Convertible seating system with flip-out work surface for marine vessels
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Solution Overview
Problem
Existing convertible seating systems for marine vessels and watercraft lack a flexible solution that allows for both seating and working surfaces, limiting functionality and versatility.
Innovation Solution
A seating system with a base, seat, and adjustable backrest that utilizes a backrest transfer arrangement with movable pivot axes and gas struts to convert between a raised seating position and a horizontal working position, providing a flip-out work surface parallel to the seating surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a convertible seating system is designed with only seating functionality, then the seating comfort and configuration options are improved, but the versatility and functional utility deteriorate
Solution Approach 1:
The backrest is designed to serve dual functions: providing seating support in the upright position and forming a work surface when lowered to a horizontal position. This multi-functionality allows a single structure to fulfill both seating and working needs, thereby improving functional versatility without requiring separate dedicated structures for each purpose.
Solution Approach 2:
The backrest is made movable between an upright seating position and a horizontal work surface position through a transfer arrangement with movable pivot axes. This dynamic capability enables the system to adapt its configuration based on usage needs, transforming from a static seating structure to a versatile system that can provide both seating and working functions.
2Adaptability or versatility
If a flip-out work surface is added to the seating system, then the working functionality is improved, but the structural complexity increases
Solution Approach 1:
The backrest structure itself is utilized to form the work surface, eliminating the need for a separate flip-out surface mechanism. By making the backrest horizontal and providing support beneath it, the system creates a work surface using existing structural elements, thereby adding working functionality while minimizing additional structural complexity.
Solution Approach 2:
The seating system and work surface are merged into a single integrated structure where the backrest serves as both the seating support and the work surface when lowered. This consolidation eliminates the need for separate mechanisms and structures, reducing overall structural complexity while maintaining dual functionality.
3Ease of operation
If the backrest is made movable between upright and horizontal positions, then the seating configuration flexibility is improved, but the structural stability deteriorates
Solution Approach 1:
The backrest is designed with movable pivot axes that allow controlled movement between upright and horizontal positions. The transfer arrangement provides defined motion paths and stopping positions, ensuring that the backrest can be reliably positioned in either configuration while maintaining structural integrity and stability in each position.
Solution Approach 2:
The transfer arrangement with movable pivot axes acts as an intermediary mechanism that facilitates controlled movement of the backrest. This intermediate structure provides the necessary support and guidance during position transitions and ensures stable positioning in both upright and horizontal configurations, preventing structural instability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The seating system offers flexible seating configurations and a convenient flip-out work surface, enhancing usability and functionality for boaters by providing both seating and working areas in a single installation.
Implementation Method 1
The backrest transfer arrangement includes gas struts that provide mechanical assistance for position changes
Implementation Method 2
backrest transfer arrangement having a movable pivoting axis configuration
Data Source
AI summary
A seating system includes a base, and a seat mounted on the base and defining a seating surface. A backrest is configured for movement relative to the base and the seat between a first position and a second position by a backrest transfer arrangement having a movable pivot axis configuration. In the second position, the backrest defines a working surface spaced above and lying generally parallel to the seating surface.