Ladder Rung Bracket Assembly With Retention Pins for Vehicle Mounting
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Solution Overview
Problem
Conventional vehicle article holders/carriers are complex, costly, and occupy significant space, necessitating additional measures for securely transporting standard ladders due to their dimensions.
Innovation Solution
A ladder-securing assembly with a U-shaped bracket and retention pins that securely attach to a vehicle surface, using minimal parts and requiring simple installation, to accommodate and stabilize ladder rungs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional article holder structures are used to support ladders, then a wide range of articles can be accommodated, but the structure complexity and manufacturing costs increase due to numerous adjustable parts
Solution Approach 1:
The patent extracts the ladder-specific securing requirements from general-purpose article holders and creates a dedicated bracket design. The bracket is specifically configured with a U-shaped cross-section and retention pins tailored for ladder rungs, eliminating the need for adjustable components while maintaining effective ladder transport.
Solution Approach 2:
The patent employs a simple, inexpensive bracket design that prioritizes functionality over adaptability. Rather than creating a versatile adjustable system, the solution uses a fixed, purpose-built bracket that is cost-effective and straightforward to manufacture for the specific purpose of ladder transport.
2Adaptability or versatility
If conventional article holder structures are used, then multiple article types can be carried, but the surface area occupied on the vehicle increases
Solution Approach 1:
The patent removes the ladder transport function from general-purpose holders and creates a compact, dedicated bracket. This specialized design occupies minimal vehicle surface area while effectively securing ladders, freeing up space for other cargo.
3Reliability
If conventional holder structures are used for standard ladders, then ladders can be supported, but additional securing measures are required due to ladder dimensions
Solution Approach 1:
The bracket design is self-sufficient for ladder securing. The U-shaped configuration with integrated retention pins automatically engages ladder rungs without requiring additional straps, chains, or external securing devices. The structure itself provides the necessary restraint.
Solution Approach 2:
The patent applies local quality by concentrating the securing function at specific contact points where the retention pins engage the ladder rungs. Rather than distributing complexity across multiple components, the design focuses the securing action at precise locations along the ladder structure.
Data Source
AI summary
A ladder-securing assembly for a vehicle is presented that includes a bracket configured with a square U-shaped cross-sectional profile and a lateral width sized to accommodate a width of a standard ladder rung, a top surface configured with top side retention holes to receive retention pins inserted therethrough, a bottom surface configured with bottom side retention holes to receive the retention pins inserted therethrough and attachment holes to accommodate bolts for fixedly attaching the bracket to a plane surface of the vehicle, a spacing arranged between the top and bottom surfaces and spanning across the lateral width of the bracket and configured to slidably receive the standard ladder rung, and a retention pin structure containing a retention pin holder configured to releasably lock the retention pins inserted through the top side and bottom side retention holes of the bracket to secure the at least one ladder rung in place.