Rackable Railing Assembly with Bendable Tab Strip
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing rackable railing assemblies are overly complex and costly to manufacture and assemble, often requiring excessive parts and labor-intensive adjustments to accommodate sloped surfaces, which can lead to installation errors and increased labor costs.
Innovation Solution
A rackable railing assembly design featuring a rail with hollow interior, picket slots, and a bendable tab strip system that allows pickets to pivot and adjust to various angles, reducing manufacturing and assembly complexity while maintaining stability and sturdiness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rackable railing assembly is designed with pivoting pickets and multiple adjustment mechanisms, then the adaptability to accommodate sloped surfaces is improved, but the device complexity and manufacturing cost increase significantly
Solution Approach 1:
The railing assembly is divided into modular components: rails with picket slots, individual pickets with pivot features, and separate mounting hardware. This segmentation allows for simplified manufacturing of each component while maintaining the overall rackable functionality through modular assembly.
Solution Approach 2:
The pickets are designed with pivot features that allow dynamic adjustment between fixed and angled positions. The pickets can rotate within the picket slots to accommodate different slope angles, providing adaptability without requiring complex mechanical adjustment mechanisms.
2Adaptability or versatility
If traditional rackable railing systems use multiple extra parts and adjustment mechanisms, then the angular adjustment capability is improved, but the installation time and labor cost increase
Solution Approach 1:
The rails are pre-configured with picket slots and the pickets are pre-designed with integrated pivot features and mounting holes. This preliminary preparation of components eliminates the need for complex on-site adjustments and reduces installation time, as the rackable functionality is built into the components themselves rather than requiring assembly of multiple adjustment mechanisms.
Solution Approach 2:
The pickets are designed to self-adjust to the required angle through their pivot features, eliminating the need for installers to perform complex manual cutting or adjustment. The pickets can be independently positioned and secured, allowing for quick installation without specialized tools or extensive labor.
3Ease of manufacture
If hand cutting each picket and rail to desired angles is performed, then the manufacturing complexity is reduced, but the installation time and potential for errors increase
Solution Approach 1:
Instead of physically altering the geometry of pickets and rails through hand cutting, the invention changes the parameter of joint connectivity by using pivot features within slots. This allows the same standardized components to accommodate various angles through movement rather than requiring custom-cut components for each application.
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
The design enables easy angular adjustment of railing panels to accommodate sloped surfaces with reduced manufacturing and assembly costs, improving installation efficiency and reducing the risk of errors, while maintaining structural integrity.
Implementation Method 1
a tab secured at one end of each of said tab slots and extending partially across said tab slots so that said tabs are bendable in said tab slots
Data Source
AI summary
A rackable railing assembly including a rail having a hollow interior. A series of picket slots are disposed in the rail. A tab strip is carried in the rail. A series of tab slots are laterally spaced along the tab strip. A tab is secured at one end of each of the tab slots and extends partially across the tab slots so that the tabs are bendable in the tab slots. A series of pickets are included having a distal end portion extending through the picket slots in the rail and having an end surface secured against one of the tabs. The pickets pivot in the picket slots causing the tabs to bend relative to the plain of the tab strip to allow the pickets and rail to rack to an angle.