Magnetic Folding Rule Section for Metal Structure Alignment
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Solution Overview
Problem
Folding rules used in carpentry and construction face difficulties in making measurements, especially at elevated positions, due to the challenge of securely attaching and aligning the tool on metal structures and flexible materials, which complicates marking and cutting operations.
Innovation Solution
A folding-rule section with strategically positioned magnets, allowing for stable attachment and easier placement and removal, combined with a flexible design that enables use as a lever, and an accessory that enhances support and alignment, such as a base portion with a magnetizable material and a hook or spirit level.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a magnet is positioned at the end of the folding rule to enable secure attachment to metal structures, then attachment strength is improved, but the magnet attaches before alignment is complete, making repositioning difficult
Solution Approach 1:
The magnet is positioned at a specific location away from the end of the folding rule section, creating a localized magnetic field zone that provides secure attachment while maintaining operational flexibility. This spatial differentiation allows the end portion to remain free for alignment operations while the magnet provides attachment force at its specific location.
2Reliability
If a strong magnet is used to securely attach the folding rule to metal structures, then attachment reliability is improved, but the magnet interferes with proper alignment during placement
Solution Approach 1:
By positioning the magnet away from the end of the folding rule section, the magnetic force is concentrated at a specific location rather than at the alignment-critical end area. This allows strong magnets to be used for reliable attachment without the magnetic field interfering with the alignment process during placement.
3Ease of operation
If the folding rule is made flexible to enable lever use during repositioning, then ease of operation is improved, but structural stability during measurement is reduced
Solution Approach 1:
The folding rule incorporates flexible joints that allow dynamic adaptation of rigidity based on operational needs. During repositioning, the flexible sections enable lever action and easy maneuvering. During measurement operations, the same flexible sections can be locked or positioned to provide structural stability, allowing the rule to transition between soft and rigid states as required.
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
Enables easier and more precise measurements on metal structures by providing stable attachment and improved handling, allowing for stronger magnets to be used without pre-attachment issues, and facilitating accurate marking and cutting operations.
Implementation Method 1
a first magnet embedded in, or attached to, the section body and located between the first end and the second end
Data Source
Figure 1a~1b
Figure 2a~5b
Figure 6a~7f
AI summary
The proposed technology relates to a folding-rule section (14) for a folding rule (10). The folding-rule section (14) comprises: an elongated section body (92) having a first end (24) and a second end (26), and a first magnet (36) embedded in the section body (92) and located between the first end (24) and the second end (26). The proposed technology further relates to accessories (40) for such a folding-rule section (14), and a folding rule (10) having such a folding-rule section (14).