Adjustable Bail Arm Coupling for Tarp Tension
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Solution Overview
Problem
Existing tarping systems for containers lack flexibility in accommodating different container sizes and configurations due to fixed angular relationships between bail arms, leading to suboptimal tarp tension and coverage.
Innovation Solution
An adjustable coupling system between the lower and upper arms of the bail arms, allowing for selective angular adjustment at discrete intervals, enabling the tarp to be securely and evenly extended across the container top.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed angular relationship between lower and upper arms is used, then the structure is simple and rigid, but the system cannot adapt to different container sizes and configurations
Solution Approach 1:
The coupling structure transitions from a fixed rigid connection to a dynamically adjustable connection. The lower and upper arms can now be positioned at different angular orientations and locked in place, allowing the bail arm assembly to adapt to various container sizes and configurations while maintaining structural integrity during operation.
Solution Approach 2:
The previously unified rigid arm structure is segmented into separate lower and upper arm components that can be independently positioned. The coupling structure divides the angular adjustment function into discrete increment steps, allowing incremental positioning of the upper arm relative to the lower arm to achieve the desired angle for different container types.
2Manufacturing precision
If a fixed angle coupling is used, then the manufacturing and assembly are simple, but the tarp cannot be pulled tight and flat across the container top for various container configurations
Solution Approach 1:
The coupling mechanism provides dynamic angular adjustment capability, allowing the upper arm to be positioned at precise angular increments relative to the lower arm. This enables the tarp to be pulled tight and flat across the container top by optimizing the arm angles for each specific container configuration, rather than being constrained to a fixed angle.
Solution Approach 2:
The coupling structure enables change in the angular parameter of the upper arm relative to the lower arm. By adjusting this angular parameter in discrete increments, the system can optimize the geometric configuration for different container sizes and shapes, achieving proper tarp tension and flatness across the container top.
Data Source
AI summary
A bail arm assembly for a retractable tarp or cover system for a container, comprises a lower arm configured to be pivotably mounted relative to the container, an upper arm configured to support the tarp or cover, and an adjustable coupling connecting the lower arm to the upper arm. The adjustable coupling includes a pair of opposing engagement faces configured to permit selective adjustment of the angular relationship between the lower and upper arms at discrete angular intervals.