Kite Depower System with Rotating Line Sheath
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Solution Overview
Problem
Kite lines tend to twist during tricks and jumps in kiteboarding, making it difficult for riders to maintain control and depower the kite efficiently.
Innovation Solution
A front flying line kite depower system featuring an elongated control bar with a line sheath and manual rotation grip, a front flying line parting fitting with diverging branches, and a rotatable hub that allows manual rotation to untangle the lines, preventing twisting and tangling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rider performs tricks and jumps, then the kite lines become twisted, but the rider loses control and cannot efficiently depower the kite
Solution Approach 1:
The patent introduces a dynamic rotation mechanism that allows the line sheath to rotate relative to the control bar. This dynamic adjustment enables the lines to untwist automatically during tricks and jumps, maintaining control effectiveness without restricting the rider's ability to perform aerial maneuvers. The rotatable hub and corresponding groove geometry facilitate this dynamic line management.
Solution Approach 2:
The line sheath acts as an intermediary component between the control bar and the front flying lines. By introducing this intermediate rotating element, the system decouples the twisting motion of the lines from the control bar, allowing the lines to be untwisted without affecting the rider's control inputs or the structural integrity of the control system.
2Ease of operation
If the kite lines are allowed to rotate freely, then twisting is prevented, but the lines become tangled within the line sheath
Solution Approach 1:
The patent segments the line management function by providing separate rotation paths for the first and second front flying lines through the parting fitting's first and second grooves. This segmentation ensures that each line follows its own controlled trajectory, preventing them from tangling with each other while still allowing the necessary rotation to untwist the lines above the line sheath.
Solution Approach 2:
The patent resolves the tangling issue by introducing a spatial dimension through the three-dimensional geometry of the parting fitting's grooves. The first groove and second groove are positioned at different angles and depths, creating distinct rotational paths that guide the lines through the rotation without allowing them to cross or tangle, effectively using spatial arrangement to prevent line interaction problems.
3Ease of operation
If a manual rotation grip is added to rotate the line sheath, then line twisting is resolved, but the device complexity increases
Solution Approach 1:
The patent merges multiple functions into the parting fitting component: it serves as both the rotation mechanism for untwisting lines and the guiding structure that prevents tangling. The first and second grooves are integrated into a single fitting that attaches to the control bar, combining line separation, rotation guidance, and tangling prevention functions into one unified component, thereby minimizing the increase in overall device complexity.
Data Source
AI summary
A front flying line kite depower system includes a line sheath that extends through a transverse opening in the control bar. A front flying line parting fitting is non-rotatably fixed to an upper end of the line sheath above the control bar. When a manual rotation force is imparted to the line sheath, the relative positioning of a first front flying line and a second front flying line is altered by the front flying line parting fitting to untangle any twisting above the line sheath. Within the line sheath, the second front flying line is off-set from a primary axis and orbits the first front flying line which is positioned on the primary axis to avoid any tangling during manual adjustment.