Refuse Vehicle Transition Door Latch Assembly for Cab-Body Articulation
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Solution Overview
Problem
Existing refuse vehicles face challenges in efficiently transitioning between the cab and body components, particularly in articulating movements, which can lead to clearance issues and potential damage during operation.
Innovation Solution
A transition door assembly is introduced, featuring a cantilevered support structure and a pivotably coupled door panel with a latch mechanism, allowing for secure closure and articulation relative to the cab and body, with optional configurations for different vehicle types.
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
The transition door assembly provides enhanced clearance and secure articulation between the cab and body, reducing the risk of damage and improving operational efficiency in refuse vehicles.
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.