Retractable Inline Skate Shoe with Push-Button Deployment
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Solution Overview
Problem
Conventional rolling shoes with a single roller provide low rolling fun and stability due to the need to ride them with the front foot raised, limiting their functionality and usability.
Innovation Solution
A retractable inline skate shoe design where an inline skate can be selectively projected from and retracted into the shoe sole using a push button, allowing for easy conversion between shoe and skate functions without the need for separate equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single roller is mounted on the rear portion of the shoe sole, then the shoe can perform basic rolling function, but the rolling fun and stability are low and the user needs to ride with front foot raised
Solution Approach 1:
The single roller is divided into multiple rollers (inline skate configuration with 3-5 wheels arranged in a line). This segmentation transforms the unstable single-point contact into a stable linear contact along the foot, enabling natural riding posture and improving both stability and rolling performance
Solution Approach 2:
The shoe integrates both shoe function and inline skate function into a single product. The retractable inline skate can be stored within the shoe sole when not in use, allowing the product to serve as both a regular shoe and an inline skate, eliminating the need for separate equipment
2Adaptability or versatility
If an inline skate is permanently mounted on the shoe sole, then the inline skate function is always available, but the shoe cannot be used as a typical shoe and portability is reduced
Solution Approach 1:
The inline skate is designed with a retractable mechanism that allows it to be projected from and retracted into the shoe sole. This dynamic configuration enables the user to switch between shoe mode (skate retracted) and skate mode (skate projected), providing flexibility and convenience
Solution Approach 2:
The inline skate is nested within the shoe sole structure when retracted, with the skate components stored inside the shoe body. This nesting approach allows the skate to be conveniently stored without adding external bulk, maintaining the shoe's aesthetic and portability while enabling easy deployment when needed
3Reliability
If separate inline skate and shoe are provided, then each can be optimized for its specific function, but the user needs to carry multiple items and it is not economical
Solution Approach 1:
The patent merges the shoe and inline skate into a single integrated product. The inline skate is mounted within the shoe sole structure, combining two separate items (shoe and skate) into one unified product that provides both shoe function and skate function, reducing the number of items needed and improving economic efficiency
Data Source
AI summary
Disclosed herein is a retractable inline skate shoe. The retractable inline skate shoe is configured such that: a cavity is formed in the sole of a shoe body; the housing is mounted and fastened in the cavity; a slider is inserted into the housing; a push button is configured to protrude to an outside via a through hole portion formed in a heel of the shoe sole; a number of L-shaped wheel shaft insertion recesses are formed in lower portions of both left and right sides of the slider; a frame is mounted inside the slider; recessed wheel shaft fitting recesses are formed in both side wall surfaces of the frame; two fastening recesses are fastened onto the shoe sole; a guide is inserted into the frame; and the slider containing the frame is fastened into the housing by means of housing fastening plates.