Collapsible Push Car With Offset Wheels And Foldable Panels
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Solution Overview
Problem
Conventional travel systems for adults with children often compromise between portability, storage, and ergonomics, and many are not collapsible, making them unsuitable for transport.
Innovation Solution
A collapsible push car design featuring a front and rear chassis body with foldable panels, a seat, and offset wheels, allowing for folding and storage while providing ergonomic use and storage for children and their belongings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional travel systems are designed to provide storage and stimulus for children, then functionality is improved, but portability deteriorates due to bulky size
Solution Approach 1:
The push car is divided into multiple separable components including a collapsible chassis, removable seat, detachable handle assembly, and independent wheel assemblies. This segmentation allows the functional components to be stored while maintaining portability, as parts can be separated for compact storage or reassembled for use.
Solution Approach 2:
The push car employs dynamic structural elements including foldable panels, collapsible chassis, and adjustable components that can transition between expanded functional state and collapsed storage state. This dynamic design enables the system to adapt between providing full functionality during use and minimizing volume for transport.
2Quantity of substance
If large wagons are designed to hold multiple children and belongings, then storage capacity is improved, but collapsibility deteriorates making them unsuitable for car transport
Solution Approach 1:
The storage capacity is achieved through multiple independent storage compartments distributed throughout the chassis structure, rather than a single large rigid container. This segmentation allows the storage volume to be maintained while enabling the overall structure to collapse compactly for transport.
Solution Approach 2:
The chassis incorporates collapsible panels and flexible structural elements that allow the storage compartments to maintain capacity during use while collapsing into a compact configuration for vehicle transport, bridging the gap between storage needs and portability requirements.
3Ease of operation
If push cars are designed for ergonomic adult use, then ease of operation is improved, but portability deteriorates due to larger size requirements
Solution Approach 1:
The handle assembly incorporates adjustable height and angle mechanisms that allow ergonomic customization during use, while the entire assembly collapses with the chassis for compact storage. This dynamic design maintains ergonomic benefits without permanently increasing the portability burden.
Solution Approach 2:
The ergonomic features such as the handle assembly and seating are designed as separable components that can be adjusted for optimal ergonomics during use, then detached or collapsed for compact storage, decoupling the ergonomic requirements from the portability constraints.
Data Source
AI summary
A collapsible push car for holding at least one rider includes a front chassis body attached to a rear chassis body; a front panel strip attached to a front edge of the front chassis body distal from the rear chassis body; a pair of foldable front quarter panels hingeably attached to the front chassis body; a pair of foldable rear quarter panels hingeably attached to the rear chassis body; a rear panel strip attached to a back edge of the rear chassis body; a seat positioned on the rear chassis body; a pair of front wheels attached to the front chassis body; a pair of back wheels attached to the rear chassis body; and a handle assembly attached to the rear chassis body. The front wheels are spaced apart by a different width than the back wheels to allow for folding of the push car.