C-Shaped Fork Saddle Anchoring Ischial Strain
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Solution Overview
Problem
Existing vehicle saddles, particularly for bicycles and motorcycles, fail to provide ergonomic support, often causing strain on the ischial bones due to localized reaction forces and complex coupling mechanisms, leading to discomfort and potential damage.
Innovation Solution
A saddle design featuring a base component with removable padding and a fork member with a C-shaped anchoring component that distributes weight more evenly, reducing rigidity and minimizing contact with the ischial bones, utilizing a fork with prongs constrained by a C-shaped anchoring component to enhance flexibility and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the fork is anchored to the body at an area immediately below the ischial bone, then the saddle provides structural support, but localized reaction forces cause strain and discomfort to the ischial bones
Solution Approach 1:
The saddle is divided into distinct functional components: a shell structure, a separate padding component, and a fork member with anchoring component. This segmentation allows each part to perform its specific function - the shell provides structural support while the padding distributes pressure, and the anchoring component is positioned to avoid direct contact with ischial bones, thereby resolving the contradiction between structural support and ischial bone strain.
Solution Approach 2:
The padding component acts as an intermediary between the shell and the user's body. It distributes the localized reaction forces from the fork's structural support across a larger area, preventing concentrated pressure on the ischial bones while maintaining the necessary structural integrity through the shell-fork-anchoring system.
2Stability of the object's composition
If traditional coupling mechanisms are used to connect the fork to the shell, then the saddle achieves structural stability, but the structure becomes complex and difficult to manufacture
Solution Approach 1:
The anchoring component is merged with the fork member to form an integrated assembly. The C-shaped anchoring component is directly formed as part of the fork structure, eliminating the need for separate coupling mechanisms. This integration maintains structural stability while significantly simplifying the overall design and manufacturing process.
Solution Approach 2:
The anchoring component serves multiple functions simultaneously: it provides structural attachment to the shell, positions the fork member correctly, and contributes to the overall structural stability. This multi-functionality eliminates the need for additional specialized coupling components, reducing complexity while maintaining stability.
3Strength
If the saddle uses a rigid structure for support, then structural strength is maintained, but comfort and flexibility are reduced
Solution Approach 1:
Different parts of the saddle have different mechanical properties optimized for their specific functions. The shell maintains rigidity for structural strength, while the padding component provides local flexibility and comfort where it contacts the user. The fork member with its C-shaped anchoring component offers controlled flexibility to reduce rigidity-related discomfort while preserving overall structural integrity.
Data Source
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Figure 9
AI summary
A saddle (1) for a vehicle, a bicycle or a motorcycle, comprising a seating structure (2, 3), a fork member (4) secured below the seating structure (2, 3) and at least one anchoring component (5) of each rear end of the fork member (4) to the seating structure (2, 3).