Adjustable Staircase Handrail with Variable Height Securement
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Solution Overview
Problem
Standard handrails on staircases are often out of reach for small children, leading to instability and potential falls while climbing up or down.
Innovation Solution
An adjustable handrail system that can be secured at variable heights using tie-clamp or track follower mechanisms, allowing the handrail to be positioned appropriately for children, and optionally incorporating audible sounds or lights for enhanced safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a standard handrail is installed at a fixed height suitable for adults, then it provides stable support for adults, but it becomes out of reach for small children causing instability and potential falls
Solution Approach 1:
The handrail system transitions from a fixed static structure to a dynamic adjustable structure. The adjustable securement device with track and track follower allows the handrail member to be positioned at variable heights along the track, enabling adaptation to different user needs while maintaining structural integrity through the locking mechanism.
Solution Approach 2:
The handrail system is divided into separate functional components: a handrail member, an adjustable securement device, a track with vertically spaced apertures, and track followers. This segmentation allows independent adjustment of height while maintaining the overall structural coherence of the handrail system.
2Adaptability or versatility
If an adjustable securement device is added to allow variable height positioning, then the handrail becomes accessible to children and adults of different heights, but the device complexity and installation difficulty increase
Solution Approach 1:
The track is pre-installed on the staircase structure with vertically spaced apertures positioned at predetermined heights. The adjustable securement device is pre-assembled with track followers that have apertures aligned to engage with these pre-positioned apertures in the track, enabling straightforward installation without complex alignment procedures during the installation process.
Solution Approach 2:
The track serves as an intermediary element between the staircase structure and the handrail member. It provides a standardized interface with vertically spaced apertures that simplifies the connection process, allowing the handrail to be securely positioned at different heights without requiring direct complex attachment to the staircase structure for each height position.
3Adaptability or versatility
If the handrail is made adjustable and removable, then it can be adapted to different staircase configurations and reused, but the structural strength and security may be compromised
Solution Approach 1:
The track follower incorporates a cam-shaped curved surface that engages with the track aperture. When the adjustment screw is tightened, the cam surface rotates and locks into the aperture, creating a secure mechanical interlock that provides strong holding force while allowing for controlled adjustment and removal when needed.
Solution Approach 2:
The system is pre-configured with vertically spaced apertures in the track at predetermined intervals along the staircase. These pre-positioned apertures ensure that when the handrail is installed, it engages with structurally sound positions on the staircase, maintaining strength and security while enabling reconfigurability for different staircase configurations.
Data Source
AI summary
The invention relates to a handrail for a staircase comprising a handrail member and an adjustable securement device (80, 85) to support the hand rail member at variable heights above the stairs of a staircase.