Articulating Seating Assembly with Counterweight Auto-Return Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional seating structures, such as benches and folding seats, are limited by rigid connections that constrain depth and expose surfaces to spills or inclement weather, and lack automatic return mechanisms, making them cumbersome and prone to failure.
Innovation Solution
A seating apparatus with interconnected articulating assemblies that automatically pivot from a seated to an upright position using counterweights and linkage assemblies, allowing incremental articulation and providing a curvilinear seating surface for multiple users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If folding seats are used to protect seating surface from spills and weather, then seating surface protection is improved, but manual lifting burden and device complexity increase
Solution Approach 1:
The patent employs counterweight mechanisms in the articulating assemblies to automatically balance and return the seating surface to its upright position. The counterweights offset the weight of the seating surface, eliminating the need for manual lifting while maintaining protection from spills and weather through the folding capability.
Solution Approach 2:
The seating surface transitions from a static rigid structure to a dynamic articulating system that can automatically change between upright and folded positions. This dynamic capability allows the surface to respond to user needs while protecting against environmental factors without manual intervention.
2Stability of the object's composition
If rigid connection is used between seating member and leg structure, then structural stability is improved, but depth constraint and adaptability worsen
Solution Approach 1:
The seating structure is divided into separate articulating assemblies that can independently articulate between upright and seated positions. This segmentation allows each module to maintain structural stability through rigid internal connections while providing overall adaptability through the ability of assemblies to change their relative positions and depths.
Solution Approach 2:
The rigid connections are maintained within each articulating assembly for stability, while the assemblies themselves are designed to dynamically adjust their configuration. This creates a system where structural integrity is preserved at the component level while adaptability is achieved at the system level through incremental articulation.
3Ease of operation
If spring-like devices are used for automatic return, then ease of operation is improved, but reliability and duration of action worsen
Solution Approach 1:
The patent replaces spring-like elastic devices with counterweight-based mechanisms that use gravitational force instead of elastic deformation. Counterweights are more reliable for cyclic operations as they do not suffer from fatigue and material degradation over thousands of cycles, while still providing automatic return functionality.
Solution Approach 2:
The counterweight system is designed to automatically return the seating surface to its upright position without requiring external energy input or complex control systems. The gravitational force on the counterweights naturally drives the return motion, creating a simple, reliable, and maintenance-free automatic return mechanism.
4Device complexity
If single seating surface is used, then device complexity is reduced, but adaptability for multiple users worsens
Solution Approach 1:
The seating system is divided into multiple independent articulating assemblies arranged in a row, where each assembly can be independently positioned. This segmentation allows different portions of the seating surface to be at different depths, accommodating multiple users with different preferences while maintaining relatively simple individual assembly designs.
Solution Approach 2:
Each articulating assembly is designed as a universal module that can function independently or in combination with adjacent assemblies. This multi-functionality allows the same basic design to serve multiple users simultaneously at different positions and angles, providing adaptability without requiring complex customized designs for each user.
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 solution enables an aesthetically pleasing, functional bench that automatically returns to an upright position, accommodating multiple users and varying seating depths while maintaining structural integrity and ease of use.
Implementation Method 1
Each of the plurality of articulating assemblies can include a counterweight configured to pivot the seat member from the seated position to the upright position
Data Source
AI summary
An improved seating apparatus and system includes an interconnected plurality of articulating assemblies having an upright position and a seated position. Each of the articulating assemblies includes a seat member pivotally connected to a base member, and a back member pivotally connected to the seat member. The articulating assemblies are configured to pivot incrementally relative to one another between the seated position and the upright position. A portion of the articulating assemblies can be in the seated position while another portion can be in the upright position. The result can be a wave-like and/or curvilinear seating surface. The articulating assemblies are configured to automatically return from the seated position to the upright position. The articulating assemblies can be configured to articulate in two directions to provide two seating surfaces positioned on opposite sides of the back member of the seating apparatus.