Adjustable Bass Drum Pedal Compression Mechanism
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Solution Overview
Problem
Existing drumming apparatuses lack an efficient mechanism for adjusting the force and speed of the beater relative to the user's pressure on the foot pedal, limiting customization and adaptability to different playing styles and drum setups.
Innovation Solution
An adjustable drum compression mechanism featuring a shaft with helical threads that connects a piston to a compression housing, allowing for adjustment of the spring's compression and thus the force biasing the foot pedal, enabling users to modify the force and speed of the beater's impact by rotating the shaft relative to the piston, which can be retrofitted to most foot pedals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed spring mechanism is used in the foot pedal, then the structure is simple, but the force and speed of the beater cannot be adjusted for different playing styles
Solution Approach 1:
The patent applies the dynamics principle by making the spring compression mechanism adjustable rather than fixed. The user can modify the compression level of the spring through a threaded adjustment mechanism, allowing the beater's force and speed to be dynamically changed according to different playing styles and drum setups, transforming a static system into an adaptable one.
Solution Approach 2:
The patent implements parameter changes by allowing users to adjust physical parameters of the spring mechanism (compression level, preload force) through rotational adjustment of the threaded shaft. This changes the mechanical properties of the system, enabling customization of beater characteristics without replacing entire components.
2Adaptability or versatility
If a threaded shaft adjustment mechanism is added, then force and speed customization is enabled, but the device complexity increases
Solution Approach 1:
The threaded shaft serves multiple functions simultaneously: it adjusts the spring compression, sets the preload force, and determines the beater's release characteristics. This multi-functionality reduces the need for separate adjustment mechanisms for each parameter, achieving customization capability while limiting the increase in overall device complexity.
3Adaptability or versatility
If the spring compression is made adjustable, then playing versatility is enhanced, but the structural complexity of the pedal increases
Solution Approach 1:
The adjustment mechanism is nested within the existing foot pedal structure. The threaded shaft and adjustment components are integrated into the housing, with the spring positioned within the compression chamber. This nesting approach allows the adjustable compression mechanism to be incorporated without significantly increasing the external dimensions or overall structural complexity of the pedal.
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 solution allows for customizable force and speed adjustments, enhancing playing versatility and compatibility with various drum setups, while also simplifying maintenance and replacement of spring components.
Implementation Method 1
a compression member compressed between the piston and the compression housing when the foot pedal is actuated
Implementation Method 2
the adjustment assembly comprises a spring which allows the user to adjust the force of the beater shaft
Implementation Method 3
an elastomer compressed between the piston and the compression member housing when the foot pedal is actuated
Data Source
AI summary
Disclosed herein is a drum mechanism comprising in one example: a first end configured to be attached to a foot pedal axle shaft; a second end configured to be attached to a foot pedal stationary frame; the foot pedal stationary frame configured to be positioned adjacent a drumhead such that rotation of a drum beater attached to the foot pedal will impact the drumhead when swung about a pivot of the foot pedal; the drum compression spring mechanism configured to bias the drum beater away from the drumhead; a shaft extending from the pedal axle shaft to a piston adjustably connected to the shaft; and a resilient member positioned between the piston and the spring housing when the foot pedal is actuated.