Slip-on Boot with Segmented Interior for Secure Fit
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Solution Overview
Problem
Slip-on boots often have a large inner volume that results in a poor fit, causing the foot to slide around during use due to the need for increased clearance for easy entry and exit, leading to an undesirable sloppy fit.
Innovation Solution
The design of the slip-on boot features a foot fitting volume that closely approximates the user's foot shape, with a flexible zone and specific internal dimensions to secure the foot without constant pressure, and optional tightening mechanisms, using vulcanized rubber over neoprene for a comfortable and secure fit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the inner volume of slip-on boots is increased to allow easy foot entry and exit, then ease of operation is improved, but the fit quality deteriorates causing foot sliding
Solution Approach 1:
The boot interior is segmented into different zones with varying volumes and fit characteristics. The forefoot area has a reduced volume to prevent sliding, while the heel area maintains appropriate clearance for entry/exit. This segmentation allows the boot to provide both easy entry and secure fit simultaneously.
Solution Approach 2:
Different regions of the boot interior are given different quality characteristics. The forefoot portion is designed with a smaller, more form-fitting volume to secure the foot, while the heel portion maintains larger clearance. This local differentiation resolves the contradiction between overall volume for entry/exit and localized volume for fit security.
2Reliability
If the inner volume of slip-on boots is reduced to improve fit, then fit quality is improved, but ease of operation deteriorates making foot entry and exit difficult
Solution Approach 1:
The boot interior is divided into functional zones where the forefoot area has reduced volume for secure fit while the heel area maintains expanded clearance. This segmentation enables the boot to provide form-fitting security in critical areas while preserving ease of entry/exit through strategic volume distribution.
Solution Approach 2:
The boot incorporates dynamic elements such as elastic panels and flexible zones that allow the interior volume to change during entry/exit operations. These dynamic features temporarily expand to facilitate foot insertion, then return to their form-fitting configuration to prevent sliding during wear.
3Reliability
If tightening mechanisms are added to secure the foot in the boot, then fit quality is improved, but device complexity increases
Solution Approach 1:
The patent removes traditional complex tightening mechanisms (laces, buckles, zippers) from the boot design. Instead, it extracts only the essential volume-reduction function and implements it through simplified structural features such as elastic panels and form-fitting interior zones, thereby maintaining fit quality while eliminating mechanical complexity.
Solution Approach 2:
The boot employs self-adjusting elastic panels and flexible materials that automatically conform to the foot's shape and provide securing pressure without requiring user intervention. This self-service mechanism eliminates the need for manual tightening mechanisms while maintaining secure fit quality.
Data Source
AI summary
The present disclosure provides a slip-on boot with fit features that enable snug fit while still allowing for convenient foot entry and exit. Related methods of using and manufacturing a slip-on boot are also provided.