Ergonomic Mouse Sliding Cap Absorbs Reaction Forces
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Solution Overview
Problem
Conventional mice often cause wrist injuries due to inadequate absorption of reaction forces during prolonged use, as they primarily focus on ergonomic design for the palm rather than the movement aspect.
Innovation Solution
An ergonomic mouse design featuring a sliding cap pivotally mounted on a hollow body with an elastic anchor member, allowing the cap to be fine-tuned and anchored for optimal positioning, which absorbs reaction forces during movement, thereby reducing wrist strain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mouse design focuses on ergonomic shape for palm holding, then the palm comfort is improved, but the reaction force absorption during movement is insufficient causing wrist injury
Solution Approach 1:
The patent applies the dynamics principle by making the mouse body movable and adjustable rather than fixed. The sliding cap can move along the hollow body to different positions, and the elastic anchor member allows the cap to be anchored at desired locations. This dynamic adjustability enables the mouse to adapt to different user hand shapes and positions, improving both palm comfort and reaction force absorption during movement, thereby preventing wrist injury.
Solution Approach 2:
The patent applies parameter changes by allowing the sliding cap to be positioned at different locations along the hollow body. The elastic anchor member enables the cap to be anchored at specific positions, changing the geometric parameters of the mouse relative to the user's hand. This parameter adjustment optimizes both the ergonomic fit for the palm and the ability to absorb reaction forces during movement.
2Device complexity
If a fixed mouse design is used, then the device complexity is low, but the adaptability to different user ergonomic requirements is insufficient
Solution Approach 1:
The patent introduces dynamic elements (sliding cap and elastic anchor member) to a relatively simple fixed structure. The sliding cap can move along the hollow body and be anchored at different positions, providing adaptability to different user ergonomic requirements without requiring a completely complex reconfigurable structure. This balances device complexity with ergonomic adaptability.
Solution Approach 2:
The patent applies segmentation by dividing the mouse into distinct functional parts: the hollow body, the sliding cap, and the elastic anchor member. The sliding cap is separable from the hollow body, allowing it to be positioned and anchored independently. This segmentation enables ergonomic adaptability while keeping each component relatively simple, avoiding excessive overall complexity.
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 ergonomic mouse effectively reduces wrist injury by absorbing reaction forces, enhancing user comfort and meeting ergonomic requirements through precise positioning and anchoring of the sliding cap.
Implementation Method 1
The elastic anchor member corresponds to the trough to anchor the cap body relative to the hollow body
Data Source
AI summary
An ergonomic mouse has a sliding cap matching the curvature of a normal human palm. The sliding cap may be slid on the top of a hollow body to reach a desired operation position, then fine-tuned and anchored. Thus when the mouse is moved during operation, it can absorb reaction forces to avoid hurting the user's wrist and better meet ergonomic requirements.