Spinning Reel Cover Fixation via Intermediate Mediator
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Solution Overview
Problem
Conventional spinning reel units face challenges in fixing the cover member easily while minimizing exposure of screw members to the rear portion, affecting the appearance and functionality.
Innovation Solution
The reel unit incorporates a cover member, an intermediate member, and a boss that is inserted through a first insertion portion, with the intermediate member being non-movably provided within the reel body or lid member, allowing for easy fixation of the cover member without exposing screw members to the rear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screw members are used to fix the cover member to the reel body, then the cover member can be securely fixed, but the screw members are exposed to the rear portion of the reel unit, affecting the appearance quality
Solution Approach 1:
The patent introduces an intermediate member as a mediator between the cover member and the reel body. The intermediate member includes a through hole that allows the screw member to pass through and secure the cover member, while the intermediate member itself covers the screw member head, preventing exposure to the rear portion and maintaining appearance quality.
2Ease of operation
If long screw members are used to penetrate the reel unit along the spool shaft, then the cover member can be fixed from the rear portion, but it becomes difficult to screw the fixing members into the cover member while they penetrate straight the accommodation space
Solution Approach 1:
The patent segments the fixation system into multiple components: the cover member with a through hole, the intermediate member with a through hole, and the screw member. This segmentation allows the screw member to pass through both holes and secure the cover member without requiring complex penetration through the entire accommodation space, simplifying the fixation operation.
3Device complexity
If screw members are exposed to the rear portion of the reel unit, then the fixation structure is simple, but foreign materials such as bait and dust can attach to the recesses, affecting functionality
Solution Approach 1:
The intermediate member serves as a protective intermediary that covers the screw member head and the recess area. This prevents foreign materials such as bait and dust from attaching to the recesses while still allowing the screw member to pass through the through hole to secure the cover member, maintaining both protection and simplicity.
Data Source
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AI summary
An object of the present invention is to make it possible to easily fix a cover member to a reel unit of a spinning reel while exposure of a fixing member to a rear portion of the reel unit is reduced. A reel unit includes a reel body, a lid member, a reel unit protection member, and an intermediate member. The reel body includes an accommodation space that opens to a lateral side, a first insertion hole that is communicated with the accommodation space, and a second insertion hole that is disposed on the opposite side of the first insertion hole and is communicated with the accommodation space. The lid member is detachably/reattachably mounted to the reel body so as to cover the accommodation space. The reel unit protection member is mounted from backward so as to cover the reel body and the lid member, and includes a boss that passes through the first insertion hole from a rear portion of the reel body and protrudes toward the accommodation space. The intermediate member is non-movably provided in the reel body within the accommodation space, and retains a screw member fixed to a front end portion of the boss in the accommodation space.