Modular Bath Chair Assembly for Adaptable Seating Width
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Solution Overview
Problem
Conventional bath chairs are not adaptable to different body sizes, requiring separate molds and increased costs for manufacturing, storage, and maintenance, and are not easily assembled or disassembled.
Innovation Solution
An extendable bath chair assembly comprising a primary chair and a secondary chair, where the secondary chair can be combined with the primary chair to adjust the sitting area, using socket modules and armrests/insert pillars for easy assembly and disassembly, allowing adaptation to both standard and larger body sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate standard bath chair and widened bath chair are produced for different body sizes, then users with different body sizes can be accommodated, but manufacturing cost increases due to multiple molds and warehousing space increases
Solution Approach 1:
The bath chair is divided into modular components: a standard chair base and an extendable module that can be added to widen the seat. This segmentation allows a single standard chair mold to be used, while the extendable module provides the width adjustment capability, eliminating the need for separate widened chair molds.
Solution Approach 2:
The bath chair configuration is made dynamic and adjustable through the detachable extendable module with socket and pillar connections. Users can configure the chair width based on their needs by attaching or detaching the extendable module, transforming a static fixed-width chair into an adaptable system.
2Adaptability or versatility
If separate standard bath chair and widened bath chair are produced for different body sizes, then users with different body sizes can be accommodated, but warehousing space increases
Solution Approach 1:
By segmenting the chair into a standard base and a separate extendable module, inventory can be stored in a compact manner. The extendable module can be stored separately and only attached when needed, significantly reducing the warehousing space required compared to storing complete widened chairs.
Solution Approach 2:
The extendable module can be stored in a nested or compact configuration when not in use, fitting within or alongside the standard chair components, thereby minimizing the overall storage volume required in warehouses or storage facilities.
3Stability of the object's composition
If conventional bath chair with fixed construction is used, then structural stability is maintained, but assembly and disassembly cannot be performed easily and quickly
Solution Approach 1:
The chair is segmented into modular components connected through socket and pillar interfaces. This segmentation enables easy assembly and disassembly while maintaining structural stability through proper connection design, allowing users to quickly configure or transport the chair as needed.
4Adaptability or versatility
If nursing agency prepares multiple types of bath chairs for different requirements, then service coverage is improved, but purchase expense and maintenance cost increase
Solution Approach 1:
The extendable module serves multiple functions: it can be attached to standard chairs to create widened chairs, stored separately to save space, and quickly deployed when needed. This multi-functionality allows nursing agencies to use a single standardized chair type that can adapt to different user requirements, eliminating the need to purchase and maintain multiple different chair types.
Data Source
AI summary
An extendable bath chair assembly includes a primary chair and a secondary chair. The primary chair includes a primary seat, four primary legs, a primary backrest, two socket modules, and two armrests. Each of the socket modules includes two sockets. Each of the sockets is connected with one of the primary legs and has an insertion hole. Each of the armrests has two ends each inserted into the insertion hole of one of the sockets. The secondary chair includes a secondary seat, two secondary legs connected with the secondary seat, and two insert pillars connected with the secondary seat. When one of the armrests is detached from one of the socket modules, each of the insert pillars is inserted into the insertion hole of one of the sockets, so that the secondary chair is combined with the primary chair.