Vehicle Seat Table Locking Structure With Single Lock Member
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Solution Overview
Problem
The existing vehicle seat table designs are overly complex due to the necessity of multiple lock members, increasing the number of parts and complicating the structure, which can lead to potential issues with durability and simplicity.
Innovation Solution
A simplified design featuring a single lock member that engages with the shaft member at different positions for the using and containing positions, reducing the number of parts and simplifying the structure by using a U-shaped shaft and a rectangular table main body with a holding member and a flexible lock member positioned differently from the holding member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple lock members are provided at the holding portion to lock the shaft member at different positions, then the table can be stably locked at both using and containing positions, but the number of parts increases and the structure becomes complicated
Solution Approach 1:
The single lock member is designed to perform multiple functions: it can lock the shaft member at both the using position and containing position, replacing what would traditionally require two separate lock members. This multi-functional design reduces the number of parts while maintaining reliable locking at both positions.
Solution Approach 2:
Multiple locking functions are merged into a single lock member structure. The lock member integrates the capabilities of multiple separate lock members by incorporating engagement features that can interact with the shaft member at different positions through a unified design.
2Reliability
If multiple lock members are provided within the holding portion, then the table can be securely locked at different positions, but the number of parts increases
Solution Approach 1:
The single lock member serves multiple locking purposes by engaging with the shaft member at different positions. This multi-functional component replaces multiple separate lock members, reducing the total number of parts while maintaining secure locking reliability at both using and containing positions.
Solution Approach 2:
The design merges the functions of multiple lock members into a single integrated lock member structure, reducing part quantity while preserving the essential locking function at multiple positions through a unified component.
Data Source
AI summary
The present invention can include a vehicle seat having a table, the table including a table main body, a shaft member, a first hinge structure that pivotably connects the table main body to one face of the vehicle seat and a second hinge structure that pivotably connects the shaft member to the one face of the vehicle seat. The table main body includes a holding member which is capable of slidably holding a front end portion of the shaft member and a lock member which is capable of engaging with the shaft member, and the lock member is provided at a position different from the holding member. Further, the table main body is movable between a containing position constituting a state of facing the one face of the vehicle seat and a using position constituting substantially a horizontal state by movement of the shaft member, and the lock member is engaged with a front end side portion of the shaft member at the using position and engaged with a back end side portion of the shaft member at the containing position.