Saddle Bag Lock Cables for Design Freedom
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Solution Overview
Problem
Conventional saddle bag lock devices for saddle-ride type vehicles face limitations in design freedom and capacity due to the use of rigid connecting rods, which can lead to reduced product attractiveness and increased dead space, limiting the synchronization of catch mechanisms and reducing the saddle bag's overall capacity.
Innovation Solution
A saddle bag lock device utilizing cables to connect the switching operation means to individual catch mechanisms, allowing for synchronous operation and increased design freedom, while minimizing dead space and enhancing capacity by converting up-down lever force into front-rear force for efficient catch mechanism switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid connecting rod is used to synchronize catch mechanisms, then the catch mechanisms can be synchronized, but the design freedom is limited and the saddle bag capacity is reduced
Solution Approach 1:
The patent replaces the rigid connecting rod with flexible cables that connect the operation member to multiple catch mechanisms. These cables allow the catch mechanisms to be synchronized while accommodating the mountain-shaped bulging portion of the saddle bag, thereby increasing design freedom and capacity without compromising synchronization reliability.
2Reliability
If a rigid connecting rod is used to synchronize catch mechanisms, then the catch mechanisms can be synchronized, but the saddle bag capacity is reduced due to increased dead space
Solution Approach 1:
The flexible cables used in the invention occupy minimal space compared to a rigid connecting rod, allowing the saddle bag to achieve its full mountain-shaped bulging capacity without the dead space constraints imposed by rigid structures.
Solution Approach 2:
The cables provide dynamic flexibility that allows the catch mechanisms to be positioned optimally within the available space, maximizing the saddle bag's usable capacity while maintaining reliable synchronization.
3Adaptability or versatility
If cables are used to connect switching operation means to catch mechanisms, then design freedom and capacity are improved, but the force transmission efficiency may be reduced
Solution Approach 1:
The cables are designed with appropriate tension and routing to efficiently transmit the operating force from the operation member to the catch mechanisms, maintaining sufficient force transmission efficiency while enabling the flexible mounting positions required for optimal saddle bag capacity.
Data Source
AI summary
In a saddle bag lock device for a saddle-ride type vehicle, in which a bag base body forming a saddle bag together with a lid is provided with multiple catch mechanisms switchable between a locked state where the catch mechanisms are engaged with multiple strikers provided on the lid and an unlocked state where the catch mechanisms are disengaged from the strikers. A switching operation member is manually-operable to synchronously switch the catch mechanisms from the locked state to the unlocked state. The saddle bag is formed to have a mountain-shaped bulging portion in an upper portion, the bulging portion bulging upwardly in a side view, and the switching operation member and the multiple catch mechanisms disposed in base portions of the bulging portion are connected to one another by cables corresponding individually to the catch mechanisms.