Bass Drum Pedal Spring Nesting and Trigger Extraction
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Solution Overview
Problem
Conventional bass drum pedals face issues with spring detachment, vulnerability to external shocks, and the inability to convert to double pedals, as well as ghost triggers due to sensitive trigger placement on the drum skin.
Innovation Solution
A bass drum pedal design featuring a transmission unit with a compression spring housed within a mechanical structure, allowing for adjustable spring tension, enhanced durability, and easy conversion to double pedals, along with a trigger device positioned on the support column for precise synchronization and reduced ghost triggers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the spring is positioned outside the support column, then the spring tensioning mechanism is simple and accessible, but the spring is vulnerable to external shocks and may detach during playing
Solution Approach 1:
The spring is positioned inside the support column structure, nesting the spring within the housing. This protects the spring from external shocks and prevents detachment while maintaining tensioning functionality through the housing's opening for adjustment.
2Device complexity
If the spring is positioned outside the support column, then the structure is simple, but the device cannot be converted to double pedal configuration
Solution Approach 1:
The support column housing is designed with a universal structure that can accommodate either a single spring mechanism or dual spring mechanisms for double pedal conversion. The housing's internal geometry and mounting points are configured to support multiple pedal configurations without requiring fundamental structural changes.
3Measurement precision
If the trigger is placed on the drum skin, then the trigger can detect the drum blow, but ghost triggers occur due to sensitivity to vibrations and peripheral equipment
Solution Approach 1:
The trigger device is extracted from the drum skin surface and repositioned on the support column. This separates the trigger from the vibration source (drum skin and peripheral equipment), eliminating ghost triggers while maintaining accurate detection of the actual drum blow through the support column's transmission of the impact force.
4Ease of operation
If the spring is exposed on the outside of the support column, then the spring tensioning is adjustable, but the spring is vulnerable to external shocks
Solution Approach 1:
The spring is nested within the support column housing, which shields it from external shocks and environmental factors. The housing includes a controlled opening that allows for tension adjustment while keeping the spring protected during normal operation.
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 solution provides a robust, compact, and adjustable bass drum pedal that minimizes spring detachment and external shock vulnerability, enables easy double pedal conversion, and improves trigger accuracy by housing the spring and positioning the trigger device for precise synchronization.
Implementation Method 1
a compression spring located within the housing arranged to actuate the pivotable support body so that it strives to turn into a position corresponding to said neutral position
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
The present invention relates to a device for a bass drum, comprising a foot pedal which at one rear end comprises a pivot point and which at a second front end is linked to a drum beater via a transmission unit wherein the transmission unit comprises a return mechanism arranged to automatically bring the drum beater and foot pedal toward a predetermined neutral position when the foot pedal is not loaded.