Thermoformable Bicycle Saddle Heating for Rider-Specific Fit
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Solution Overview
Problem
Conventional bicycle saddles often fail to provide comfortable support for riders due to varying anatomies and weight changes, leading to discomfort and the need for frequent replacement.
Innovation Solution
Customizable bicycle saddles with integrated or external heaters that mold to the rider's anatomy using thermoformable materials, allowing multiple adjustments to achieve a desired fit, and sensors for feedback-controlled heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional bicycle saddles are used, then manufacturing cost and weight are low, but comfort and adaptability to rider anatomy deteriorate
Solution Approach 1:
The saddle incorporates a moldable foam core that can be thermally remolded to adapt to different rider anatomies. The foam material transitions from a rigid manufactured state to a flexible moldable state when heated, allowing the saddle to dynamically conform to the rider's body shape and provide customized support.
Solution Approach 2:
The saddle utilizes temperature as a control parameter to change the physical properties of the foam core. When heated to a specific temperature range, the foam becomes moldable and can be shaped to fit the rider's anatomy. After molding, the foam is cooled to set the new shape, creating a permanent customized fit.
2Adaptability or versatility
If conventional bicycle saddles are used, then initial cost is low, but need for frequent replacement increases due to weight or size changes
Solution Approach 1:
The saddle is designed to be dynamically reconfigurable through thermal remolding. When a rider experiences significant weight or size changes, the saddle can be reheated and remolded to accommodate the new anatomy, eliminating the need for replacement and extending the saddle's service life.
Solution Approach 2:
The saddle incorporates an integrated heating system that enables the rider to perform remolding at home without requiring specialized equipment or facilities. The heating elements allow the rider to warm the foam core and manually mold it to their current anatomy, making the adaptation process accessible and convenient.
3Manufacturing precision
If integrated heaters are used in the saddle, then molding precision is improved, but saddle weight and device complexity increase
Solution Approach 1:
The heating system is segmented into multiple independent heating zones rather than a single uniform heater. This allows targeted heating of specific foam regions that require molding, improving energy efficiency and reducing the overall heating power required, thereby minimizing weight addition.
Solution Approach 2:
The saddle employs localized heating elements positioned at specific locations where the foam core needs to be warmed for molding. Rather than heating the entire saddle uniformly, the heating is concentrated only in the necessary regions, reducing total energy consumption and allowing for lighter, more efficient heating components.
4Weight of moving object
If external heaters are used instead of integrated heaters, then saddle weight is reduced, but ease of operation deteriorates due to separate heating process
Solution Approach 1:
The patent presents both integrated and external heater options, allowing riders to choose the configuration that best suits their needs. Integrated heaters combine the heating function with the saddle structure for convenience, while external heaters can be attached to existing saddles without permanent modification, offering flexibility for different use cases.
Solution Approach 2:
External heaters serve as an intermediary solution between the rider and the foam core. These heaters can be temporarily attached to the saddle, provide the necessary heat for molding, and then removed without leaving permanent modifications. This intermediary approach balances the need for heating with the desire to maintain saddle simplicity and portability.
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
Provides a highly customized fit that reduces pressure points and discomfort, enabling multiple remolding to accommodate changes in rider weight or size, while maintaining comfort and reducing saddle weight.
Implementation Method 1
a heater configured to heat the thermoformable material of the bicycle saddle
Implementation Method 2
a moldable or thermoformable material that is capable of being molded or thermoformed to a rider's anatomy
Data Source
AI summary
A bicycle saddle can be customized to a rider's body to achieve desired support and comfort. The support shell is configured to support a rider's body and can be heated by an external heater and/or at least one internal thermal element operable to heat the bicycle saddle such that the saddle is molded to the rider. A molding indicator in thermal contact with the saddle measures a molding factor, such as temperature or deflection, and visually indicates the measured molding factor for molding the bicycle saddle.