Carabiner-Like Hook Keeper for Snag-Resistant Rod Storage

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Solution Overview

Problem

Existing fishing devices lack a compact, efficient, and aesthetically pleasing solution for hook storage and knot tying that minimizes snags and reduces manufacturing costs.

Innovation Solution

A carabiner-like hook keeper with a resilient lever arm and single-band attachment system, featuring a knot-assist hole and angled guide groove, that securely mounts to fishing rods, allowing for various hook configurations and easy knot tying without exposing the hook.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple attachment bands are used to securely mount the fishing device to rods of various diameters, then the adaptability and security of mounting is improved, but the device complexity and manufacturing cost increase

Engineering Contradiction:
Improvemounting adaptabilityVSAvoidattachment system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The single attachment band is designed with elastic properties and specific geometric dimensions to universally accommodate rod diameters within a range (e.g., 0.5-1.5 inches). The band serves multiple functions: securing the device to the rod, compensating for diameter variations through elastic deformation, and providing adjustable positioning. This eliminates the need for multiple sized bands while maintaining adaptability across different rod types.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The attachment band utilizes elastic deformation as a key parameter change mechanism. When mounted on rods of different diameters, the band stretches or compresses within its elastic limit to conform to the specific rod size. This dynamic parameter adjustment allows a single band design to replace multiple fixed-size bands, reducing complexity while preserving mounting versatility.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If the hook is exposed for easy access, then the ease of operation is improved, but the hook is more prone to snags and accidental damage

Engineering Contradiction:
Improvehook accessVSAvoidsnags
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The hook is stored within the hollow interior cavity of the device body when not in use, nested inside the protective housing. This nesting configuration shields the hook from external objects that could cause snags or damage. When needed, the hook can be quickly accessed by opening the carabiner gate or lever mechanism, providing both protection and ease of operation.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The carabiner gate or lever arm acts as an intermediary mechanism between the user and the hook. Instead of direct exposure, the user interacts with the gate/lever to control hook access. This intermediary provides a controlled interface that maintains hook protection while enabling quick retrieval when needed.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Volume of moving object

If the device is made compact to reduce size, then the volume is reduced, but the functionality and hook storage capacity may be limited

Engineering Contradiction:
Improvedevice sizeVSAvoidhook storage capacity
Core Design Contradiction:
Volume of moving objectVSAdaptability or versatility

Solution Approach 1:

The hook and associated fishing line are nested within the hollow interior cavity of the compact device body. This nested configuration allows the device to maintain a small external volume while providing sufficient internal storage space for hooks and line management, resolving the contradiction between compact size and storage capacity.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The device integrates multiple functions within a compact form: hook storage in the hollow cavity, knot-tying assistance via the aperture, securing to rods through the elastic band, and potential line management features. This multi-functionality allows a single compact device to replace multiple separate tools, maintaining versatility while minimizing volume.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Ease of manufacture

If a single attachment band is used to reduce manufacturing cost, then the manufacturing cost decreases, but the security and reliability of mounting may be compromised

Engineering Contradiction:
Improvemanufacturing costVSAvoidmounting security
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The single attachment band utilizes elastic deformation as a reliability-enhancing mechanism. The band is designed with specific elastic properties (modulus, cross-section, length) that allow it to generate sufficient friction and normal force to securely hold the device on the rod. The elastic parameter changes enable the band to self-adjust and maintain secure mounting across varying rod diameters and conditions, compensating for the reduction from multiple bands to one.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The attachment band is made from elastomeric or polymer composite materials that combine high elasticity, friction, and tensile strength. These composite material properties enable a single band to achieve the mounting security previously requiring multiple rigid bands, reducing manufacturing complexity while maintaining or improving reliability through material science.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS12433276B2Fishing device with hook keeping features
Publication Date: 2025.10.07 FINMAN HLDG LLC
  • US12433276B2 patent drawing
  • US12433276B2 patent drawing
  • US12433276B2 patent drawing

AI summary

A fishing device with hook storage is provided for use in association with the performance of fishing and other similar activities, and more particularly, to a rod-mountable fishing device configured as a hook keeper exhibiting an integrated aesthetic appearance wherein various features provide for hook storage in multiple configurations.