Fishing Reel Cap with Reinforcing Member and Projections
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Solution Overview
Problem
Conventional fishing reel caps are prone to deformation when gripped firmly, which compromises their anti-slip functionality and structural integrity, especially when made of resin materials.
Innovation Solution
A fishing reel cap design featuring a bottomed cylindrical cap body with radially extending projections and an annular reinforcing member that fits onto the cap body, providing recesses for the projections and an engagement mechanism to prevent rotation and deformation, while maintaining anti-slip features through exposed projections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If irregularities are provided on the outer circumference of the cap for anti-slip manual operation, then the ease of operation is improved, but the cap is prone to deformation when gripped firmly
Solution Approach 1:
The cap is divided into two functional parts: the cap body with irregularities for manual operation and the annular reinforcing member for structural support. This segmentation allows each part to specialize in its function without compromising the other.
Solution Approach 2:
The cap combines a resin-molded cap body with an annular reinforcing member (which may be resin or metal) to create a composite structure. This composite design provides both the anti-slip irregularities and the structural rigidity needed to prevent deformation.
2Stability of the object's composition
If an annular reinforcing member is attached to the outer circumference of the cap to suppress deformation, then the structural integrity is improved, but the anti-slip irregularities cannot be provided and the cap size is enlarged
Solution Approach 1:
The annular reinforcing member is designed with recesses at specific locations where irregularities are needed, rather than providing continuous coverage. This allows irregularities to be provided in specific areas for manual operation while maintaining overall structural reinforcement.
3Ease of operation
If the cap is made as a resin-molded article to provide finger-grasping irregularities, then the ease of operation is improved, but the cap deforms when gripped with significantly strong force
Solution Approach 1:
The cap combines a resin-molded cap body with an annular reinforcing member (which may be resin or metal) to create a composite structure. This composite design provides both the anti-slip irregularities and the structural rigidity needed to prevent deformation.
Data Source
AI summary
A fishing reel cap for mounting on a reel body of a fishing reel includes a bottomed cylindrical cap body and an annular reinforcing member. The bottomed cylindrical cap body has a cylindrical portion with threads capable of being screwed onto threads on the reel body and projections extending radially outward on an outside surface of the cylindrical portion. The annular reinforcing member has recesses, a portion of each projection of the projections being configured to fit into a respective recess of the recesses, and the annular reinforcing member being configured to fit on the outside surface of the cap body, exposing at least a portion of each of the projections in a radially outward direction.