Neckdive Strap Leg Anchor for Guitar Balance
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Solution Overview
Problem
Guitars and basses with heavy necks become unbalanced when the player releases their hands, causing the neck to 'drop' or 'dive' due to the instrument's design, with previous solutions focusing on the neck rather than the opposite end.
Innovation Solution
The Neckdive Strap utilizes the player's leg as an anchor point, attaching to the instrument's shoulder strap end pin to prevent the opposite end from rising, thereby stabilizing the instrument and preventing neck-dive by using a leg-encircling strap with quick-release and adjustable buckles and a leather strap end.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the neck of the instrument is made heavier with a larger headstock and tuners, then the instrument has better tuning stability and structural integrity, but the instrument becomes unbalanced and the neck drops when the player releases their hands
Solution Approach 1:
The patent applies the counterweight principle by using the player's leg as an anchor point to create a balancing force. The strap system connects the end pin (opposite the heavy neck) to the player's leg, using the leg's weight and position as a counterbalancing element to offset the neck's tendency to drop, thereby resolving the imbalance caused by the heavy headstock and tuners.
Solution Approach 2:
Instead of trying to prevent the neck from dropping by modifying the neck itself (adding more weight or structural support), the patent inverts the approach by focusing on the opposite end of the instrument. By attaching a strap to the end pin and anchoring it to the player's leg, the solution addresses the balance problem from the opposite end, preventing the neck-dive phenomenon through a反向 approach.
2Stability of the object's composition
If a strap is attached to the end pin to prevent the neck from dropping, then the instrument balance is improved, but the player loses freedom of movement
Solution Approach 1:
The patent applies dynamics by making the strap system adjustable and movable rather than fixed. The strap includes an adjustable buckle that allows the player to modify the strap length and anchoring position, enabling the system to adapt to different playing positions and movements. This dynamic adjustment capability maintains instrument balance while preserving the player's freedom of movement.
3Stability of the object's composition
If a fixed strap system is used to anchor the instrument, then the neck-dive problem is solved, but the player cannot adjust the instrument position or play in different positions
Solution Approach 1:
The adjustable buckle mechanism allows the strap system to transition between different configurations, enabling the player to adjust the instrument's position and playing angle while maintaining neck stability. The dynamic adjustability ensures both neck-dive prevention and playing versatility.
Solution Approach 2:
The strap system is divided into adjustable segments with buckles that allow independent adjustment of strap length and anchoring position. This segmentation enables the player to customize the strap configuration for different playing positions while maintaining the stabilizing function, thus preserving both neck stability and position flexibility.
Data Source
AI summary
A leg strap, that connects a guitar or bass player's upper thigh to the shoulder-strap end pin, located on the body of a guitar or bass, for the purpose of supporting the instrument in a stationary playing position, eliminating an adverse condition known as “neck-dive”, which is the tendency in unbalanced and neck-heavy instruments for the neck-portion of the instrument to drop in a downward direction when both hands are taken off the instrument.