Modular Grab Bar with One-Piece Molded Mount for Rapid Installation
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Solution Overview
Problem
Current grab bar systems require precise alignment with wall studs for optimal mounting, leading to increased installation complexity, labor, and cost due to the need for specialty fasteners when stud spacing does not match the bar length, limiting adjustability and versatility.
Innovation Solution
A modular, universal grab bar system with one-piece molded wall supports featuring a central fastener opening and rotationally adjustable mounts, allowing for secure attachment to walls without precise stud alignment, and integrated accessories such as lighting, speakers, and scent emission, activated by various sensing technologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If grab bars are mounted using traditional flange mounts with multiple bolts requiring precise alignment with wall studs, then mounting strength is optimized, but installation complexity and labor cost increase significantly
Solution Approach 1:
The mounting system is segmented into a separate mounting plate and rail component. The mounting plate with single central bolt hole is installed independently on the wall stud, while the rail is then attached to this plate. This segmentation allows the mounting plate to bear the structural loading while simplifying the rail attachment process.
Solution Approach 2:
A mounting plate serves as an intermediary component between the wall stud and the grab bar rail. This intermediate element absorbs the alignment requirements, allowing the rail to be mounted without precise alignment with studs. The mounting plate translates the single bolt connection into a stable mounting structure.
2Manufacturing precision
If grab bar length is fixed to match specific wall stud spacing, then optimal stud alignment is achieved, but adaptability to different installation scenarios is reduced
Solution Approach 1:
The mounting plate is designed as a universal component that can accommodate various rail lengths and wall stud spacings. The single central bolt hole design works with any standard wall stud configuration, making the system adaptable to different installation scenarios without requiring custom-length rails or specialized fasteners.
Solution Approach 2:
The system allows for dynamic adjustment during installation. The mounting plate can be positioned at different locations on the wall stud, and the rail can be attached at various angles and positions. This dynamic flexibility enables adaptation to different wall configurations and grab bar length requirements.
3Adaptability or versatility
If specialty fasteners like Wingits are used to anchor grab bars when stud alignment is not possible, then mounting flexibility is improved, but cost and labor requirements increase
Solution Approach 1:
The mounting plate uses a simple, inexpensive single-bolt design instead of expensive specialty fasteners. The mounting plate itself acts as a disposable or replaceable component that provides the necessary flexibility without requiring costly Wingits or other specialized anchoring systems. This approach significantly reduces material cost while maintaining mounting flexibility.
4Reliability
If multiple bolts are used in flange mounts to secure grab bars, then mounting reliability is improved, but installation time and labor cost increase
Solution Approach 1:
The mounting process is segmented into two simple steps: first installing the mounting plate with one bolt, then attaching the rail to the plate. This segmentation reduces the total number of bolts required and simplifies each step, maintaining reliability while reducing installation time compared to traditional multi-bolt flange mounts.
Solution Approach 2:
The mounting plate serves as an intermediary that consolidates multiple fastening points into a single installation location. By pre-assembling the mounting plate on the wall stud, the subsequent rail attachment requires fewer fasteners and less precise alignment, reducing overall installation time while maintaining mounting reliability.
Data Source
AI summary
A rapidly mounted, modular, universal handrail and grab bar system is disclosed having a plurality of one piece molded wall mounted supports; a plurality of fasteners securing the wall supports, wherein each support is initially rotationally adjustable about the fastener; at least one stock rail member forms the handrail member, wherein each rail member is received within wall support rail recesses, and wherein the central fastener extends perpendicular to the axis of the rail member; and at least one lateral fastening member to secure the rail member to the support. The rail members can include integrated accessories such as lighting units, glow in the dark elements, speakers, radio, scent releasing units, and liquid/powder dispensers.