Retractable Handle Assembly for Pickup Truck Cargo Area
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Solution Overview
Problem
Current handle devices for pickup truck cargo areas are difficult to install, occupy valuable space, and do not efficiently assist users in climbing into the cargo area.
Innovation Solution
A retractable step and handle assembly system where the handle is fixedly attached to the side wall above the floor, with a base that attaches to a utility track, allowing the grip handle to pivot from a stowed to a gripping orientation, minimizing space usage and providing easy installation and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a handle device is installed to assist climbing into the cargo area, then the ease of operation is improved, but the device complexity and installation difficulty increase
Solution Approach 1:
The handle assembly incorporates a pivot mechanism that allows the grip handle to rotate between a stowed position (flush with or below the side wall surface) and a usable position (extending outward for gripping). This dynamic configuration enables the handle to provide assistance only when needed, while automatically minimizing its profile during normal cargo area usage, thus improving ease of operation without permanently increasing device complexity
Solution Approach 2:
The base of the handle assembly is designed to attach to a utility track system, which is a standard feature in many pickup truck cargo areas. This universal mounting interface allows the handle assembly to be easily installed and removed without complex fabrication or permanent modifications, reducing installation difficulty while maintaining the climbing assistance function
2Ease of operation
If a handle device is installed to assist climbing into the cargo area, then the ease of operation is improved, but the device occupies valuable space within the cargo area
Solution Approach 1:
The grip handle is designed to pivot between a stowed position where it is flush with or below the side wall surface (occupying minimal space) and a usable position where it extends outward (providing climbing assistance). This dynamic behavior allows the handle to occupy valuable cargo space only when needed for climbing, while automatically retracting to minimize space occupation during normal cargo loading and storage operations
Solution Approach 2:
The handle assembly utilizes the vertical dimension by mounting to the upper area of the side wall above the floor level, rather than occupying horizontal cargo floor space. The grip handle extends in a direction that provides leverage for climbing without projecting into the primary cargo storage volume, thus improving ease of operation while minimizing the area occupied within the cargo area
3Ease of operation
If the grip handle extends higher to provide better gripping assistance, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The pivot mechanism allows the grip handle to achieve an extended position where it protrudes sufficiently beyond the side wall surface to provide effective gripping assistance for climbing. The pivot connection simplifies the mechanical structure compared to telescopic or articulated mechanisms, as it requires only a single rotation degree of freedom to transition between stowed and usable positions, thus improving gripping assistance while maintaining relatively simple device complexity
Solution Approach 2:
The base is pre-configured with mounting features that align with the utility track system, and the grip handle is pre-positioned in a stowed configuration during assembly. This preliminary preparation allows for quick installation without complex field adjustments, reducing the perceived device complexity while ensuring the handle can extend to the optimal gripping height for ease of operation
Data Source
AI summary
A vehicle body structure with a cargo area structure, a retractable step and a handle assembly. The cargo area structure has a floor, a first side wall and a tailgate at least partially defining a cargo area. The handle assembly has a base and a grip handle. The base is attached to an upright surface of the first side wall. The grip handle is movable relative to the base between a stowed orientation in which the grip handle is at a location lower than an upper surface of the first side wall and a gripping orientation in which at least a portion of the grip handle extends higher that the upper surface of the first side wall. With the grip handle in the gripping orientation an individual using the step to enter the cargo area grabs the grip handle for assistance in stepping up into the cargo area.