Fishing Line Guide Reinforcement Groove Design
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Solution Overview
Problem
Existing fishing line guides face challenges in achieving a lightweight design while maintaining sufficient strength and preventing attachment foot detachment during fishing, as thin metal sheets fail to resist load concentration and thick plastic frames lead to entanglement issues.
Innovation Solution
A fishing line guide with a reinforcement groove in the attachment foot, made from a metallic material, which is work-hardened to increase strength and anchored by an adhesive, allowing for a thinner and shorter design that resists deformation and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a thin metal sheet is used to reduce the weight of the fishing line guide, then the weight is reduced, but the attachment foot cannot sufficiently resist load concentration and may be damaged or deformed
Solution Approach 1:
The patent applies local quality by forming a reinforcement groove only in the attachment foot region where load concentration occurs, rather than thickening the entire fishing line guide. This localized reinforcement provides the necessary strength at the critical area while keeping the rest of the structure lightweight.
Solution Approach 2:
The reinforcement groove introduces a new dimensional feature (a groove extending into the thickness direction) to the attachment foot. This dimensional change creates a work-hardened portion that increases strength without increasing the overall thickness or weight of the attachment foot.
2Weight of moving object
If the attachment foot is made shorter to reduce weight, then the weight is reduced, but the attachment foot may be pulled out from the winding thread
Solution Approach 1:
The reinforcement groove is strategically positioned and dimensioned to provide sufficient anchoring length for the winding thread while keeping the overall attachment foot length short. The groove creates a work-hardened portion that prevents pull-out, allowing the attachment foot to be shorter than conventional designs.
3Strength
If a thick plastic frame is used to provide sufficient strength, then the strength is improved, but the winding thread cannot be densely wound and productivity decreases
Solution Approach 1:
The patent changes the physical state of the attachment foot material through work-hardening caused by the reinforcement groove. This parameter change (increased hardness and strength through plastic deformation) allows the use of a thin metal sheet instead of a thick plastic frame, enabling dense winding of the winding thread.
4Strength
If a thick attachment foot is used to provide sufficient strength, then the strength is improved, but the step portion between the attachment foot and fishing rod increases causing entanglement of the fishing line
Solution Approach 1:
The reinforcement groove provides localized strength enhancement in the attachment foot, allowing the overall thickness to be reduced. This creates a smaller step portion between the attachment foot and the fishing rod surface, preventing fishing line entanglement while maintaining sufficient strength at the critical reinforcement groove location.
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 solution provides a lightweight fishing line guide with enhanced strength, preventing detachment and entanglement, and improving the productivity of fishing rods by allowing easier winding and reduced weight.
Implementation Method 1
the attachment foot has a lower surface making contact with a portion of a fishing rod, an upper surface located opposite the lower surface in a thickness direction, one end connected to the distal end of the support leg, and an opposite end located opposite the one end in a longitudinal direction. A reinforcement groove extends in the lower surface of the attachment foot along the longitudinal direction of the attachment foot from the one end toward the opposite end.
Data Source
AI summary
A fishing line guide including an attachment foot having a thin thickness, a shorter length and a high strength. The fishing line guide includes at least one support leg, an attachment foot located at a distal end of the support leg, and a reinforcement groove formed in the attachment foot. The attachment foot has a lower surface making contact with a portion of a fishing rod, an upper surface located opposite the lower surface in a thickness direction, one end connected to the distal end of the support leg, and an opposite end located opposite the one end in a longitudinal direction. The reinforcement groove extends along the longitudinal direction of the attachment foot from the one end toward the opposite end in the lower surface of the attachment foot. A portion of the support leg and the attachment foot are made of a metallic material.