Motorized Beach Wagon With Large Wheels for Soft Sand
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Solution Overview
Problem
Existing motorized beach wagons struggle with sinking into soft sand, making it difficult to transport heavy loads over beach terrain, and there is a need for a device that is collapsible for easy storage and transport.
Innovation Solution
A motorized beach wagon with a metal frame, fabric insert, and large wheels, equipped with a rechargeable battery-operated motor and collapsible design, allowing easy transport of supplies and gear over various terrains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wagon uses standard wheels, then the structure is simple, but it sinks into soft sand and becomes difficult to manage on beach terrain
Solution Approach 1:
The patent employs large-diameter wheels with a specific curvature profile that allows them to bridge gaps and traverse soft sand more effectively. The large radius of curvature enables the wheel to distribute contact pressure over a larger area, preventing sinking into soft sand while maintaining structural simplicity.
2Ease of operation
If the wagon is designed for easy storage, then it can be collapsed, but this reduces its stability during operation
Solution Approach 1:
The wagon features a collapsible frame structure with movable joints that allow the body to transition between expanded and collapsed states. When expanded, the frame forms a stable rectangular configuration with rigid connections; when collapsed, it compactes for storage. The dynamic design enables the structure to adapt between operational stability and storage convenience through controlled mechanical transformations.
3Ease of operation
If the wagon is motorized, then it reduces physical effort, but it increases device complexity
Solution Approach 1:
The patent replaces manual mechanical propulsion with an electric motor system that provides automated propulsion. The motorized drive system reduces physical effort by substituting human muscle power with electrical power, while the overall system complexity is managed through integrated design of the motor, battery, and control components as a unified assembly.
4Adaptability or versatility
If the wagon has large wheels for sand terrain, then it improves terrain traversal, but it increases the overall size and weight
Solution Approach 1:
The patent optimizes the wheel parameters by using large-diameter wheels with appropriate tread patterns and material composition. The wheel size is carefully selected to provide sufficient terrain clearance and contact area for sand traversal while maintaining reasonable weight. The frame structure is designed to support these larger wheels without excessive weight, balancing terrain adaptability with overall vehicle weight considerations.
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 device efficiently transports heavy loads over sand and other rough terrains with minimal user effort, facilitating easy storage and transport by collapsing the frame.
Implementation Method 1
the frame and handle comprise a battery-operated motor which is rechargeable
Implementation Method 2
a battery-operated motor which is rechargeable, and a throttle button
Implementation Method 3
large wheels designed to travel over the sand
Implementation Method 4
The fabric insert comprises a plurality of pockets and is held to the metal frame via Velcro during use
Data Source
AI summary
A motorized beach wagon device is disclosed for easily transporting supplies and gear to a beach or over other rough terrain. The motorized beach wagon device comprises a body component that is configured in a rectangular shape and comprised of a frame and handle with a fabric insert. The fabric insert comprises a plurality of pockets and is held to the metal frame via Velcro during use. The fabric insert can be removed and the metal frame collapsed for storage and transport. The frame is secured to a plurality of large wheels designed to travel over the sand. Further, the frame and handle comprise a battery-operated motor which is rechargeable, and a throttle button.