Tilt Scroll Wheel Structure for Low-Force Horizontal Scrolling
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Solution Overview
Problem
Conventional tilt wheel mice require significant force for horizontal scrolling, making them inconvenient to use.
Innovation Solution
An input device with a wheel, supporting frame, push button switch, and tilt switches, where the wheel is pivotally connected to the supporting frame, allowing for easy tilting and triggering of switches without requiring large force application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wheel is designed to scroll with large amplitude for horizontal controlling, then the horizontal scrolling function is achieved, but the force required to operate the wheel becomes excessively large
Solution Approach 1:
The wheel is designed to dynamically switch between two operational modes: rotation for vertical scrolling and tilting for horizontal scrolling. This dynamic reconfiguration allows the wheel to achieve horizontal controlling through tilting motion rather than large-amplitude rotation, significantly reducing the force required while maintaining full functionality.
Solution Approach 2:
The wheel's functionality is segmented into distinct operations: vertical scrolling through rotation and horizontal scrolling through tilting. By separating these functions and providing dedicated detection mechanisms (rotation detection for vertical, tilt detection for horizontal), the system allows users to perform horizontal scrolling with minimal force through tilting rather than forcing large rotational movements.
2Adaptability or versatility
If the wheel is made to tilt for horizontal scrolling control, then horizontal scrolling is enabled, but the structure becomes more complex
Solution Approach 1:
The wheel serves multiple functions through a single unified structure: it can rotate for vertical scrolling, tilt for horizontal scrolling, and press for click operations. The supporting frame and detection mechanisms are designed to handle all three modes of operation, eliminating the need for separate control mechanisms and thereby reducing overall structural complexity despite the enhanced versatility.
Data Source
AI summary
The present invention relates to an input device. The input device includes a circuit board, a wheel, a supporting frame, a push button switch and a tilt switch. The wheel has a rotary shaft. The supporting frame includes a body, an extension arm, a first and a second supporting portion. The wheel is pivotally connected to the body by the rotary shaft. The extension arm is disposed at the side edge of the body. The first and second supporting portion are connected to the body, where the second supporting portion is disposed between the rotary shaft and the first supporting portion. The push button switch is corresponding to the body. When the wheel is pressed, the body is driven to trigger the push button switch. The tilt switch is corresponding to the extension arm. When the wheel tilts, the extension arm is driven to trigger the tilt switch.