Magnetic Height-Measuring Device With Piano Hinges And Embedded Magnets
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Solution Overview
Problem
Conventional height-measuring devices lack portability and ease of use, particularly for measuring children's growth over time, as they are not easily foldable or adaptable for wall mounting and storage.
Innovation Solution
A magnetic height-measuring device with neodymium rare earth magnets allows for folding, wall attachment, and easy transport, featuring a slidable height guide and chart board, embedded magnets for secure wall mounting, and a foldable design with piano hinges for compact storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the height-measuring device is made foldable with piano hinges, then portability and ease of storage are improved, but structural stability and measurement precision may deteriorate
Solution Approach 1:
The device is divided into multiple sections that can be folded relative to each other using piano hinges, allowing the overall structure to be segmented into a compact configuration for storage while maintaining structural integrity during use
Solution Approach 2:
Magnetic elements serve as intermediaries between the folded sections, providing a mechanism that maintains alignment and stability during the folding process while enabling compact storage configuration
2Ease of operation
If magnets are embedded in the height indicating guide, then ease of movement and positioning is improved, but manufacturing complexity increases
Solution Approach 1:
The magnetic elements are integrated directly into the height indicating guide component, merging the magnetic functionality with the guiding structure to enable smooth movement while simplifying the overall assembly process
Solution Approach 2:
The embedded magnets automatically provide the necessary magnetic attraction and guidance forces without requiring additional external mechanisms, allowing the height indicating guide to self-regulate its movement and positioning
3Adaptability or versatility
If the device is designed for wall mounting with magnetic elements, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
The magnetic elements serve multiple functions: they enable wall mounting, facilitate the folding mechanism, and provide guidance for moving parts, making the device multi-functional and reducing the need for separate components
Solution Approach 2:
The magnetic properties of the elements allow for adjustable mounting strength and positioning, enabling the device to adapt to different wall surfaces and mounting requirements without changing the basic structure
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 convenient, safe, and efficient height measurement and recording, with minimal risk of injury from small parts, while allowing for easy storage and transport, and providing a decorative appearance.
Implementation Method 1
The magnets facilitate movable contact between multiple moving parts on the height-measuring device, including: Up and down movement of the height adjusting slider; and In and out movement of the height information chart board
Implementation Method 2
magnets are used for supporting the device on a wall with the need to disassemble the device for transport. Internal magnets within the magnetic height-measuring device provide additional benefits whether the user wishes to hang the device on the wall, fold it away after each time it is used or fold for ease of transport
Data Source
AI summary
A device for measuring the height of an individual subject, which includes an elongated body member having a front surface which visually displays units of measure, i.e., inches, each measuring unit being divided into fractions of the measuring unit which are depicted on the front surface. The body member is attachable to a vertical wall surface above a generally horizontal floor surface by any known means, such as by attaching a pair of steel bars to the wall surface, and attaching, or preferably embedding, a plurality of rare earth magnets to the body member, i.e., about two magnets for each steel bar.A height indicating guide member is releasably and slidably attached to the body member by a metal strip being embedded and hidden from view into a side of the body member, and several rare earth magnets, preferably four, being attached, or preferably embedded into a side surface of the guide member. The slidable guide member has an outwardly extending height indicating member attached thereto. The outwardly extending height indicating member has a height measuring bottom surface which is generally horizontal and parallel to the floor surface, such that the distance between the horizontal surface and the floor surface is visually indicated on the body member. The body member is attached to a wall surface at a vertical position which depicts the distance between the measurement units and the floor.When the individual subject is positioned adjacent the body member and the guide member is slid to a position where the lower horizontal height measuring surface contacts the uppermost surface of the head of the individual subject, the height of the individual subject will be indicated on the body member. A height information chart board is conveniently slidably inserted into a slot of the body member, the chart board having a writing surface for recording the height of an individual subject, I.e., a child as he or she is growing up. The chart board is releasably attached to the body member by a plurality of magnets, preferably rare earth magnets. The body member is preferably comprised of two sections attached by hinges so that it can be folded for storage or transport.