Convertible Stroller Backpack Frame for Compact Child Transport
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Solution Overview
Problem
Prior art strollers are cumbersome and costly due to complex designs with many moving parts, making them difficult to fold and store in small spaces like airplane overhead compartments, and baby bags lack integrated stroller functionality.
Innovation Solution
A stroller-baby bag combination with a simplified frame design that allows easy conversion between stroller and backpack modes, featuring a central hub system for rotating legs and adjustable straps, enabling compact storage and carrying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If prior art strollers use many moving parts for support, then the stroller can provide adequate structural support, but the weight and production complexity increase
Solution Approach 1:
The patent combines multiple structural support functions into a single integrated frame structure. The frame includes a handle, front leg, rear leg, and footrest that work together as a unified support system rather than separate moving parts, reducing manufacturing complexity while maintaining structural integrity
Solution Approach 2:
The frame structure serves multiple functions: it provides structural support, enables folding motion, and integrates with both stroller and backpack modes. The handle, legs, and footrest collectively provide support in both operational configurations, eliminating the need for separate support mechanisms
2Adaptability or versatility
If prior art strollers are designed with multiple components, then the stroller can provide stroller functionality, but it becomes difficult to fold and store in small spaces
Solution Approach 1:
The stroller is divided into distinct modular components: a handle assembly, front leg assembly with wheel, rear leg assembly with wheel, and footrest. These segmented parts can be independently positioned and folded, allowing the entire structure to be compacted into a small storage configuration while maintaining full stroller functionality when assembled
3Quantity of substance
If a baby bag stores baby care equipment, then essential items can be carried, but integrated stroller functionality is lacking
Solution Approach 1:
The system is designed to perform multiple functions: it operates as a baby bag for storing equipment, transforms into a backpack for carrying, and converts to a functional stroller for transporting the child. The handle, legs, and footrest provide structural support in stroller mode while the same components enable backpack configuration, eliminating the need for separate stroller and bag items
Data Source
AI summary
A system is configured to provide functionality of a stroller, a bag and a backpack to transport a child and equipment. The system has a frame with front legs, back legs and support handles connected to a central hub on the right and left sides. The push handles are each connected to an adjustable strap and a cushioned strap which can be used to carry the system as a backpack. A backrest is attached to the push handles and a seat is connected to the backrest in order to rotate the legs and handles together to be a backpack or apart to be a stroller. An upper compartment can be attached to the backrest which is used as a bag in either configuration.