Side Handle Assembly Vibration Damping Power Tool
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing side handle assemblies for power tools do not effectively attenuate vibrations, which can lead to operator discomfort and reduced control during use.
Innovation Solution
A side handle assembly with a clamp coaxially aligned with the power tool's working axis, featuring a handle with a base, two grip portions, and a damping element, such as compression springs or integrally formed ribs, to absorb vibrations and allow flexible grip positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a side handle assembly is clamped to the power tool neck, then the operator can exert leverage and improve control, but vibrations from the power tool are transmitted to the operator causing discomfort
Solution Approach 1:
A damping element is introduced as an intermediary component between the clamp and the handle grip portions. This damping element absorbs and attenuates vibrations from the power tool before they reach the operator's hand, while still allowing the clamp to securely attach to the tool neck and transmit leverage forces.
Solution Approach 2:
The damping element is pre-installed in the handle structure to provide vibration attenuation before the operator grasps the tool. This proactive cushioning approach prevents vibration transmission to the operator's hand, improving comfort while maintaining control capability.
2Stability of the object's composition
If the handle structure is made rigid for stability, then leverage is improved, but vibration transmission to the operator increases
Solution Approach 1:
The handle structure employs different structural properties in different regions: the base and clamp portions are rigid to provide stable attachment and leverage, while the grip portions incorporate damping elements to locally absorb vibrations. This localized differentiation allows the handle to simultaneously achieve stability and vibration reduction.
Solution Approach 2:
The handle assembly combines rigid structural components (base, clamp) with vibration-damping materials (damping element between grip portions). This composite construction allows the handle to maintain structural integrity and stability while the damping material absorbs vibrations, preventing their transmission to the operator.
3Ease of operation
If the clamp is positioned away from the tool axis for ergonomic gripping, then operator comfort is improved, but the mechanical alignment and leverage efficiency are reduced
Solution Approach 1:
The damping element serves as a mediator that decouples the mechanical connection between the clamp and the grip portions. This allows the clamp to be positioned for optimal leverage and alignment with the tool axis, while the grip portions can be positioned ergonomically for comfortable hand placement, without compromising the force transmission path.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides improved operator comfort and control by effectively attenuating vibrations, allowing for better leverage and stabilization during power tool operations.
Implementation Method 1
a damping element located between the first grip portion and the second grip portion to attenuate vibration from the power tool along the working axis
Data Source
AI summary
The present disclosure provides a side handle assembly for a power tool. The side handle assembly includes a clamp configured to secure the side handle assembly to the power tool, the clamp coaxially aligned with a working axis of the power tool, and a handle coupled to the clamp. The handle includes a base coupled to the clamp, a first grip portion coupled to the base, a second grip portion coupled to the base and movable relative to the first grip portion in a direction parallel to the working axis, and a damping element located between the first grip portion and the second grip portion to attenuate vibration from the power tool along the working axis.