Grab rail
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing grab rails face challenges when mounted on stud walls due to variations in stud spacings, requiring multiple rail lengths or cutting, which leads to inventory issues and complications in forming new connections.
Innovation Solution
A grab rail system with elongate shafts and adjustable attachment fittings that allow varying spacing between contact surfaces, enabling flexible mounting on walls with different stud spacings by selectively engaging the fittings with the shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If rails of differing lengths are provided to accommodate variations in stud spacings and mounting angles, then the grab rail can be mounted on walls with different stud configurations, but inventory issues arise due to the need to stock multiple rail lengths
Solution Approach 1:
The grab rail is divided into multiple modular sections that can be connected in different configurations. Each section has standardized connection points that allow the rail to be assembled in various lengths and angles, enabling adaptation to different stud spacings without needing to stock multiple pre-fabricated rail lengths.
Solution Approach 2:
The rail system incorporates adjustable connection mechanisms that allow the distance between mounting points to be varied. This dynamic adjustability enables a single rail design to accommodate different stud spacings and mounting angles by reconfiguring the connection points rather than requiring multiple fixed-length rails.
2Manufacturing precision
If the rail is cut to length prior to application to accommodate specific mounting requirements, then the rail can be precisely fitted to the wall, but complications arise from the need to form new connections between the rail and its mountings
Solution Approach 1:
The rail is supplied pre-assembled in standardized lengths with connection points already configured. The modular design allows the rail to be installed in a single operation without requiring on-site cutting or reconfiguration of connections, thereby maintaining precise fitting while avoiding the complexity of forming new connections during installation.
3Ease of manufacture
If a single rail design is used regardless of stud spacing variations, then inventory management is simplified, but the rail cannot be properly mounted on walls with different stud configurations
Solution Approach 1:
The rail incorporates universal connection mechanisms that can accommodate multiple mounting configurations. The standardized connection points and adjustable mounting brackets allow a single rail design to be installed on walls with various stud spacings and angles, providing multi-functionality without requiring different rail designs for different applications.
Data Source
AI summary
A grab rail has an elongate shaft and attachment fittings to attach the shaft to a wall. The attachment fittings are configured with at least two connections that are selectively engageable with the elongate shaft to enable the spacing between contact surfaces on the attachment fittings to be varied.