Oscillating Blade Arbor Interface for Universal Torque Transfer
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Solution Overview
Problem
Existing oscillating blades are often manufacturer-specific and lack efficient torque transfer due to incompatible anchor and arbor designs, limiting their adaptability to various oscillating power tools.
Innovation Solution
An oscillating blade with a universal tool arbor engagement portion featuring a side wall, cap wall, and lock points that define an arbor opening, allowing for adaptable attachment to different tool designs and efficient torque transfer through a combination of central arbor holes, radial apertures, and snap-fit lock points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If manufacturer-specific anchor designs are used to match particular tool arbor shapes, then torque transfer efficiency is improved, but adaptability to various oscillating power tools deteriorates
Solution Approach 1:
The blade anchor portion is designed with a universal configuration that can accommodate multiple arbor shapes and orientations. The anchor includes a central arbor hole for axial insertion and a rearwardly open arbor slot for alternative attachment methods, enabling the same blade to work with different tool manufacturers' arbor designs while maintaining effective torque transfer
Solution Approach 2:
The anchor portion is divided into distinct functional elements: a central arbor hole for one type of attachment and a rearwardly open arbor slot for another type. This segmentation allows the blade to interface with different arbor configurations through different portions of the anchor, resolving the conflict between specialization and universality
2Reliability
If dedicated anchor designs are used for specific tool manufacturers, then reliability of attachment is improved, but ease of operation deteriorates due to inability to use blades across different tools
Solution Approach 1:
The dual-configuration anchor design (central hole plus rearwardly open slot) enables the blade to be reliably attached to different tool types using the appropriate configuration for each tool, while also making the blade easier to operate across multiple tools without requiring different blades for different tools
Data Source
AI summary
An oscillating blade for attachment to and use with an oscillating power tool, and the blade includes, an anchor with a tool arbor engagement portion defined by a side wall and a cap wall, and a locking point joined to the tool arbor engagement portion for engaging a corresponding lug on a power tool.