Bicycle Seat Diagonal Rotation Mounting
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Solution Overview
Problem
Traditional bicycle seats are inflexible and can cause discomfort and perineal health issues due to their fixed position, leading to chafing, restricted blood flow, numbness, and potential sacroiliac joint problems, as they wedge the hip bones apart and restrict natural body movement during pedaling.
Innovation Solution
A bicycle seat assembly with a mounting system that allows the seat to rotate diagonally, enabling side-to-side movement, with a front sloping portion and rear support, mounted in a hub with bearings for smooth rotation, accommodating both lateral and forward-backward movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional fixed bicycle seat is used, then the seat structure is simple and stable, but it causes discomfort and health issues by restricting natural body movement and wedging hip bones apart
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed seat into a movable one. The seat is mounted on a rotatable assembly with diagonal axis rotation capability, allowing it to move sideways and pivot as the pedals are pushed. This dynamic movement accommodates the rider's natural body motion during pedaling, eliminating the wedging effect on hip bones and improving comfort while maintaining structural simplicity through straightforward mechanical components.
Solution Approach 2:
The patent applies segmentation by dividing the seat into multiple functional components: the seat itself, the mounting assembly, the hub with diagonal axis rotation, and the lower frame member. This segmentation allows each component to perform its specific function - the hub provides rotational freedom, the mounting assembly connects components, and the seat provides support - thereby improving comfort through controlled movement while keeping the overall structure manageable and not overly complex.
2Ease of operation
If a bifurcated seat with pivotable portions is used, then comfort is improved by reducing hip bone pressure, but the device complexity increases with multiple moving parts
Solution Approach 1:
The patent merges the benefits of bifurcated seat design with a simplified single-axis rotation mechanism. Instead of complex multi-directional pivoting, the seat is mounted on a hub that allows rotation along a diagonal axis, combining lateral movement and forward-backward motion into a single rotational degree of freedom. This merging approach maintains comfort by accommodating natural body movement while reducing structural complexity compared to multi-assembly pivotable designs.
3Adaptability or versatility
If the seat is mounted at a diagonal angle in a hub, then side-to-side movement is enabled improving comfort, but the manufacturing precision requirements increase
Solution Approach 1:
The patent applies asymmetry by mounting the seat at a diagonal angle rather than horizontally or vertically. This asymmetric diagonal mounting enables the seat to move sideways and pivot naturally during pedaling, accommodating the rider's body motion. The asymmetric design is implemented through standard mechanical components with conventional tolerances, avoiding the need for extremely precise manufacturing while still achieving the desired movement capability and comfort benefits.
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
This design enhances comfort by allowing the seat to move with the rider's body, reducing pressure points and potential health issues by accommodating natural body movement, providing a more comfortable and potentially healthier riding experience.
Implementation Method 1
The mounting assembly preferably includes suitable bearings to permit the rotatable movement
Data Source
AI summary
A seat assembly (10) for a bicycle, the seat assembly (10) having a seat (34) and a mounting assembly (50) located proximate a front of the seat (34) and being connected thereto, a hub (22) for receiving mounting assembly (50) in a rotatable manner, the axis of rotation (88) being diagonal with respect to horizontal and vertical planes, the arrangement being such that the seat (34) can move from side to side, and a lower frame member (24) extending between the hub (22) and a seat post mounting element (12).