Modular Ladder Assembly With Attachment Channels and Splice Joints
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Solution Overview
Problem
Existing modular ladder systems lack a straightforward and efficient method for assembly and attachment of accessories, leading to complex and time-consuming processes for configuring ladders of varying lengths and applications.
Innovation Solution
A modular ladder system featuring elongate lateral stile extrusions with attachment channels and splice joint extrusions that allow for quick assembly and attachment of accessories using frictional locking joint inserts or self-tapping screws, enabling easy adjustment and configuration of ladder lengths and accessory positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional modular ladder systems use conventional connection methods (such as those in D1, D2, D3), then the ladder structure achieves sufficient strength and stability, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The ladder system is divided into modular rung sections that can be independently assembled and then connected together using splice joint extrusions. Each rung section contains pre-integrated attachment channels, allowing for standardized connection methods that simplify the overall assembly process while maintaining structural integrity
Solution Approach 2:
The attachment channels are designed with a universal interface that serves multiple functions: connecting rung sections together via splice joints, attaching various accessories (safety cages, wall brackets), and accommodating different connection methods (frictional locking, mechanical fasteners). This multi-functionality reduces the need for specialized connection components for different purposes
2Loss of time
If the ladder system is designed for easy assembly with simple connection methods, then assembly time is reduced, but the strength and reliability of connections may be compromised
Solution Approach 1:
The connection system provides different local connection qualities within the same attachment channel structure. Frictional locking inserts provide quick connection for non-critical applications, while mechanical fasteners (screws, bolts) can be used in the same channel structure for critical load-bearing connections. This allows the design to optimize for ease of assembly while maintaining the option for high-reliability connections where needed
Solution Approach 2:
The attachment channels and splice joint extrusions are pre-configured with locating features and engagement geometries that guide components into proper alignment during assembly. This preliminary positioning ensures that even simple frictional connections achieve reliable engagement without requiring complex alignment procedures or specialized tools
3Adaptability or versatility
If the ladder system uses fixed-length rung sections, then manufacturing is simplified, but the system lacks adaptability for different ladder lengths and configurations
Solution Approach 1:
The ladder is constructed from multiple standardized rung sections that can be connected in series using splice joint extrusions. This segmentation allows the system to achieve variable lengths by simply adding or removing sections, maintaining manufacturing simplicity while providing configuration flexibility for different applications
Solution Approach 2:
The universal attachment channel design allows the same basic rung section to serve multiple configuration purposes: it can be connected to extend ladder length, attach safety cages, mount wall brackets, or create platform ladders. This multi-functionality provides adaptability without requiring different specialized components for different configurations
Data Source
AI summary
A modular ladder system has a rung section having two elongate lateral stile extrusions and elongate rung extrusions spanning therebetween. Each stile extrusion may define an attachment side having an attachment face which has two attachment channels which are adjacent, parallel and longitudinally arranged along the attachment face. Each attachment channel may have inward facing rails which define an elongate insertion space therebetween and a relatively wider connector head accommodation void thereunderneath. Furthermore, each rail may define a connector head engaging under edge. Each stile extrusion may further define a connection side adjacent to the attachment side which may define a splice joint extrusion accommodating void therein. In this way, the present modular ladder system may be quickly and easily constructed and various accessories quickly and easily attached thereto.