Hand-held Power Tool Suspension Interface with Adjustable Counter Structure
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Solution Overview
Problem
Existing solutions for suspending hand-held power tools, such as hammer drills and chisel hammers, often rely on elastic materials like ropes or clips that can lead to vibration-induced connection weakening and difficulty in balancing the tool, posing risks and impairing work quality.
Innovation Solution
A device with a first fastening means that engages a tightening strap on the tool and a second fastening means that is movable to adapt to a support structure, combined with a counter structure that forms a stable contact region, allowing for secure and vibration-resistant attachment and optimal balancing of the tool.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If elastic materials like ropes or clips are used to connect the power tool to the support structure, then the connection can be easily established, but the vibrations during operation can resonate and weaken the connection
Solution Approach 1:
The patent replaces elastic material-based connections (ropes, clips) with a rigid mechanical fastening system consisting of a tightening strap, fastening means, and counter structure. This substitution eliminates the resonance and vibration absorption issues inherent in elastic materials while maintaining ease of connection through the mechanical design of the fastening components.
2Ease of manufacture
If ropes or slings are used to suspend the power tool, then the connection is simple to establish, but the power tool cannot be suspended exactly in its center of gravity
Solution Approach 1:
The patent incorporates a movable second fastening means that can be positioned at different locations along the support structure. This dynamic positioning capability allows the user to adjust the suspension point to align with the power tool's center of gravity, thereby improving handling quality while maintaining the simplicity of connection through the mechanical fastening system.
3Reliability
If a rigid mechanical connection is used to attach the power tool to the support structure, then vibration resistance is improved, but the adaptability to different tool configurations is reduced
Solution Approach 1:
The patent designs the mechanical fastening system with universal components: a tightening strap that can accommodate different handle configurations, a movable second fastening means that can adapt to various suspension points, and a counter structure that works with different power tool geometries. This universal design maintains vibration resistance through rigid mechanical connection while enabling adaptability to different tool configurations.
4Ease of operation
If the second fastening means is made movable to adapt to different suspension points, then the balancing of the power tool is improved, but the device complexity increases
Solution Approach 1:
The patent segments the fastening system into distinct functional components: a first fastening means for securing the tightening strap, a movable second fastening means for positioning at different suspension points, and a counter structure for stability. This segmentation allows the movable second fastening means to provide balancing adaptability without requiring complex integration, as each component performs its specific function independently.
Data Source
AI summary
A device for receiving a hand-held power tool is provided. The device can serve as an interface between the hand-held power tool and a support or carrying structure and comprises a first and a second fastening means and a counter structure. With the interface it is possible to optimally adapt the suspension of the hand-held power tool to the center of gravity of the hand-held power tool. In addition, the interface can be adapted to different hand-held power tools or types of hand-held power tools by an adjustable distance between the first fastening means and the counter structure or an adjustable diameter of the counter structure. In further aspects, the invention relates to the use of the interface for fastening a hand-held power tool to a support structure, and to a corresponding method.