Cycle Seat with Rear Support for Posture Stability
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Solution Overview
Problem
Cyclists face difficulty in maintaining their position and reducing strain on the back and upper body while pedaling, especially when encountering hills, as existing solutions do not effectively counteract the rearward force exerted during pedaling.
Innovation Solution
A cycle seat design featuring a rear support portion that extends vertically from the seat section to counteract rearward movement, with a crotch area and seat section that conform to the user's body, providing a counterforce against the coccyx to maintain posture and reduce strain, and optionally featuring a displaceable or resiliently deformable rear support portion for enhanced comfort and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional cycle seat is used, then the seat structure is simple, but the user slides backwards during pedaling and experiences strain on the back and upper body
Solution Approach 1:
The seat is divided into functionally distinct segments: a seat section for basic support, a crotch area for positional stability, and a rear support portion with displaceable elements for active counterforce. This segmentation allows each part to perform its specific function optimally while maintaining overall structural coherence.
Solution Approach 2:
The rear support portion incorporates displaceable elements that can move relative to the seat section. These elements displace in response to rearward forces during pedaling, dynamically adjusting to provide counterforce and maintain user position, transforming a static seat into an adaptive support system.
2Force
If the rear support portion is made rigid, then it provides strong counterforce, but it transmits shocks and vibrations to the user
Solution Approach 1:
The displaceable elements in the rear support portion are designed to move under load, converting rigid force transmission into a dynamic response. This allows the structure to absorb shocks and vibrations through controlled displacement while maintaining the necessary counterforce strength to prevent backward sliding.
Solution Approach 2:
The displaceable elements act as built-in cushioning mechanisms that are already in place before shocks occur. They are positioned to immediately absorb and dissipate impact forces and vibrations before they can be transmitted to the user, providing proactive protection against harmful factors.
3Ease of operation
If the rear support portion extends vertically, then it effectively counters rearward movement, but it may interfere with the user's glutes
Solution Approach 1:
The rear support portion is designed with specific geometric characteristics and positioning that concentrate its support function at the coccyx region while avoiding contact with the glutes. The displaceable elements are shaped and positioned to provide localized counterforce exactly where needed without interfering with surrounding body parts.
Solution Approach 2:
The displaceable elements move in response to user position and pedaling forces, dynamically adjusting the support profile. This ensures that the rear support portion maintains effective counterforce against backward movement while adapting to the user's anatomy in real-time, preventing discomfort from improper contact.
Data Source
Figure 1
Figure 2
Figure 3a~3b
AI summary
A cycle seat cycle seat comprising: a crotch area (2), arrangement in use between a user's legs; a central seat section (3), which seat section is arranged for supporting the user's backside; and a rear support portion (5); wherein said portion extends away from the seat section to control rearwards movement of the user with relation to the seat section. The cycle seat may include a displaceable and/or resiliently deformable portion.