Magnetic Bait Dispenser with Elastic Opening Mechanism
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Solution Overview
Problem
Conventional bait dispensers for carp fishing suffer from jamming due to residual bait and dirt, limited bait capacity, impracticality, uneven bait distribution, and difficulty in recovery, often requiring frequent maintenance and skilled operation.
Innovation Solution
A bait dispensing device with a container divided into two symmetrical half-shells using magnetic reversible closing means and flexible threadlike elements for secure fastening to the line, allowing complete separation underwater for even bait distribution and easy recovery, featuring a streamlined shape and liquid-tight sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mechanical closing means are used in bait dispensers, then the container can be closed securely, but the hinge and release mechanisms jam due to bait and dirt infiltration, requiring frequent replacement
Solution Approach 1:
The patent replaces mechanical closing means (hinges, springs, levers) with a magnetic closing system. Two magnets embedded in the container walls attract each other to seal the container, eliminating moving mechanical parts that can jam. This substitution resolves the contradiction by providing reliable closure without mechanical components subject to wear and contamination.
2Ease of operation
If mechanical release mechanisms are installed in the container, then the container can be opened automatically, but the inner volume available for bait is reduced due to space occupied by mechanical means
Solution Approach 1:
The magnetic closing system uses magnetic attraction to keep the container sealed during casting, and the natural disruption of this magnetic field upon water impact enables automatic opening without mechanical release mechanisms. This eliminates space-consuming mechanical components while maintaining automatic opening functionality, thereby maximizing bait capacity.
3Strength
If the container is made with metal components for structural strength, then the container is durable, but the bait dispenser sinks and is difficult to recover
Solution Approach 1:
The patent employs composite construction combining non-metallic materials (plastic or wood) for the container body with embedded magnetic elements and natural fiber reinforcements. This composite approach provides sufficient structural strength while maintaining buoyancy, allowing easy recovery after use. The non-metallic base material ensures floatation while embedded components provide necessary functionality.
4Measurement precision
If the container is streamlined for accurate casting, then the casting precision is improved, but the bait distribution becomes uneven with concentration in tip or tail
Solution Approach 1:
The container is divided into multiple internal compartments or chambers that distribute bait uniformly throughout the container volume. This segmentation prevents bait concentration at specific locations (tip or tail) while maintaining the streamlined external shape for accurate casting. The segmented structure ensures even bait release upon water impact.
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 device ensures efficient, durable, and accurate bait dispensing with reduced maintenance, facilitating longer casting distances and easier operation, while maintaining buoyancy and preventing bait loss during recovery.
Implementation Method 1
said reversible closing means use the attraction force of a magnetic field active between said two half-shells
Implementation Method 2
said threadlike elements have a spreading elastic force such that, due to their elasticity, they have a spreading effect on said half-shells during use
Implementation Method 3
said two half-shells are adapted to separate completely from each other due to the action of the resisting force caused by friction with the water during sinking of the bait dispensing device
Data Source
Figure 1~3
Figure 4~7
Figure 8~11
AI summary
The invention relates to a bait dispensing device (1) for use in fishing, in particular during carp fishing, adapted to be cast with a line (3) and to open in the water, to allow dispensing of bait (2), comprising a container (4), adapted to house therein said bait (2) during casting, divided into two half- (14, 24); fastening means (7, 8, 10, 11) of said container (4) to said line (3); and reversible closing means (5, 6, 16) for said container (4). Said reversible closing means (5, 6, 16) use the attraction force of a magnetic field active between said two half-shells (14, 24), and said two half-shells (14, 24) are adapted to separate completely from each other through the action of the resisting force caused by friction with the water during sinking of the bait dispensing device (1).