Chain Holder with Projections for Trailer Safety
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Solution Overview
Problem
Safety chains in trailering assemblies often hang lower than desired and can drag on the ground, potentially causing damage.
Innovation Solution
A chain holder with a U-shaped configuration and projections that connect to a mounting arm, featuring hook portions and projections to secure chains at a height corresponding to the trailer assembly component, preventing them from dragging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If safety chains are connected without a chain holder, then the chain holder structure is eliminated (simpler device), but the chains hang lower and drag on the ground causing damage
Solution Approach 1:
The chain holder acts as an intermediary component between the trailering assembly and the safety chains. It provides a mounting structure with hook portions that secure the chains at the desired height, preventing them from dragging on the ground while adding minimal structural complexity to the overall system.
2Stability of the object's composition
If the chain holder is designed with fixed structure, then stability is improved, but ease of connection and disconnection deteriorates
Solution Approach 1:
The chain holder incorporates dynamic connection features including hook portions that can easily engage and disengage from the chains, and projections that fit into corresponding slots on the mounting arm. This allows the structure to be stable when connected while maintaining ease of connection and disconnection when needed.
3Ease of operation
If the chain holder allows free movement, then ease of operation is improved, but stability deteriorates
Solution Approach 1:
The chain holder design provides different degrees of freedom in different locations: the hook portions allow easy attachment/detachment, the projections fit into slots for positional adjustment, but once connected, the structure provides stable restraint of the chains at the desired height and position.
Data Source
AI summary
A chain holder includes a first portion, a second portion, a third portion connecting the first portion with the third portion, a first hook portion extending from the first portion, and a second hook portion extending from the second portion. The first portion and the second portion may be disposed substantially in parallel with each other. The third portion may be disposed substantially perpendicular to the first portion and the second portion. A chain holder may include a first projection and a second projection. The first projection may extend inward from the first portion and the second projection may extend inward from the second portion. The first projection and the second projection may be substantially aligned with each other. A distance from the first projection to the third portion corresponds to a height of a trailer assembly component.