Rear Console Table Positioning and Tilt for Adjustable Seating
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Solution Overview
Problem
Existing table apparatuses for rear seat passengers lack the ability to adjust their location and angle in response to the position of the rear seat, making them inconvenient for use.
Innovation Solution
A table apparatus with a rotatable table housing, a movable body, a rotating body, and a tilting unit that allows the table to be adjusted in location and angle to match the rear seat's position, including a wire shaft for deceleration and automatic reception, and a rotating roller for assisted movement, enabling comfortable positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a table apparatus is provided with only basic reception and extraction functions, then the device complexity is low, but the ease of operation deteriorates because the table cannot be adjusted to match the rear seat position
Solution Approach 1:
The table apparatus employs multiple dynamic adjustment mechanisms including a rotatable table housing that can rotate around a support shaft, a movable body that slides along a guide, a rotating body that rotates around a body shaft, and a table that rotates around a table shaft. These dynamic components enable the table to be positioned at various locations and angles to match different rear seat positions, transforming a static simple structure into a multi-position adjustable system that maintains ease of operation through intuitive mechanical controls
Solution Approach 2:
The table apparatus implements a nested structure where the table is housed within the rotating body, which is in turn housed within the movable body, which is contained within the table housing. This nested arrangement allows multiple adjustment functions (rotation, translation, tilting) to be integrated in a compact configuration, enabling complex positioning capabilities without proportionally increasing the overall device footprint or operational complexity
2Adaptability or versatility
If the table apparatus includes multiple adjustment mechanisms for location and angle, then the adaptability improves to match rear seat position, but the device complexity increases
Solution Approach 1:
The table apparatus is divided into functionally independent segments: the table housing that rotates around the support shaft to adjust horizontal position, the movable body that slides along the guide to adjust depth, the rotating body that rotates around the body shaft to adjust tilting angle, and the table that rotates around the table shaft for final orientation. Each segment performs a specific adjustment function, allowing the system to achieve high adaptability through modular, manageable components rather than a monolithic complex mechanism
Solution Approach 2:
The table apparatus integrates multiple adjustment functions (horizontal positioning, depth adjustment, tilting angle control, and orientation rotation) into a single unified device. The interconnected mechanical components work together to provide comprehensive adaptability for various rear seat positions and passenger preferences, making one apparatus serve multiple positioning needs that would otherwise require separate mechanisms
3Ease of operation
If the table housing is made rotatable with multiple adjustment components, then the ease of operation improves for passenger comfort, but the manufacturing precision requirements worsen due to multiple moving parts
Solution Approach 1:
The table apparatus incorporates self-aligning and self-locking features through its mechanical design. The guide structure automatically guides the movable body during translation, the latch mechanism automatically engages with the gear teeth to maintain positioning, and the gravitational force on the table naturally assists in stabilizing the rotating body. These self-service characteristics reduce the precision requirements for assembly and manufacturing by allowing the components to self-correct minor deviations during operation
Data Source
AI summary
A table apparatus for rear seat passengers may include a table housing rotatable upwards and downwards around a support shaft coupled to a sidewall of a rear console, a movable body movable along a guide provided in the table housing, a rotating body coupled to the movable body by a body shaft and rotatable upwards and downwards with respect to the movable body, a table coupled to the rotating body by a table shaft and rotatable leftwards and rightwards with respect to the rotating body, and a table tilting unit provided in the movable body and the rotating body, the table tilting unit controlling a rotation angle of the rotating body to determine a tilting angle of the table.