Removable Shoe Toe Protector With Spring-Hinged Sole Cap
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing protective shoes with reinforced toecaps are uncomfortable, leading workers to avoid wearing them despite legal requirements, due to their permanent and non-removable design.
Innovation Solution
A protective device comprising a spring-loaded joint connecting a protective sole and cap element, allowing easy attachment and detachment to a shoe, with a torsion spring providing comfort by folding during walking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a reinforced toecap is permanently integrated into the shoe, then protection against falling objects is improved, but comfort and ease of operation deteriorate
Solution Approach 1:
The protective device is divided into separate components: a protective cap element and a protective sole element that can be detached from each other and from the shoe. This segmentation allows the protection elements to be removed when not needed, improving comfort while maintaining protection when attached
Solution Approach 2:
The protective device incorporates a joint with a spring element that allows the cap element and sole element to move relative to each other. This dynamic structure enables the protective device to adapt to the natural movement of the foot, improving comfort while maintaining structural integrity for protection
2Reliability
If a reinforced toecap is permanently integrated into the shoe, then protection is improved, but ease of manufacture and adaptability worsen
Solution Approach 1:
The protective device is designed as separable components that can be independently attached and removed from the shoe and from each other, enabling adaptability for different uses while maintaining protection when needed
Solution Approach 2:
The protective device can serve multiple functions: it provides protection when attached, can be removed for comfort, and the components can be separately attached to different shoes or footwear, making it universally applicable
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 device offers effective protection for the forefoot while maintaining comfort by folding during normal motion, addressing the discomfort issue of traditional reinforced toecaps.
Implementation Method 1
the joint encompasses the spring element, which spring element encompasses a torsion spring
Implementation Method 2
the spring element is pre-tensioned in the unfolded position
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a protective device for attaching to a shoe, said shoe comprising a shoe sole and a front cap. The protective device comprises a protective sole element (1) and a protective cap element (4), wherein the protective sole element (1) can be placed on the shoe sole and has a sole shape which is adapted to the shape of the shoe sole, and the protective cap element (4) can be placed against the front cap and has a cap shape which is adapted to the shape of the front cap. The protective sole element (1) and the protective cap element (4) are connected together via a joint (6), by means of which the front regions (5) of the protective sole element (1) and of the protective cap element (4) are rotatably connected relative to each other and by means of which the protective device can be moved from a folded-out position into a folded-in position.