Fishing Reel Spool Inversion for Rapid Line Payout
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Solution Overview
Problem
Conventional fishing line reels for bow fishing often require conscious release of a line guide, which can lead to arrow recoil, line breakage, or reel damage if forgotten, and they present rotational inertia that interferes with rapid line payout.
Innovation Solution
A fishing line reel with a trigger lever that defaults to a line release state and includes a dual-action mechanism allowing smooth, high-speed payout by rotating the line spool and retracting the line guide, featuring a friction clutch for variable resistance and a dog clutch for locking, ensuring rapid and controlled line release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional reels rotate to wind or unwind line, then line can be stored and retrieved, but rotational inertia interferes with free flight of the arrow and slows line payout
Solution Approach 1:
Instead of rotating the reel body to payout line, the patent inverts the mechanism by allowing the spool to rotate independently while the reel housing remains stationary. The line guides are retracted to allow free line flow, and the spool rotation is controlled by a ratchet mechanism that prevents reverse rotation during arrow flight, thereby eliminating rotational inertia interference while maintaining line payout capability.
Solution Approach 2:
The reel is segmented into independent functional components: a stationary housing, a rotatable spool, and movable line guides. This segmentation allows the spool to rotate independently for line payout while the housing remains fixed, reducing overall rotational inertia. The line guides can be independently retracted to facilitate rapid line release without requiring the entire reel to rotate.
2Reliability
If conventional reels require conscious release of line guide, then line can be controlled during winding, but forgetting to release causes arrow recoil, line breakage, or reel damage
Solution Approach 1:
The reel employs a spring-biased line guide system that automatically returns to the retracted (release) position after use. The user simply needs to press the line guide forward to engage it for winding; afterward, the spring automatically retracts it to the release position, eliminating the need for conscious release and preventing accidental arrow recoil or line breakage.
Solution Approach 2:
The spring mechanism is pre-loaded to automatically retract the line guide to the release position after winding is complete. This preliminary action ensures that the line guide is in the correct release state before arrow flight, preventing harmful effects without requiring user intervention at the critical moment.
3Ease of operation
If spin casting reels have axis parallel to line payout direction, then line can slip off edge without reel rotation, but requires manual bail arm release and folding before shooting
Solution Approach 1:
The patent extracts and eliminates the complex bail arm mechanism from the spin casting reel design. Instead, it uses a simpler spool-based system where the line is wound on a spool that can rotate independently. The line guides are retracted to allow free line flow, and a ratchet mechanism prevents reverse rotation, achieving rapid line payout without the need for manual bail arm release or folding.
4Speed
If reel provides rapid line payout, then arrow can fly freely, but line may tangle or foul during high-speed payout
Solution Approach 1:
Instead of allowing the entire reel to rotate during line payout, the patent inverts the mechanism by keeping the housing stationary and allowing only the spool to rotate. This reduces the radius of line unwinding and minimizes line twisting. Additionally, the line guides are retracted to allow smooth line flow, and the ratchet mechanism prevents reverse rotation that could cause tangling.
Solution Approach 2:
The line guides act as intermediaries between the spool and the line during payout. When retracted, they provide a smooth path for the line to flow off the spool without catching or tangling. The ratchet mechanism serves as an intermediary that allows forward rotation for payout while preventing reverse rotation that could cause line fouling.
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 reel reduces the risk of arrow recoil and line fouling by automatically defaulting to a release position and allowing high-speed payout with minimal resistance, ensuring smooth operation and preventing tangling.
Implementation Method 1
a bias spring biases the lever mechanism to move the line guide to the released position
Implementation Method 2
featuring a friction clutch for variable resistance
Data Source
AI summary
A reel for fishing line or the like provides for extremely rapid payout by releasing the line to unwind by sliding rapidly around a guide surrounding the line spool and by rotation of the line spool itself. A lever controls a line guide preventing sliding of the fishing line around the guide and providing controllable friction and locking of rotation of the line spool only when actuated by the user to permit retraction of the line or controlled tensioning of the line.