Stationary Bicycle Resistance Indicator Disk Mechanism
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Solution Overview
Problem
Users of stationary exercise bicycles often lack a visual indication of resistance levels, leading to inefficient workouts due to underestimation of resistance, which can result in reduced fitness benefits and increased exercise time.
Innovation Solution
A device comprising a mounting bracket, a disk with numeral markers, and a resistance adjustment knob connector, where the disk rotates to display the estimated resistance level, allowing users to adjust resistance levels based on visible indicators during exercise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a basic stationary bicycle with resistance adjustment knob is used, then the device complexity is low, but the measurement precision of resistance level is insufficient
Solution Approach 1:
A disk with numeral markers is introduced as an intermediary visual indicator between the resistance adjustment mechanism and the user. The disk rotates in correspondence with resistance changes and displays numerical values (e.g., 1-100) that represent resistance levels, providing clear measurement without adding complex electronic sensors or measurement systems.
Solution Approach 2:
The resistance level is copied and represented visually through numeral markers on a rotating disk. Instead of directly measuring physical resistance forces, the system creates a visual copy of the resistance state through easily readable numbers that correspond to the actual resistance level, making measurement precise and user-friendly.
2Loss of information
If no resistance estimation gage is provided, then the ease of manufacture is high, but the loss of information about resistance level is significant
Solution Approach 1:
A simple visual intermediary system using a disk with printed numeral markers is implemented to display resistance information. This mediator component is inexpensive to manufacture and integrate, yet it effectively communicates resistance levels to users, preventing information loss without complicating the manufacturing process.
Solution Approach 2:
The disk incorporates visual elements including numeral markers that may use different colors or patterns to indicate resistance levels. This visual encoding provides clear information about resistance without requiring complex electronic displays, maintaining ease of manufacture while eliminating information loss.
3Productivity
If resistance adjustment without visual indication is used, then the device complexity is low, but the productivity of exercise routine is reduced
Solution Approach 1:
The rotating disk with numeral markers provides immediate visual feedback to users about the current resistance level. As users adjust the resistance knob, the disk rotates to display the corresponding numerical value, enabling users to accurately track and control their exercise intensity, thereby improving exercise efficiency without adding complex feedback systems.
Solution Approach 2:
The resistance state is copied into a visual format through numeral markers on the disk, allowing users to quickly perceive resistance levels during exercise. This visual copy enables efficient monitoring and adjustment of exercise parameters, enhancing productivity while maintaining simple device architecture.
Data Source
AI summary
A device and method for estimating a resistance of a wheel of a bicycle is disclosed. The device includes a mounting bracket, a disk, and a resistance adjustment knob. The mounting bracket is coupled to the bicycle. The disk is configured to indicate the resistance. The disk is located within the mounting bracket. The resistance adjustment knob is connected to the disk via a connector. Upon rotation of the knob, the connector rotates the disk for estimating the resistance of the wheel of the bicycle. The determined estimated resistance is visible on the disk.