Multi-Bay Trailer Door Opener With Friction Drive Automation
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Solution Overview
Problem
Existing trailers with multiple lateral bay doors require manual operation, leading to unnecessary fatigue and injuries among delivery personnel due to repeated opening and closing of bay doors during delivery rounds.
Innovation Solution
A motor-driven door opening system with wheels in frictional contact with bay doors, utilizing a driving axle, sprockets, and a reel and line assembly to automate the movement of bay doors between closed and open positions, including a position detection system for controlled operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation of bay doors is used, then the structure remains simple, but delivery personnel experience fatigue and injuries due to repeated opening and closing
Solution Approach 1:
The patent replaces the manual mechanical operation system with an automated motor-driven system. The motor (102) drives wheels (80B) through a transmission mechanism (sprockets and chains) to automatically open and close bay doors, eliminating the need for manual mechanical effort while reducing personnel fatigue and injury risks.
Solution Approach 2:
The door operation system becomes self-service through automation. The motor-driven mechanism autonomously performs the opening and closing operations without requiring human physical intervention, allowing the system to serve itself in terms of door operation while improving ease of use for personnel.
2Productivity
If motor-driven automation is implemented, then operational efficiency improves, but device complexity increases
Solution Approach 1:
The patent implements motor-driven automation to replace manual operation, significantly improving productivity and operational efficiency. The motor (102) provides automated power delivery, enabling rapid and consistent door operations that enhance overall system productivity despite the added mechanical complexity.
Solution Approach 2:
The motor-driven system serves multiple functions: it can operate multiple bay doors sequentially or simultaneously, control opening and closing movements, and potentially integrate with positioning systems. This multi-functionality justifies the increased device complexity by delivering substantial productivity gains across various operational scenarios.
3Ease of operation
If wheels are used for frictional contact with bay doors, then manual effort is reduced, but the system requires precise friction control
Solution Approach 1:
The patent uses motor-driven wheels (80B) that utilize frictional contact with bay doors to propel them open or closed. This substitution of manual pushing/pulling with automated rotational friction contact significantly reduces the physical effort required while maintaining straightforward control through the motor system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system reduces manual effort and associated injuries by automating the operation of bay doors, ensuring efficient and safe opening and closing, thereby improving operational efficiency and safety for delivery personnel.
Implementation Method 1
a wheel (80B) in frictional contact with a bay door (52)
Data Source
AI summary
A door opening system for a merchandise container comprising a plurality of bay doors, the door opening system comprising a wheel in frictional contact with a bay door of the plurality of bay doors; and a motor connected in driving arrangement with the wheel. The motor drives the wheel to rotate and thereby to control a movement of the bay door of the plurality of bay doors between a closed position and an open position.