Multifunction Push-Pull Garden Tool With Curved Ergonomic Shaft
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Solution Overview
Problem
Existing garden hand tools often have limited functionality and ergonomic issues, causing stress on the user's hand or wrist due to non-ergonomic connections between the handle and head.
Innovation Solution
A garden hand tool with a head that provides multiple functions, featuring a V-shaped blade and a looped or open handle, and a shaft with continuous curves that improve ergonomics by directly transferring force without introducing stress points, allowing for efficient push-pull operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handle is connected directly to the head in traditional garden tools, then the structure is simple, but it causes stress on the user's hand or wrist due to non-ergonomic design
Solution Approach 1:
The shaft is designed with a curved configuration instead of a straight line, allowing the handle to be positioned at an ergonomic angle relative to the head. This curvature enables natural wrist alignment during push-pull operations, reducing stress on the user's hand and wrist while maintaining structural integrity.
2Productivity
If traditional single-function heads are used, then the device complexity is low, but the gardening productivity is limited
Solution Approach 1:
The head assembly incorporates multiple functional elements including a V-shaped blade for cutting, a scoop for lifting and moving material, and a tamping surface for compacting. This multi-functional design allows a single tool to perform various gardening tasks such as weeding, edging, lifting soil, and compacting, thereby increasing gardening productivity without requiring multiple separate tools.
3Reliability
If the shaft has straight connections, then the manufacturing is simple, but it introduces stress points that reduce reliability
Solution Approach 1:
The curved shaft design distributes mechanical stress along its length by following the natural flow of forces during push-pull operations. The curvature acts as a stress distributor, preventing concentration at sharp corners or rigid joints, thereby improving reliability and durability while remaining manufacturable through standard forming processes.
Data Source
AI summary
A garden hand tool is described to enable easier gardening with increased gardening and landscaping functionality. The hand tool has a head that provides multiple functions. The handle can provide improved ergonomics and direct the force applied by the user to the head for improved operation. The shaft of the tool can have a curve to improve the ergonomics of the tool.