Modular Ladder Joints for Portable Yet Rigid Field Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing ladders, particularly those used by military and emergency personnel, face challenges with portability, customizability, and redundancy, making them impractical for challenging environments.
Innovation Solution
A modular ladder system comprising interchangeable structural members and joints with quick-release buckles allows for customizable assembly and disassembly, enabling rapid setup and adaptation to various sizes and configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid ladder is used, then safety and stability are improved, but portability and ease of transport deteriorate
Solution Approach 1:
The ladder is divided into multiple detachable sections (stiles and rungs) that can be separated for transport and reassembled for use. Each section is designed to be individually manageable, allowing the ladder to be broken down into smaller components that are easier to carry while maintaining structural integrity when assembled.
Solution Approach 2:
The ladder transitions from a static, fixed structure to a dynamic, reconfigurable system. The quick-release buckles enable the ladder to be rapidly assembled and disassembled, allowing it to adapt between a compact transport state and a stable operational state, providing both portability and safety at different times.
2Strength
If a rigid ladder with permanently fixed components is used, then structural strength is improved, but customizability and adaptability deteriorate
Solution Approach 1:
The ladder components (stiles and rungs) are designed as standardized, interchangeable segments that can be reconfigured into different ladder configurations. The quick-release buckles maintain strong structural connections when assembled while enabling easy reconfiguration, thus providing both structural strength and customizability.
Solution Approach 2:
The standardized components and quick-release connection system allow the same set of parts to be assembled into multiple ladder configurations suitable for different obstacles and applications. The universal connection interface enables the ladder to adapt to various situations while maintaining consistent structural integrity.
3Ease of operation
If a flexible ladder is used, then portability is improved, but safety and reliability deteriorate
Solution Approach 1:
The ladder uses rigid materials (such as aluminum or composite) for the structural components (stiles and rungs) to ensure strength and safety, while only the connection system (quick-release buckles) provides flexibility for portability. This localized application of rigidity where needed maintains safety while achieving portability through easy assembly and disassembly.
4Weight of moving object
If sectional ladders with intricate mating portions are used, then weight distribution is improved, but device complexity and ease of assembly deteriorate
Solution Approach 1:
The complex mating portions are replaced by simplified quick-release buckle mechanisms that extract the essential function of connection while removing unnecessary complexity. The buckles provide a straightforward connect-and-lock system that is easier to assemble and disassemble than traditional intricate mating portions, while still enabling sectional construction for manageable weight distribution.
Data Source
AI summary
A modular ladder comprising a plurality of structural members connected by a plurality of joints, wherein each joint comprises first, second and third receiving portions, wherein: the first and third receiving portions project along a first axis; the second receiving portion projects along a second axis perpendicular to the first axis; the first receiving portion comprises a first void for receiving a first structural member, and a first securing means for securing the first structural member in the first void; the second receiving portion comprises a second void for receiving a second structural member, and a second securing means for securing the second structural member in the second void; and the third receiving portion comprises a third void for receiving a third structural member, and a third securing means for securing the third structural member in the third void. The plurality of structural members and plurality of joints may be provided as a kit.