Rotatable Line Tier with Segmented Slots for Blue-Water Fishing

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Solution Overview

Problem

Existing fishing line tying devices are inadequate for securely attaching larger fish hooks in blue-water fishing, as they often result in hook movement, rust issues, and line crimping, making them impractical and unsafe for use in saltwater environments.

Innovation Solution

A line tier device with a rotatable enclosure that accommodates various hook sizes, features a tapered elongated slot for secure hook retention, and includes a saltwater-resistant design with a built-in line cutter, allowing for easy knot formation and secure attachment of fishing lines to hooks without crimping.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the device is scaled up to accommodate larger fish hooks, then the hook retention capability is improved, but the round holes need to be scaled up which limits the range of hook sizes and may cause the barb to protrude posing a puncture risk

Engineering Contradiction:

Improvehook size accommodation rangeVSAvoidpuncture risk from protruding barb

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The tackle retention end is divided into multiple rounded slots of different sizes instead of a single round hole. Each slot is designed to accommodate specific hook sizes, allowing the device to handle a wide range of hook dimensions while preventing barb protrusion through proper slot design and positioning

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The rounded slots act as intermediary structures between the hook and the device body. The slots are designed with appropriate dimensions and shapes to securely hold the hook shank while containing the barb within safe boundaries, thus mediating the interaction between hook and device

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If a spring clip is used for retaining tackle, then the ease of operation is improved, but the spring clip rusts in saltwater environments making it unusable

Engineering Contradiction:

Improvetackle retention mechanism usabilityVSAvoidcorrosion resistance in saltwater

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The spring clip component is completely removed from the design. Instead, the invention uses a passive retention mechanism where the enclosure geometry itself, particularly the rounded slots and enclosure configuration, naturally retains the tackle without requiring active spring-based clamping

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The design uses simple, non-corrosive structural elements (enclosure walls, rounded slots) rather than complex metal spring components that are prone to corrosion. The solution accepts simpler, less sophisticated retention mechanics that are inherently more reliable in corrosive environments

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Productivity

If two lines are tied together using the device, then the productivity is improved, but line crimping occurs during tying which weakens and causes failure of the line

Engineering Contradiction:

Improveline tying efficiencyVSAvoidline strength after tying

Core Design Contradiction:

ProductivityVSStrength

Solution Approach 1:

The crimping action is completely eliminated from the tying process. The device allows lines to be tied without any compressive or crimping forces being applied to the line material, preserving line integrity while maintaining efficient knot formation

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of using compression or clamping forces to secure and tie lines (which causes crimping), the device uses a different approach where lines are positioned and secured through the geometry of the rounded slots and enclosure configuration, applying no harmful forces to the line

Inventive Principle:

Principle #13The other way round (Inversion)

4Reliability

If the enclosure is made secure to prevent hook movement, then the reliability is improved, but the device complexity increases

Engineering Contradiction:

Improvehook position stabilityVSAvoidenclosure structure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The enclosure has different geometric features at different locations: rounded slots of specific sizes at the tackle retention end for secure hook positioning, and an open configuration at the opposite end for line insertion. This localized differentiation provides secure retention without requiring complex mechanisms throughout the entire device

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS10206383B2Line tier

Publication Date: 2019.02.19 UNA BRANDS SPV 7 PTE LTD

AI summary

A line tier for a fishing tackle item that makes line tying easier and safer has an enclosure with a tackle retention end and a second end, a rotatable member extending from the second end permitting rotation of the enclosure about the rotatable member. The enclosure is openable so that in the open configuration a tackle item can be inserted such that a portion of the tackle item protrudes from the enclosure. In the closed configuration, the tackle item is held securely with a portion of the tackle item protruding from an elongated slot formed in the tackle retention end of the enclosure. A plurality of fishing lines can be held securely in the enclosure with a portion of each fishing line protruding from the enclosure on the tackle retention end and the second end of the enclosure.