Transition Door Assembly for Refuse Vehicle Articulation Clearance
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Solution Overview
Problem
Refuse vehicles face challenges in efficiently articulating their transition doors to accommodate varying loads and maintain clearance during operation, leading to potential damage and operational inefficiencies.
Innovation Solution
The design incorporates a transition door assembly with a cantilevered support structure, a pivotable door panel, and a latch system, allowing the door to articulate relative to the cab and body while maintaining clearance through the use of a drip channel angled to accommodate the door's movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the body and cab are spaced to allow articulation movement, then the vehicle can navigate uneven terrain, but a gap is created that requires a transition door assembly to prevent damage
Solution Approach 1:
A transition door assembly is introduced as an intermediary component between the cab and body. The door panel, supported by a cantilevered arm and hinge system, fills the gap created by articulation movement and prevents debris, water, or other harmful factors from entering the vehicle interior during navigation on uneven terrain.
Solution Approach 2:
The transition door assembly is designed with dynamic components including a pivotable door panel coupled to a cantilevered arm that can articulate relative to the body. This dynamic structure allows the door to move with the body's articulation while maintaining coverage of the gap, resolving the contradiction between movement capability and protection.
2Object-affected harmful factors
If a transition door assembly is added to cover the gap, then clearance and protection are improved, but the device complexity increases
Solution Approach 1:
The transition door assembly is segmented into distinct functional components: a door panel for coverage, a cantilevered arm for support and articulation, a hinge for pivotable movement, and a latch mechanism for securing. This segmentation allows each component to perform its specific function efficiently while maintaining overall system manageability despite the increased complexity.
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
This configuration ensures smooth articulation of the transition door, preventing damage and enhancing operational efficiency by maintaining clearance and facilitating the movement of the refuse vehicle's components during loading and unloading processes.
Implementation Method 1
The hinge pivotably couples the rear edge of the door panel to the body
Implementation Method 2
The latch is disposed along the door panel and positioned to engage with the latch retainer to selectively secure the door panel in a closed orientation
Data Source
AI summary
A refuse vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis and spaced from the cab such that a gap is positioned therebetween, and a transition door assembly positioned across the gap. The transition door assembly includes a support structure, a door panel, a hinge, a latch, and a latch actuator. The support structure is coupled to the body. The support structure includes a cantilevered arm having a latch retainer positioned or defined therealong. The door panel has a rear edge and a front edge. The hinge pivotably couples the rear edge of the door panel to the body. The latch is disposed along the door panel and positioned to engage with the latch retainer to selectively secure the door panel in a closed orientation. The latch actuator is configured to facilitate disengaging the latch from the latch retainer.