Magnetic Threaded Attachment for Vibration-Resistant Treatment Members
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Solution Overview
Problem
Therapeutic treatment or massage devices face complications in changing components due to complex mechanisms and loose fittings caused by device vibrations.
Innovation Solution
A treatment assembly and attachment system that secures a treatment member to a shaft using a female attachment member with a shaft recess and a male attachment member, featuring detents and spring-biased balls to ensure secure engagement and prevent separation during use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic attachment system is used, then the treatment member is securely held during vibration, but the attachment mechanism becomes more complex
Solution Approach 1:
The patent combines multiple attachment mechanisms (magnetic attraction, threading, and snap-fit) into a single integrated attachment system. The female attachment member includes both a magnet for initial alignment and holding, and threaded portions for mechanical interlocking, thereby achieving secure attachment during vibration while maintaining reasonable complexity through functional integration.
2Reliability
If a secure attachment mechanism is used, then components remain stable during vibration, but the attachment and detachment process becomes more difficult
Solution Approach 1:
The attachment system is segmented into distinct functional zones: a magnet section for initial attraction and alignment, a threaded section for mechanical interlocking, and a snap-fit section for final securing. This segmentation allows each zone to perform its specific function optimally while enabling relatively easy attachment and detachment through a standardized sequence of operations.
3Reliability
If threading is added to secure the treatment member, then the attachment becomes more reliable, but the device complexity increases
Solution Approach 1:
The female attachment member is designed as a universal component that performs multiple functions: it provides magnetic attraction for initial alignment, contains threaded portions for mechanical interlocking, and includes snap-fit features for final securing. This multi-functionality reduces the need for separate components, thereby increasing reliability while controlling overall complexity through a single integrated attachment member.
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 system effectively secures treatment members to the shaft, preventing loose fittings and simplifying component changes, ensuring reliable operation and user safety during massage or therapeutic treatments.
Implementation Method 1
a magnet is disposed within the attachment recess, whereby when the shaft is received in the attachment recess a distal end of the shaft is magnetically attracted to the magnet
Implementation Method 2
the female attachment member is internally threaded, and wherein the female attachment member is configured to mate with external threads of the shaft
Data Source
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AI summary
A treatment assembly for securing a treatment member to a shaft. The attachment system comprises the treatment member, wherein the treatment member defines a longitudinal axis and has a distal end and a proximal end, wherein the proximal end includes an attachment recess defined therein. A magnet is disposed within the attachment recess, whereby when the shaft is received in the attachment recess a distal end of the shaft is magnetically attracted to the magnet.