Tuning Fork Handle with Annular Gap Reduces Damping
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Solution Overview
Problem
Existing vibrational therapy devices, such as tuning forks, suffer from damping issues due to the user's grip on the handle, which reduces the effectiveness of the therapy.
Innovation Solution
The design includes an improved handle with a longitudinal bore that allows the shaft of the tuning fork to be positioned farthest from the tines, creating an annular gap that minimizes the damping effect of the handle on the vibrations. Additionally, a boot with a bumpy, convex surface is attached to the tuning fork to enhance vibrational transmission to the patient's skin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the shaft is positioned close to the tines in the handle, then the structure is more compact, but the damping effect increases and ring time decreases
Solution Approach 1:
The shaft is nested within the longitudinal bore of the handle, with the bore sized to provide an annular gap between the handle and shaft. This nesting arrangement allows the shaft to be positioned farthest from the tines while maintaining a compact overall structure, reducing damping and increasing ring time by 200%
2Ease of manufacture
If a smooth surface is used on the boot, then the surface is easier to manufacture, but vibrational transmission effectiveness is reduced
Solution Approach 1:
The boot surface features localized bumps distributed across the contact area, while the overall spherical contour remains simple. This local quality modification enhances vibrational transmission and skin contact effectiveness without significantly complicating the manufacturing process
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
This design reduces damping by 200% compared to traditional handles, allowing for more effective vibrational therapy, including increased muscle tone, reduced muscle tension, and enhanced healing.
Implementation Method 1
The tuning fork has tines connected to a shaft. The handle can have a longitudinal bore for receiving the shaft. The shaft can be positioned into the bore and connected to the handle at a longitudinal position farthest from the tines.
Implementation Method 2
a head or 'boot' attached to, or formed with, the end of the generator and having a bumpy surface. The bumpy surface is sized and shaped to contact a patient to transmit vibrations to the patient for therapeutic benefits during treatment.
Data Source
AI summary
An improved handle for a tuning fork having tines connected to a shaft. The handle can have a longitudinal length sufficient to accommodate a user's hand. The handle can have a longitudinal bore for receiving the shaft. The shaft can be positioned into the bore and connected to the handle at a longitudinal position farthest from the tines. The bore can be sized to provide an annular gap between the handle and the shaft along most of the length of the handle. The handle can be formed with or attached to a head or “boot” having a bumpy surface. The bumpy surface is sized and shaped to contact a patient to transmit vibrations to the patient for therapeutic benefits during treatment.