Stair Handrail Bracket with Adjustable Clamping
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Solution Overview
Problem
The manual installation of stair handrails is labor-intensive and challenging, particularly in maintaining uniform positioning along the entire length of stairs, often requiring multiple workers proportional to the stairs' length.
Innovation Solution
A stair handrail mounting bracket with two support bases anchored to the stair steps via a clamping system, featuring a telescopic support bar and adjustable components, allowing for automatic and uniform handrail positioning before fixing to the load-bearing wall, with a variant using a weight for steps without nosing or rounded edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual installation methods are used, then workers can install handrails, but labor intensity increases and uniform positioning becomes difficult
Solution Approach 1:
The mounting bracket is pre-assembled with the handrail section before installation. The bracket includes pre-positioned support bases and clamping mechanisms that are ready to be attached to the stair nosing, eliminating the need for workers to assemble components during installation and ensuring uniform positioning is built into the pre-assembled structure.
Solution Approach 2:
The mounting bracket acts as an intermediary device between the handrail and the stair structure. It includes support bases that clamp to the stair nosing and a mounting plate that attaches to the handrail, serving as a mediator that transfers loads and ensures proper positioning without requiring direct manual adjustment during installation.
2Productivity
If multiple workers are used proportional to stair length, then installation can be performed, but labor costs increase
Solution Approach 1:
The mounting bracket is designed as a modular system that can be pre-assembled in segments before installation. Each bracket unit is self-contained with all necessary components (support bases, clamping mechanisms, mounting plates), allowing workers to install multiple units simultaneously without requiring continuous coordination of multiple workers along the entire stair length.
3Manufacturing precision
If handrail is fixed directly to wall, then installation is simple, but uniform positioning along entire length becomes difficult
Solution Approach 1:
The mounting bracket is pre-assembled with the handrail section before installation. The bracket includes pre-positioned support bases and clamping mechanisms that are ready to be attached to the stair nosing, eliminating the need for workers to assemble components during installation and ensuring uniform positioning is built into the pre-assembled structure.
Solution Approach 2:
The mounting bracket acts as an intermediary device between the handrail and the stair structure. It includes support bases that clamp to the stair nosing and a mounting plate that attaches to the handrail, serving as a mediator that transfers loads and ensures proper positioning without requiring direct manual adjustment during installation.
Data Source
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AI summary
Stair handrail mounting bracket that facilitates the installation of handrails, comprising a series of elements that make it mechanically a fixed support of the handrail anchored to the nosing of the steps so allowing the automatic and uniform positioning at level of the handrail for the whole length of the stairs before it is fixed to the wall. The mounting bracket may comprise two support bases (1), a system of clamping elements consisting of a clamp (2) provided with a threaded bar (3) that can be adjusted via a nylon knob (4) that allows the tightening or loosening of the support that anchors the bracket support bases to the stair step nosing. The bracket support bases may consist of two sliding tracks (7) on which to slide a support bar (6) that can be locked in place as required with two geared knobs (8).