Canvas Door and Locking System for Long Bed Trailers
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Solution Overview
Problem
Long bed trailers with live floors face challenges in unloading particulate materials due to rear doors not fully opening in tight spaces, leading to material loss, as the doors are supported by the material they carry, making it difficult to manage unloading in confined areas.
Innovation Solution
A canvas door and locking system for the rear opening of long bed trailers, featuring a motorized canvas door that can be fully opened and secured with a locking mechanism along the edges, allowing for complete opening in confined spaces and preventing material loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the rear doors are supported by the particulate material they carry, then the doors can be secured to the sides of the trailer, but the doors cannot fully open in tight spaces to allow complete unloading
Solution Approach 1:
The door system is segmented into a canvas door portion and a rigid frame portion. The canvas door can be fully retracted into the frame, allowing complete opening even in tight spaces, while the rigid frame maintains structural support for the particulate material during transport and unloading operations.
Solution Approach 2:
The canvas door is nested within the rigid frame structure. When the door needs to open completely for unloading in confined spaces, the canvas portion retracts into the frame, creating a compact configuration that allows full opening without requiring external space, while still providing door functionality when closed.
2Adaptability or versatility
If the canvas door is fully retracted into the frame, then the door can open completely in tight spaces, but the door structure becomes more complex
Solution Approach 1:
The rigid frame serves multiple functions: it provides structural support for the particulate material during transport, acts as a mounting structure for the canvas door, and serves as the receiving structure for the canvas door when retracted. This multi-functionality reduces the need for separate components and simplifies the overall structure despite the retraction mechanism.
Data Source
AI summary
A door and locking system for a rear opening of a long bed trailer, the rear opening having a top edge, a bottom edge and first and second side edges, the door and locking system has a canvas door configured for mounting adjacent to the rear opening of the long bed trailer. The canvas door can move between a closed position in which the canvas door moves to close the rear opening and an open position in which the canvas door moves to open the rear opening. A locking system secured to the edges of the rear opening can move between a locked position, in which the locking system is in locking engagement with the canvas door in the closed position to secure the canvas door against the edges of the rear opening to close the opening for retaining fluidizable product in the long bed trailer and an unlocked position, in which the locking system is free from locking engagement with the canvas door to allow the canvas door to move into the open position.