Bicycle Handlebar Actuator with Snap Switch Haptic Feedback
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Solution Overview
Problem
Existing electrical bicycle component operating devices have complex designs and lack sufficient haptic feedback, making them difficult to use effectively, especially on uneven terrain.
Innovation Solution
An operating device with an annular base element and a rotatable actuating element that includes a snap switch, providing haptic feedback through a spring mechanism, which is pre-loaded into a neutral position and actuated to generate sensory feedback, reducing complexity and assembly effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If prior art electrical contact switches are used, then electrical bicycle components can be operated, but the design becomes complex and haptic feedback is insufficient
Solution Approach 1:
The patent combines the electrical contact switch function with the haptic feedback mechanism into a single integrated component. The snap switch inherently provides both the electrical switching function and the tactile feedback through its mechanical snap action, eliminating the need for separate feedback mechanisms and reducing overall device complexity.
Solution Approach 2:
The snap switch is designed to generate its own haptic feedback through its inherent mechanical structure. The spring-loaded snap mechanism automatically provides tactile feedback to the rider upon actuation, without requiring external feedback systems. This self-service approach simplifies the overall device design while maintaining adequate haptic feedback.
2Ease of operation
If multiple components are used to provide haptic feedback, then rider interaction is enhanced, but assembly effort and complexity increase
Solution Approach 1:
The patent merges the haptic feedback function with the actuating element itself. The snap switch mechanism is integrated directly into the actuating element, so that a single component provides both the actuation function and the haptic feedback. This eliminates the need for multiple separate components and reduces assembly effort.
Solution Approach 2:
The actuating element is designed to generate its own haptic feedback through its mechanical structure. The spring-loaded snap mechanism automatically provides tactile feedback upon actuation, without requiring additional feedback components. This self-service design simplifies manufacturing and assembly while enhancing rider interaction.
3Ease of manufacture
If a simple design is used, then assembly effort is reduced, but haptic feedback may be insufficient
Solution Approach 1:
The snap switch is designed to inherently provide haptic feedback through its mechanical structure. The spring-loaded mechanism automatically generates tactile feedback upon actuation, without requiring additional feedback components. This self-service approach maintains a simple design while ensuring adequate haptic feedback for rider interaction.
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
The device offers a simple design with strong haptic feedback, enhancing rider interaction and reducing the risk of accidental actuation, while allowing for easy operation of electrical bicycle components like gear shifting and suspension systems.
Implementation Method 1
providing haptic feedback through a spring mechanism
Data Source
AI summary
An operating device for operating an electrical bicycle component includes a base element, an actuating element and a housing. The base element is configured to be non-rotatably mounted about a bicycle handlebar. The actuating element is rotatable relative to the base element from a neutral position to a first actuating position. The actuating element may be pre-loaded into the neutral position. A first electrical contact switch may be actuated when the actuating element is moved from the neutral position to the first actuating position.