Spin Protection Bait Cup for Plug-Cut Fish
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Solution Overview
Problem
Plug-cut bait fish quickly deform and detach from the leader line, losing their resemblance to a wounded fish and reducing fishing effectiveness due to lack of protection and secure attachment.
Innovation Solution
A sure spin device with a planar face cover member and lateral cup member that maintains the 45-degree angle of the plug-cut bait fish, featuring adjustable apertures for leader line passage and secure attachment using toothpicks, ensuring durability and prolonged use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a plug-cut bait fish is used to simulate a wounded fish, then the bait initially resembles the motion of a wounded fish, but the front face quickly becomes deformed and separates
Solution Approach 1:
The patent applies preliminary action by pre-cutting the bait fish head at a specific 45-degree angle to create the desired wounded fish appearance before use. This pre-established geometry ensures the bait immediately presents the correct shape when first deployed, addressing the need for initial resemblance to a wounded fish while setting up the structure for subsequent protection against deformation
Solution Approach 2:
The patent introduces a leader line as an intermediary element that connects the hook to the bait fish body. This leader line serves as a mediator that transmits the pulling force from the hook to the bait, allowing the bait to maintain its position and shape while being towed through water. The leader line prevents direct attachment that would cause deformation at the front face
2Ease of operation
If the front face of the plug is allowed to move freely, then the bait can be easily rigged, but the plug becomes easily detached from the leader line
Solution Approach 1:
The patent segments the attachment system into distinct functional zones: the leader line attaches to the hook, the hook penetrates the bait fish body, and the bait fish head is separated at a 45-degree angle. This segmentation allows each component to perform its specific function independently - the leader line remains secure through the body attachment while the front face maintains freedom of movement for proper positioning
Solution Approach 2:
The patent applies local quality by creating different mechanical conditions at different locations of the bait system. The front face of the plug is left free-moving to maintain proper orientation and resemblance to a wounded fish, while the attachment point at the body is secured to prevent detachment. This localized differentiation of movement constraints resolves the contradiction between rigging ease and attachment security
Data Source
AI summary
A spinning device for covering and maintaining the front face of a bait fish resulting in greater utility, ease of use and bait durability. The device comprises a cup having a planar face and cylindrical wall adapted to extend rearward along the sides of the bait fish when the inside surface mates a “plug-cut” bait fish frontal face. The device has compound angled surfaces, a planar surface between multiple apertures enabling secure spin options and stability due to deep cup depth seating as well as enlarged flange apertures capable of accepting a standard toothpick. A trio of spaced apart apertures are formed in the device's frontal face allowing for a fishing leader terminating in one or more hooks extending through the device into the bait fish's body. The rotational spin rate of the device is determined by which of the three apertures the leader passes.