Snare Drum Practice Pad With Direct Impact Transmission
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Solution Overview
Problem
Existing snare drum practice pads struggle to produce a sound resembling a snare wire when struck gently, due to impact absorption by the pad body, and fail to replicate the striking feel of an acoustic drum while ensuring quietness.
Innovation Solution
A snare drum practice pad design featuring a pad body without absorption between the batter surface member and the dummy snare wire member, using a disc-shaped first rigid member and pellets arranged to produce a snare wire sound, along with a hoop and rim members for enhanced striking feel and quietness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the pad body is placed between the batter surface sheet and the dummy snare wire member to absorb impact, then the striking impact is reduced, but the dummy snare wire member cannot be activated when struck gently
Solution Approach 1:
The pad body is extracted from the impact transmission path between the batter surface sheet and the dummy snare wire member. By removing the pad body from this critical position, the impact force can directly activate the dummy snare wire member even during gentle strikes, while the pad body remains in the structure to provide overall support and noise reduction.
Solution Approach 2:
A direct impact transmission path is created between the batter surface sheet and the dummy snare wire member, bypassing the pad body's impact absorption. This intermediary configuration allows gentle strikes to still activate the snare wire mechanism while maintaining the pad body's function for noise control and structural support.
2Force
If a sheet of hard rubber is used for the batter surface sheet to limit impact absorption, then the striking impact reaches the dummy snare wire member, but the striking feeling of an acoustic drum cannot be provided
Solution Approach 1:
The batter surface sheet uses soft rubber material specifically at the striking surface to provide the authentic drum feel and absorption characteristics, while the underlying structure and dummy snare wire mechanism maintain hard, rigid components to ensure impact transmission. This local differentiation of material properties allows both soft feel and hard impact transmission.
Solution Approach 2:
The practice pad combines soft rubber material for the batter surface with hard plastic or metal components for the dummy snare wire mechanism and structural elements. This composite construction allows the surface to provide authentic drum feel while the internal mechanism maintains effective impact transmission for snare wire activation.
3Object-generated harmful factors
If the pad body absorbs striking impact to ensure quietness, then low volume snare wire sound cannot be produced when struck gently
Solution Approach 1:
The pad body is removed from the direct impact path between the batter surface and dummy snare wire, allowing gentle strikes to activate the snare mechanism. The pad body remains in the overall structure to provide noise reduction for non-snap sounds, creating a differentiated noise control approach.
Solution Approach 2:
A direct mechanical coupling is established between the batter surface sheet and the dummy snare wire member, serving as an intermediary transmission path that bypasses the pad body's impact absorption. This allows gentle strikes to produce snare wire sounds while the pad body continues to dampen other noises.
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 design allows for consistent reproduction of snare wire sounds across varying striking strengths and provides a striking feel similar to an acoustic drum, ensuring quiet operation and adjustable tension for improved user experience.
Implementation Method 1
When the batter surface member is struck, the impact force causes the first rigid member and second rigid member to repetitively move in and out of contact, producing a sound resembling that of a snare wire
Implementation Method 2
The batter surface member is configured to provide a striking feeling similar to that of an acoustic drum
Data Source
AI summary
A snare pad includes a pad body, a batter surface member, and a dummy snare wire member. The batter surface member is coupled to the pad body. The dummy snare wire member is arranged in the pad body. The dummy snare wire member includes a plate-shaped first rigid member and a second rigid member that is arranged in a manner allowing for contact with the first rigid member. The batter surface member is coupled to the pad body without the pad body being located between the batter surface member and the dummy snare wire member.