Replaceable Bicycle Shoe Cleat Assembly for Wear Reduction
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Solution Overview
Problem
Existing bicycle shoe cleats are typically one-piece structures made of plastic, leading to uneconomical replacement when worn, as the entire cleat must be discarded despite uneven wear, and require additional positioning aids for accurate reinstallation, increasing manufacturing costs.
Innovation Solution
A replaceable bicycle shoe cleat assembly comprising two independent cleat members with specific fastening and positioning portions that allow for selective replacement and accurate positioning without additional aids, reducing waste and manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a one-piece cleat structure is used, then manufacturing cost and weight are reduced, but the entire cleat must be replaced when worn, increasing replacement cost and waste
Solution Approach 1:
The cleat is divided into multiple independent cleat members (first cleat member and second cleat member) that can be selectively replaced. The first cleat member includes a first fastening portion and first positioning portion, while the second cleat member includes a second fastening portion and second positioning portion. This segmentation allows only the worn portions to be replaced rather than the entire cleat, resolving the contradiction between simple manufacturing and costly replacement.
2Manufacturing precision
If additional positioning aids are used, then accurate cleat positioning is achieved, but manufacturing costs and device complexity increase
Solution Approach 1:
The positioning function is merged into the cleat members themselves through the positioning portions that mate with corresponding positioning features on the shoe sole. The first positioning portion and second positioning portion are integrated into the cleat members, eliminating the need for separate positioning aids. This merging achieves accurate positioning while reducing device complexity and manufacturing costs.
3Device complexity
If a one-piece cleat is used, then structural simplicity is maintained, but partial renewal is not possible, reducing resource efficiency
Solution Approach 1:
The cleat is segmented into multiple replaceable members with standardized positioning portions. The first cleat member and second cleat member can be independently replaced based on wear patterns. This segmentation enables partial renewal of only the worn portions while maintaining overall structural simplicity through standardized interfaces and positioning mechanisms.
Data Source
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AI summary
A replaceable bicycle shoe cleat assembly includes a first cleat member (10) and a second cleat member (20), which can be replaced independently from a bicycle shoe (90) when worn out. Therein, the new cleat member can get positioned by the remained member and thus be accurately fixed to the bicycle shoe (90) at a position where the replaced cleat member was formerly installed.