Gardening Tool Forearm Support and Adjustable Handle
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Solution Overview
Problem
Individuals with mobility limitations, particularly those suffering from arthritis, face discomfort and difficulty when using conventional gardening tools due to the need to apply axial and rotational forces that exacerbate wrist joint pain.
Innovation Solution
A gardening tool with an elongated body featuring an arm attachment portion that secures around the user's forearm, a pivotally adjustable handle to minimize wrist stress, an adjustable pad for support, and a spring-loaded adapter mechanism for interchangeable tool heads, allowing for reduced discomfort and improved leverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional gardening tools are used, then basic gardening functions are achieved, but wrist strain and discomfort increase for users with mobility limitations
Solution Approach 1:
The patent introduces an intermediary support structure (the elongated body with arm attachment portion and pad) that mediates between the user's arm and the tool handle. This intermediary provides mechanical support to the wrist joint, distributing forces away from the wrist and reducing strain while maintaining tool control.
Solution Approach 2:
The patent implements a counterbalancing mechanism where the pad and arm attachment portion provide support forces that counteract the downward and rotational forces applied to the wrist during tool operation. This creates a balancing effect that reduces net wrist strain.
2Adaptability or versatility
If the handle is fixed in position, then structural simplicity is maintained, but adaptability to different user needs is reduced
Solution Approach 1:
The patent applies dynamics by making the handle position adjustable rather than fixed. The handle can be repositioned along the elongated body to accommodate different user preferences, arm lengths, and gardening tasks, providing adaptability while maintaining reasonable structural simplicity.
Solution Approach 2:
The patent creates a universal tool design where the adjustable handle and interchangeable tool heads allow a single tool to serve multiple functions and accommodate various user needs, replacing the need for multiple specialized tools.
3Adaptability or versatility
If tool heads are permanently attached, then structural simplicity is maintained, but interchangeability and versatility are reduced
Solution Approach 1:
The patent segments the tool into distinct modular components: the elongated body with arm attachment, the handle, and interchangeable tool heads. This segmentation allows tool heads to be easily attached and detached while maintaining overall structural simplicity through standardized connection interfaces.
Solution Approach 2:
The attachment mechanism for tool heads is designed to be dynamically changeable, allowing users to switch between different tool heads based on gardening needs. This dynamic interchangeability is achieved through a simple mechanical interface that balances ease of change with structural integrity.
Data Source
AI summary
A gardening tool includes an elongated body having a first end and a second end. An arm attachment portion is coupled substantially at the first end of the elongated body. The arm attachment portion is configured to at least partly wrap around a user's forearm. The tool also includes a pivotally adjustable handle that is coupled to and extends substantially laterally from the elongated body. The handle is disposed between the first and the second end of the elongated body. The tool further includes a pad that is coupled to the elongated body. The pad is disposed between the handle and the arm attachment portion, and its position is adjustable along a longitudinal axis of the elongated portion. A adapter mechanism is disposed at the second end of the elongated body. The adapter mechanism is configured to allow for interchanging of gardening tool heads.