Modular Side-Plate Chair Back Assembly For Lumbar And Head Tilt
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional recliner chairs lack an integrated adjustable lumbar support and head tilt mechanism that can be easily installed on various seating styles, limiting comfort and adaptability.
Innovation Solution
An integrated assembly with adjustable lumbar support and head tilt mechanisms, featuring moveable side plates, motorized components, and a relief mechanism, allowing for easy installation on different chair back widths and heights, with preconfigurable options for furniture manufacturers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an integrated lumbar support and head tilt mechanism is added to conventional recliners, then user comfort and adaptability are improved, but device complexity and installation difficulty increase
Solution Approach 1:
The assembly is divided into separate functional modules: a lumbar support mechanism with adjustable height and an head tilt mechanism with independent positioning. These modules are mounted on separate side plates that can be independently positioned and secured to the chair back, allowing complex functionality to be achieved through modular components rather than a monolithic structure.
Solution Approach 2:
The side plates serve multiple functions: they provide mounting surfaces for both lumbar and head tilt mechanisms, enable height adjustment along the chair back, and accommodate various chair back widths. The same basic assembly structure can be installed on different styles of chairs, making the system universally applicable across multiple product lines.
2Adaptability or versatility
If an integrated lumbar support and head tilt mechanism is added to conventional recliners, then user comfort and adaptability are improved, but ease of installation deteriorates
Solution Approach 1:
The lumbar and head tilt mechanisms are pre-assembled on the side plates at the factory, with all necessary mounting holes and adjustment features already in place. This preliminary assembly allows the mechanisms to be pre-adjusted and tested before installation, and enables quick installation on the chair by simply securing the completed assembly to the chair back without complex on-site adjustments.
3Adaptability or versatility
If the assembly is made adjustable to accommodate various chair back widths and heights, then adaptability is improved, but device complexity increases
Solution Approach 1:
Height adjustment is achieved by positioning the side plates at different vertical locations along the chair back, utilizing the vertical dimension. Width adaptability is achieved by selecting side plates with appropriate horizontal spacing. This dimensional approach to adjustment allows the same basic assembly design to accommodate various chair sizes without requiring complex mechanical adjustment mechanisms.
Data Source
AI summary
An integrated assembly is provided with both an adjustable lumbar support and a head tilt. The assembly is easily installed on any of a number of different seating units, and can be adjusted to accommodate seating units with a variety of back widths, and heights.


