Pivotable Bracket Assemblies for Raking Rail Panel Installation
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Solution Overview
Problem
Conventional raked rail panels are difficult to install, often requiring multiple people due to misalignment of pivot points and requiring precise prepositioning and cutting of rails to accommodate varying rake angles, which can be cumbersome and lead to damage.
Innovation Solution
A raking rail panel system with four pivotable bracket assemblies, each comprising a rail support bracket hinged to a post bracket with gap filling portions, allowing for drop-in installation at various rake angles without prepositioning the rail panel, enabling equal mounting extension lengths for top and bottom rails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional raking rail panels are used with fixed pivot points, then the structure is simple to manufacture, but the installation is difficult and requires multiple people
Solution Approach 1:
The bracket assembly incorporates a pivotable connection between the rail support bracket and post bracket, allowing the bracket to dynamically adjust to different rake angles during installation. This dynamic capability enables a single installer to accommodate varying stair slopes without requiring complex pre-measuring and pre-cutting procedures
Solution Approach 2:
The post bracket is designed with both a mounting face for attachment to the vertical support post and a pivotable connection point for the rail support bracket. This multi-functional design allows the same bracket assembly to serve multiple purposes: providing structural support, enabling angle adjustment, and facilitating easy installation across different rake angles
2Manufacturing precision
If precise prepositioning and cutting of rails is performed to accommodate varying rake angles, then the rail panel fits accurately, but the installation process becomes cumbersome and time-consuming
Solution Approach 1:
The bracket assembly is pre-configured with aligned pivot points that automatically accommodate the required rake angle once the rail panel is installed. This eliminates the need for preliminary measuring, marking, and cutting of the rails to specific angles, as the adjustment capability is built into the bracket system itself
Solution Approach 2:
The pivotable connection allows the effective mounting angle parameter of the rail panel to be changed after installation by adjusting the bracket's pivot point position. This parameter flexibility enables accurate fitting for various rake angles without requiring precise pre-cutting of the rails
3Adaptability or versatility
If the pivot point of the rail bracket is not aligned with the pivot point of the balusters, then the bracket design is simpler, but angle adjustability is frustrated
Solution Approach 1:
The bracket assembly deliberately introduces asymmetry in its pivot point configuration, with the rail support bracket pivot point aligned with the baluster pivot points. This asymmetric alignment creates a reference axis that enables simultaneous adjustment of both the bracket angle and rail panel angle, providing adaptability that symmetric designs cannot achieve
4Measurement precision
If prepositioning of the rail panel is performed to mark cutting lines, then accurate cutting can be achieved, but the rail panel and support posts may be damaged
Solution Approach 1:
The bracket assembly is designed with pre-configured pivot point alignments that eliminate the need for prepositioning the rail panel to determine cutting lines. All necessary angular relationships are established through the bracket's pivotable connection, allowing the rail panel to be installed in its final position without temporary placement that could cause damage
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates easy installation of raked rail panels by one person across a range of rake angles, eliminating the need for prepositioning and precise cutting, reducing installation time and minimizing damage to components.
Implementation Method 1
Each pivotable bracket assembly includes a rail support bracket that is hinged to a post bracket
Data Source
AI summary
A raking rail panel system includes a raking rail panel that is supported by four pivotable bracket assemblies. Each pivotable bracket assembly includes a rail support bracket that is hinged to a post bracket. Each post bracket is configured to be coupled to a vertical support post. The post brackets each include a gap filling portion that extends from a mounting face of the vertical support posts. The gap filling portions are sized to either fill a long or a short gap between an end baluster and the vertical support post. The four pivotable bracket assemblies facilitate drop-in installation of the rail panel pivoted in a range of rake angles.