Ergonomic Dibble Gardening Tool with Fractional Depth Markings
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Solution Overview
Problem
Existing garden tools for youth, particularly those used in school gardens, lack ergonomic design and functionality, posing safety hazards and being inefficient due to inappropriate sizing, shape, and lack of fractional depth markings, making them ineffective for children's use.
Innovation Solution
A dibble gardening implement designed for elementary and middle school-aged children, featuring a substantially two-dimensional body with a triangular tooth orthogonal to the shank, ergonomic grip, fractional depth markings, and secure storage options, made from durable materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If garden tools are made as miniature versions of adult tools, then they are easier to manufacture and store, but they do not consider youth ergonomics and are ineffective for breaking up soil
Solution Approach 1:
The tool parameters (size, weight, geometry) are specifically changed to match youth physical capabilities rather than simply scaling down adult tools. The dibble features a shorter handle, smaller head, and lighter weight optimized for children's strength and reach, while the rounded edge geometry is specifically designed to effectively break up soil despite the smaller size.
2Object-affected harmful factors
If tool edges are rounded for safety, then safety hazards are reduced, but the utility of breaking up soil is compromised
Solution Approach 1:
Different parts of the tool have different edge characteristics optimized for their specific functions. The handle and non-working surfaces have fully rounded edges for safety, while the working edge of the dibble head maintains sufficient sharpness and geometry to effectively break up soil, creating a localized balance between safety and functionality.
3Ease of manufacture
If dibbles are cylindrical in design, then they are simple to manufacture, but they do not allow for easy storage of multiple dibbles or personal transport
Solution Approach 1:
The dibble transitions from a traditional cylindrical three-dimensional form to a flattened two-dimensional profile. This dimensional change allows multiple dibbles to be stored edge-to-edge in a compact arrangement, fitting easily into backpacks or storage containers, while maintaining sufficient structural strength for soil penetration through optimized thickness and material selection.
4Ease of manufacture
If dibbles have inch measurements only, then they are simpler to manufacture, but youth cannot infer fractional depth measurements for proper seed planting
Solution Approach 1:
The measurement scale is segmented into both whole inch markings and fractional subdivisions (such as quarter-inch or half-inch marks). This segmentation provides youth with discrete, easy-to-read depth guides that eliminate the need for complex fractional inference, allowing direct visual alignment with the desired planting depth for different seed types.
Data Source
AI summary
A garden dibble, comprising: a shank, wherein the shank is rectilinear and has a rectangular footprint and a rectangular cross-section, wherein the shank has a length, a width and a thickness, wherein the thickness is between a first face of the shank and a second face of the shank opposite the first face, wherein the length is at least 6 times the thickness and the width is at least twice the thickness; a plurality of rule marks on the first face of the shank, wherein the plurality of rule marks is distributed along the length of the shank; at least two holes extending through the thickness of the shank between the first face and the second face, wherein the at least two holes are distributed along the length of the shank; and a tooth that extends from an end of the shank, wherein the tooth is substantially triangular.