smooth position against the wearer's leg, preventing it from unfolding and returning to its original shape during movement.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 strap effectively conceals the boot shaft, providing a fashionable and tailored appearance by slimming the boot's outline under the pant leg, suitable for various boot sizes and styles.

Implementation Method 1

A patch of hook material may be secured to the first side of the strap adjacent to the first end and a patch of loop material may be secured to the second side of the strap adjacent to the second end

Methodology Applied

Scientific EffectHook and loop fastener mechanism: Mechanical Fastener

Data Source

PatentUS11684124B2Accessory wearable around a boot shaft

Publication Date: 2023.06.27 BROWN III CHARLES H

AI summary

An accessory that is wearable around a boot or other high-top shoe includes a generally flat strap having a first side, a second side, a first end and a second end. A patch of hook material may be secured to the first side of the strap adjacent to the first end and a patch of loop material may be secured to the second side of the strap adjacent to the second end. The strap has a length sufficient to wrap around the shaft of a boot and reduce an effective circumference of the boot shaft with the patch of hook material in face-to-face engagement with the patch of loop material.