Truck Bumper Flip Step with Integrated Ramp Compartment
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Solution Overview
Problem
Existing truck bumper extensions face challenges in providing convenient and secure access for loading and unloading cargo, especially when space is limited, and existing access devices like ladders and ramps are cumbersome to carry and deploy, particularly for home deliveries away from loading docks.
Innovation Solution
A truck bumper dock extension featuring a flip step that pivots from a closed position for transport to an open position, providing stepped access and incorporating a secure walking ramp compartment that is accessible only when needed, allowing for a continuous loading surface when closed and multiple steps for ground access when open.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a flip step is added to provide ground access, then access convenience is improved, but device complexity increases
Solution Approach 1:
The flip step is integrated into the bumper extension structure, combining the access device with the existing bumper framework. This merging approach provides ground access functionality while utilizing the already-present structural elements, thereby improving access convenience without proportionally increasing overall device complexity
Solution Approach 2:
The flip step employs a pivoting mechanism that allows it to rotate between a closed transport position and an open access position. This dynamic capability enables the step to adapt between different operational states, providing ground access when needed while maintaining a compact profile during transport, thus improving ease of operation without permanent complexity increase
2Reliability
If a walking ramp compartment is added for secure storage, then security is improved, but device complexity increases
Solution Approach 1:
The walking ramp is stored within a compartment that is integrated into the bumper extension structure. The ramp nests within this dedicated space, which is accessible when the flip step is in the open position. This nesting approach secures the ramp when not in use while utilizing existing structural space, thereby improving security without adding significant external complexity
Solution Approach 2:
The compartment serves multiple functions: it provides secure storage for the walking ramp, maintains structural integrity of the bumper extension, and its accessibility is coordinated with the flip step position. This multi-functionality approach improves security while the same structural elements serve multiple purposes, reducing the net increase in device complexity
3Ease of operation
If the flip step is kept in open position for ground access, then access convenience is improved, but loss of time during transport increases
Solution Approach 1:
The flip step is designed as a dynamic component that can rapidly pivot between closed and open positions. This dynamic capability allows the step to be in the open position during loading/unloading operations for improved access convenience, then quickly return to the closed position during transport to minimize time loss, effectively managing the trade-off between access convenience and transport efficiency
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
Enables secure, convenient, and space-efficient access to truck bodies for both dock and ground-level loading/unloading, reducing the complexity of carrying and deploying access devices and maintaining a continuous walking surface during dock loading.
Implementation Method 1
a flip step that is attached to pivot from a closed position for transport and into an open position for providing stepped access from the ground to the floor of the truck body
Data Source
AI summary
A truck bumper dock extension with a flip step configurable for use on a truck body to provide a functional bumper and a dock extension for loading and unloading at an elevated truck-dock and with the flip step configurable for use on the truck body for loading and unloading at an un-elevated surface, such as for home delivery. A walking ramp and stowing compartment is secured by the flip step for secure transport and removable access to a walking ramp.