Clip-On Fly Fishing Training Line With Segmented Weight

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Solution Overview

Problem

Existing fly fishing teaching tools are not inexpensive, instructionally effective, or versatile enough to efficiently learn and practice casting a fly fishing line, limiting the ability to transition from training to actual fishing.

Innovation Solution

A clip-on training line for fly fishing rods composed of two types of cord, a heavier weight cord and a lighter weight cord, with a clip on one end and a frayed or imitation fly on the other, designed to mimic the action of a fishing line, providing a noticeable tug for improved timing and decelerating the casting motion for better control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a standard fly fishing line is used for training, then the casting motion is too fast and provides insufficient tactile feedback, but using a heavier cord slows down the casting motion and provides better control

Engineering Contradiction:
Improvecontrol over casting motionVSAvoidcasting speed
Core Design Contradiction:
Ease of operationVSSpeed

Solution Approach 1:

The training line is divided into two distinct segments: a heavier weight cord segment (at least 2 times heavier than the lighter cord) and a lighter weight cord segment. The heavier segment is positioned closer to the terminal end (less than one-fourth or one-third of the length from the terminal end), while the lighter segment forms the majority of the line length. This segmentation allows the line to provide tactile feedback and control during casting while maintaining a more natural casting speed for the majority of the line.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different portions of the training line have different weight characteristics tailored to specific functions. The heavier weight cord segment provides localized tactile feedback and control where needed (near the terminal end), while the lighter weight cord segments allow for more natural casting motion in the majority of the line length. This local differentiation of properties resolves the contradiction between control and speed.

Inventive Principle:
Principle #3Local quality

2Measurement precision

If a heavy training line is used to provide tactile feedback, then timing improves, but the line becomes difficult to cast at various distances including long-distance

Engineering Contradiction:
Improvetiming precisionVSAvoidcasting distance
Core Design Contradiction:
Measurement precisionVSLength of moving object

Solution Approach 1:

The training line segments the weight distribution along its length, concentrating the heavier weight in a specific segment closer to the terminal end rather than distributing it uniformly. This allows the heavy segment to provide timing feedback while the lighter segments enable the line to be cast at various distances including long-distance casting.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heavier weight cord is positioned locally near the terminal end (comprising less than one-fourth or one-third of the total length), providing tactile feedback for timing without making the entire line too heavy for distant casting. The lighter weight cord segments make up the majority of the line length, enabling versatile casting distances.

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If a uniform weight training line is used, then the construction is simple, but it cannot provide both tactile feedback and versatile casting capabilities

Engineering Contradiction:
Improvecasting versatilityVSAvoidline construction complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The training line is constructed with segmented sections of different weight cords (heavier and lighter segments) joined together. The heavier segment is positioned closer to the terminal end and comprises less than one-fourth or one-third of the total length. This segmentation provides both tactile feedback and casting versatility while maintaining relatively simple construction through standard cord joining methods.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12185708B2Clip-on training line for fly fishing rods
Publication Date: 2025.01.07 THOMPSON ROBERT SHAWN
  • US12185708B2 patent drawing
  • US12185708B2 patent drawing
  • US12185708B2 patent drawing

AI summary

The disclosure is a fly fishing training line wherein the training line is attached to a traditional fly fishing rod housing a fly fishing line. The training line is comprised of a heavier line material than the fly fishing line per meter and is end-weighted having two types, a first and second type of cord, wherein the second type is heavier than the first type and a short segment of the second type is fitted between two segments of the first type of cord nearer the fly end of the line.