Adjustable Bark Punch Tool Head for Top Shoot Growth Control
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Solution Overview
Problem
Current methods for regulating top shoot growth in Christmas tree spruce trees, such as using a two-bladed tool or growth inhibitors, are either environmentally unfriendly or risk damaging the trees, limiting their adoption and affecting their marketability.
Innovation Solution
A tool head with interchangeable punches and adjustable features, including a channel for waste bark removal, nosing for optimal cut depth, and a stem adjuster for perpendicular cutting, which reduces the risk of damaging the tree while allowing for precise bark removal to control top shoot growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a two-bladed tool is used to apply incisions to the top shoot growth, then the transportation of nutrition to the top shoot growth is prevented, but the risk of crushing the top shoot growth becomes too large
Solution Approach 1:
The tool divides the bark removal function into multiple discrete punching elements arranged in a specific pattern. Instead of using continuous blades that risk crushing, the invention uses separate punch elements that create controlled incisions without excessive pressure concentration, thereby preventing crushing while maintaining effectiveness.
Solution Approach 2:
The patent introduces an intermediary mechanism - a rotating drum with punches - that mediates between the user's applying force and the tree bark. This intermediary distributes the force through multiple punches rather than concentrating it on blade edges, reducing the risk of crushing while achieving the desired bark removal for growth regulation.
2Reliability
If growth inhibitor is applied to regulate top shoot growth, then the top shoot growth is regulated, but the solution is not environment friendly
Solution Approach 1:
The invention replaces the chemical growth inhibitor system with a mechanical bark removal system. Instead of applying chemical substances that harm the environment, the tool uses mechanical punches to create controlled incisions in the bark, achieving the same growth regulation effect through physical means that are environmentally benign.
3Adaptability or versatility
If the punch distance is made adjustable, then the tool head can adapt to different stem diameters, but the device complexity increases
Solution Approach 1:
The tool head employs a dynamic adjustment mechanism where the punch distance can be modified based on the specific stem diameter being treated. This dynamic adaptability allows the same tool to effectively handle various tree sizes and growth stages without requiring multiple specialized tools, balancing versatility with manageable complexity through a systematic adjustment approach.
Data Source
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AI summary
A tool head (10) for regulating top shoot growth (92) of a tree (90) by cutting bark, the tool head (10) comprises a first and a second jaw part (20A, 20B) and a first and a second punch (30A, 30B), the first and second jaw parts (20A, 20B) are interconnected and are at a first and second distal end (24A, 24B) connected to the respective first and the second punch (30A, 30B), each punch (30A, 30B) comprises a cut end (32A, 32B) in communication with a disposal end (36A, 36B) via a channel (38A, 38B), the jaw parts (20A, 20B) are pivotal such that a punch distance (60) between the punches (30A, 30B) is changeable.