Spring-Connected Beater Hand Drum for Complex Rhythms
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Solution Overview
Problem
Current percussion instruments lack the ability to produce complex and varying rhythms with ease, as they either rely on rigid motions or fixed rhythms, leading to player fatigue and limited expressive capabilities.
Innovation Solution
A bounce back shaker drum with a lightweight double-headed design, featuring a spring-connected beater that allows for fluid motion and adjustable tension, enabling the production of intricate rhythms with reduced effort, including the ability to play fast notes and rhythms with one hand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional percussion instruments are used, then simple rhythms can be produced, but complex rhythms require excessive player effort and fatigue
Solution Approach 1:
The drum beater automatically returns to its initial position after striking the drum head due to the elastic rebound of the spring, eliminating the need for the player to manually control the return motion. This self-service mechanism allows continuous rhythmic playing with minimal effort, enabling complex rhythms without player fatigue.
Solution Approach 2:
The spring-connected beater creates a dynamic, fluid motion system that adapts to the player's input. The spring tension can be adjusted to control the bounce-back force, allowing the instrument to respond dynamically to varying playing intensities and enable complex rhythmic patterns with ease.
2Stability of the object's composition
If rigid pivoting action is used (as in LP one handed triangle), then structural stability is maintained, but fluid motion and unexpected bonus beats are lost
Solution Approach 1:
The spring acts as a flexible element connecting the beater to the drum shell, replacing rigid pivoting mechanisms. This flexible connection maintains structural stability while enabling fluid, adaptive motion that can produce unexpected bonus beats and varied rhythmic expressions.
3Productivity
If pellet drums with fixed cord length are used, then continuous rapid rhythm is achieved, but rhythm variation is limited
Solution Approach 1:
The spring tension parameter can be adjusted to change the beater's bounce-back characteristics, enabling variation in rhythm patterns. This parameter adjustment capability allows the same instrument to produce different rhythmic effects without changing its basic structure, providing both continuous rapid rhythm and rhythm variation.
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 the creation of complex rhythms with less fatigue, allowing for playing while walking or combining with other instruments, offering adjustable tone and volume through interchangeable heads and springs, providing a more balanced and dynamic musical experience.
Implementation Method 1
a spring having a first end and a second end, the first end removeably affixed to an interior surface of the drum shell and the second end affixed to a beater
Implementation Method 2
a bounce back shaker drum with a lightweight double-headed design, featuring a spring-connected beater that allows for fluid motion
Data Source
AI summary
A lightweight drum shell having two heads for a double-headed drum with a beater connected to an interior wall of the drum shell via a spring, and thus functions to provide a hand held shaker drum capable of producing complicated rhythms, such as varying frequency of beats, speed of beats, or meter especially when two bounce back drums are played together.