One-Piece Handrail with Seamless Sockets for Stair Adaptability
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Solution Overview
Problem
Existing hand railing assemblies often have unstable connections and loose fittings, posing a safety hazard due to the need for skilled professionals and high costs associated with custom fabrication, and mechanical connectors can fail over time, compromising safety.
Innovation Solution
An adaptable step railing assembly featuring a one-piece handrail unit with seamless post sockets and upright posts, utilizing a minimal pair of fasteners for secure and adjustable installation, ensuring a rigid and reliable connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mechanical connectors and fastening devices are used to assemble adjustable step railings, then the railing can be adapted to various stairways, but the connectors can fail or become unstable over time, compromising safety
Solution Approach 1:
The patent merges the handrail, posts, and connectors into a single integrated one-piece extruded aluminum alloy structure. This eliminates separate mechanical connectors that can fail, while the integrated design maintains adaptability through adjustable post positions and telescoping sections that accommodate various stairway pitches without compromising connection stability.
2Reliability
If custom fabricated step railings are used, then the railing can be securely assembled, but skilled professionals are required and costs are very high
Solution Approach 1:
The patent segments the railing into modular components (handrail sections, posts, base plates) that can be easily assembled together. The one-piece extruded design with integrated connectors allows for simple snap-fit or screw connections, enabling DIY installation while maintaining the security of custom-fabricated railings. The modular nature reduces installation complexity without sacrificing assembly security.
3Adaptability or versatility
If adjustable step railings are assembled on-site with multiple connectors, then proper fit to stairways can be achieved, but the assembly becomes complex and time-consuming
Solution Approach 1:
The patent incorporates telescoping sections and adjustable post positions that allow the railing to dynamically adapt to different stairway pitches. These features enable quick adjustments during installation without requiring multiple separate connectors or complex assembly procedures, reducing assembly time while maintaining adaptability to various stair configurations.
Data Source
AI summary
An adaptable step railing assembly including a rigid one-piece handrail unit, a pair of upright posts, and a pair of fasteners. The one-piece handrail unit including a pair of seamless post sockets and an upper elongated portion, the upper elongated portion extending between each seamless post socket. The pair of seamless post sockets are parallel to each other. Each seamless post socket is permanently attached to the upper elongated portion. An upright post is inserted inside each seamless post socket creating a deep socket connection. The insertion depth of the upright post is adapted to the corresponding set of steps pitch.