Extendable Frame Scooter for Variable Cargo Space
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Solution Overview
Problem
Conventional scooters with fixed wheelbases are inconvenient for users carrying luggage, as they require adjusting the user space, and occupy excessive space when no cargo is being carried, making the 'last mile' transportation challenging, especially when carrying luggage.
Innovation Solution
A scooter design featuring an extendable frame that moves relative to a main frame, allowing for variable cargo space and maintaining a constant user space, with a steering column separating user and cargo spaces, and a wheel assembly that adjusts wheel distance, incorporating a locking mechanism and foldable components for compact storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the wheel base is extended to provide cargo space, then the cargo carrying capacity is improved, but the overall size and space occupation increases even when no cargo is needed
Solution Approach 1:
The wheel base is designed to be dynamically adjustable rather than fixed. The extendable wheel base can be lengthened when cargo needs to be carried and retracted when not needed, allowing the scooter to adapt its size to actual usage requirements and avoid occupying excessive space during idle periods
Solution Approach 2:
The wheel base is divided into separate segments that can move independently relative to each other. This segmentation allows the wheel base to be extended or retracted in a controlled manner, providing cargo space when needed while maintaining a compact form when not in use
2Adaptability or versatility
If the user space is adjusted to accommodate cargo, then the cargo space is improved, but the user's foot standing area is altered causing inconvenience
Solution Approach 1:
The scooter frame is segmented into distinct functional zones: a fixed user space that maintains the foot standing area, and a separate extendable wheel base that provides cargo space. This spatial segmentation ensures that cargo accommodation does not encroach on the user's operational area
Solution Approach 2:
Instead of adjusting cargo space by modifying the user space in the same dimensional plane, the invention extends the wheel base in a different spatial direction. This dimensional separation allows independent optimization of both user comfort and cargo capacity
Data Source
AI summary
A scooter is provided. The scooter comprises a frame assembly including a main frame for a user, an extendable frame movably connected to the main frame and configured to be extendable away from the main frame at an interface at which the main frame and the extendable frame meet, and a wheel assembly connected to the frame assembly. The extendable frame forms a cargo space at an extended position.


