Modular Rocker Chair Assembly to Reduce Installation Time and Errors
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Solution Overview
Problem
Rocker style chairs and chairs with pivoting seats have complex components that require extensive manufacturing time, assembly time, and skilled labor for installation, leading to inefficiencies and errors in installation processes.
Innovation Solution
The use of modular components, such as pre-assembled left-hand and right-hand standard assemblies, chair seat assemblies, and chair back assemblies, which can be easily assembled and installed on-site without hand tools or fasteners, reducing the need for skilled labor and minimizing assembly errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional rocker style chairs are assembled from individual parts on site, then the chairs can be installed in various settings, but the installation process requires extensive time, skilled labor, and is prone to errors
Solution Approach 1:
The patent applies preliminary action by pre-assembling standard assemblies (left-hand and right-hand standards with springs, landing brackets, and other components) at the manufacturing site before delivery. This pre-assembly eliminates the need for complex on-site assembly from individual parts, reducing installation time and skilled labor requirements while maintaining the ability to install chairs in various settings.
2Adaptability or versatility
If complex components are manufactured with many individual parts, then the chair functionality is complete, but the manufacturing time and assembly complexity increase significantly
Solution Approach 1:
The patent applies segmentation by dividing the chair into modular components: standard assemblies (pre-assembled units containing springs, landing brackets, and fasteners), seat assemblies, and back assemblies. Each standard assembly is further segmented into functional sub-components that can be pre-assembled and tested independently, reducing overall system complexity while maintaining complete chair functionality.
Solution Approach 2:
The patent merges multiple individual parts into integrated standard assemblies. Each standard assembly combines springs, landing brackets, fasteners, and other components into a single pre-assembled unit that functions as a complete structural element, thereby reducing the number of separate parts that need to be handled and assembled on-site.
3Reliability
If traditional assembly methods using multiple fasteners and hand tools are used, then secure connections are achieved, but the assembly process becomes time-consuming and error-prone
Solution Approach 1:
The patent applies self-service through self-aligning and self-securing features in the standard assemblies. The pre-assembled units incorporate built-in alignment mechanisms and self-retaining fasteners that automatically position and secure components without requiring manual alignment or multiple hand tools, thereby maintaining connection security while dramatically improving assembly speed.
Solution Approach 2:
The patent uses standardized interface components as intermediaries between different chair elements. These standardized connection interfaces enable quick coupling and decoupling of standard assemblies while ensuring secure connections, acting as mediators that simplify the assembly process without compromising connection reliability.
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
This approach significantly reduces installation time, minimizes errors, and optimizes material usage, allowing for faster and more efficient installation of rocker style chairs in various settings while maintaining comfort and noise reduction features.
Implementation Method 1
a spring assembly having a rubber body
Data Source
AI summary
Rocker style chairs and rocker style chairs are provided along with modular components for use within rocker style chairs and parts for assembling within the modular components. The related components and chair assemblies minimize manufacturing time, maximize material usage and decrease related installation time. The related rocker style chairs may provide comfort to chair occupants and minimize noise during related chair component motion.