Base Extension Assembly for Radiused Corner Measurement
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Solution Overview
Problem
Existing extension devices for combination squares lack the ability to accurately measure angles on radiused corners due to their inability to extend beyond the corner radius, resulting in reduced measurement accuracy.
Innovation Solution
A base extension device with a blade slot and channel design that integrates with a combination square, allowing it to extend beyond the corner radius for enhanced accuracy, featuring a pair of plates for secure attachment to the anvil, ensuring the combination square can be positioned perpendicularly on radiused corners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a traditional combination square is used, then the device structure remains simple, but the measurement accuracy on radiused corners is reduced because the anvil cannot extend beyond the corner radius
Solution Approach 1:
The combination square is divided into separate components: a base with blade slot and channel, an anvil, a blade, and attachment plates. This segmentation allows the base to extend beyond the anvil while maintaining individual functionality of each component, resolving the contradiction between extended measurement capability and structural simplicity
Solution Approach 2:
The anvil is positioned within the channel of the base, and the blade is inserted into the blade slot of the base. This nesting arrangement allows the base to extend beyond the anvil's width while keeping the components compact when assembled, enabling extended measurement capability without proportionally increasing overall device complexity
2Measurement precision
If the base width is increased to extend beyond corner radius, then measurement accuracy on radiused corners is enhanced, but the device complexity increases due to additional plates and channel structure
Solution Approach 1:
The channel is integrated directly into the base structure rather than being a separate component, and the attachment plates work together as a pair to secure the anvil. This merging reduces the number of separate parts while achieving the function of extending the base width to enable accurate measurement on radiused corners
Solution Approach 2:
The base is designed with a channel only in the specific location where the anvil needs to be positioned, and the width extension is provided only where needed for radiused corner measurement. This localized design approach minimizes unnecessary structural complexity while achieving the required measurement capability
3Stability of the object's composition
If attachment plates are added to secure the anvil, then the positioning stability is improved, but the ease of operation is reduced due to additional assembly steps
Solution Approach 1:
The attachment plates are designed to be positioned on the base and secure the anvil through the channel structure itself, which provides alignment and retention features. The channel geometry guides the anvil into proper position, reducing the need for complex alignment procedures during assembly
Data Source
AI summary
A base extension assembly for measuring angles on a radiused corner includes a base that has a blade slot extending therein to insertably receive a blade of a combination square. The base has a channel is integrated therein to receive an anvil of the combination square. The base has a width that is greater than the width of the anvil such that the base extends beyond a radius of a corner is measured with the combination square thereby enhancing accuracy of the combination square. A pair of plates is each of the plates is positionable on the base to retain the anvil of the combination square in the channel.