Fishing Reel Operating Member Positioning for Compact Braking Control
Solution Overview
Problem
Conventional fishing reels with dual-bearing systems and spool braking devices face challenges in improving the operability of the two operating members used to adjust the braking force of the spool.
Innovation Solution
The fishing reel design includes both the first and second operating members being exposed from the cover, allowing them to be operated in the rotational direction of the spool, and their operating axes are positioned inside the cover's outer shape, which enhances operability and reduces the reel's size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If both the first and second operating members are exposed from the cover, then the operability of the two operating members is improved, but the size of the fishing reel increases
Solution Approach 1:
The patent positions the operating axes of both operating members inside the cover's outer shape by utilizing the radial and axial dimensions of the cover. The first operating member's axis is positioned at a first radial position and the second operating member's axis is positioned at a second radial position, both within the cover's footprint when viewed from the axial direction. This allows both members to be accessible for operation while maintaining a compact overall reel size.
2Volume of moving object
If the first and second operating members are disposed inside the outer shape of the cover, then the size of the fishing reel is reduced, but the operability of the two operating members deteriorates
Solution Approach 1:
The patent creates different local operating zones within the cover by positioning the first operating member and second operating member at different radial positions. The first operating member is accessible at a first radial position while the second operating member is accessible at a second radial position, allowing both to be operated comfortably despite being within the cover's outer shape. This local differentiation of operating positions maintains ease of operation while achieving compact size.
3Volume of moving object
If the second operating member is disposed further inward of the cover than the first operating member, then the size of the fishing reel is reduced, but the operability of the second operating member deteriorates
Solution Approach 1:
The patent compensates for the inward positioning of the second operating member by utilizing the axial dimension of the cover. The second operating member is positioned further inward radially but is made accessible through the cover at a position that allows operation in the rotational direction of the spool. This multi-dimensional arrangement maintains operability while achieving compact size.
Data Source
AI summary
A fishing reel includes a reel body, a first side cover, a spool, a braking device, a first operating member, a second operating member, and a controller. The reel body has a first side plate and a second side plate, a first side cover disposed on the first side plate. The spool is disposed between the first side plate and the second side plate. The braking device brakes rotation of the spool. An exposed portion is exposed by the first side cover. A portion of the second operating member is exposed by the first side cover. The controller controls the braking force of the braking device in accordance with the operating positions of the first operating member and the operating position of the second operating member.