Folding Wagon Fold-Down Seats for Child Restraint
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Solution Overview
Problem
Existing folding wagons do not adequately restrain children when transporting them alongside articles, leading to potential injury and damage due to jostling, especially on rough terrain.
Innovation Solution
Incorporation of fold-down seats with rotatable back and seat portions that can be pivoted from upright to flat positions, supported by a basket support rack, allowing the wagon to be folded into a compact configuration while providing a secure seating arrangement for children, along with a foot pocket for additional leg room and a seat belt and shoulder harness assembly for restraint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If children are transported in the wagon basket without seats, then the wagon structure remains simple and compact, but children are subject to jostling and tossing about especially on rough terrain
Solution Approach 1:
The fold-down seats are nested within the wagon basket when not in use, allowing the seats to be stored inside the basket cavity. When needed, the seats are deployed from this nested position to provide child restraint, thus reducing device complexity when the restraint function is not required.
Solution Approach 2:
The seats are designed to be dynamically deployable and foldable, transitioning between a stored position within the basket and an upright restraint position. This dynamic capability allows the wagon structure to adapt between simple storage mode and active child restraint mode, addressing the contradiction between simplicity and safety.
2Reliability
If fold-down seats are added to restrain children, then child safety is improved, but the wagon structure becomes more complex and harder to fold
Solution Approach 1:
The seats utilize dynamic folding mechanisms with pivot points that allow smooth transition between upright and flat positions. The seat support frames are designed to rotate and collapse in a coordinated manner, maintaining folding capability while providing reliable restraint when deployed.
Solution Approach 2:
The seat structure is segmented into multiple components (seat support frames, backrest, seat portion) that can independently fold and collapse. This segmentation allows each component to be compacted efficiently, reducing the overall complexity of the folding mechanism while maintaining child restraint capability.
3Reliability
If seats are positioned upright in the basket, then children are properly restrained, but the wagon cannot be folded into compact configuration
Solution Approach 1:
The seats are designed with dynamic positioning capability, allowing them to transition from an upright restrained position to a flat collapsed position against the basket bottom. This dynamic transformation enables the wagon to be folded into a compact configuration for storage and transport when children are removed from the seats.
Solution Approach 2:
Before folding the wagon, the seats are preliminarily positioned in the flat collapsed state against the basket bottom, creating the necessary space and configuration for compact folding. This preliminary action ensures that the folding mechanism can proceed smoothly without obstruction from upright seats.
4Volume of moving object
If seats are made foldable and rotatable, then the wagon can be compacted for storage, but the restraint capability may be compromised
Solution Approach 1:
The seats incorporate dynamic elements that provide stability in the upright restrained position while enabling folding to the flat position. The pivot connections and support structures are designed to lock or stabilize the seats when upright, ensuring reliable restraint, while allowing controlled movement for folding and storage.
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 solution effectively restrains children during transport, reducing the risk of injury and damage, while enabling the wagon to be efficiently folded and stored, maintaining its functionality and usability.
Implementation Method 1
The seat and back support frames are rotatable with one another relative to the basket support rack from a vertically upright position standing upwardly within the basket and a horizontally flat position lying against the bottom of the basket
Data Source
AI summary
Disclosed herein is a folding wagon that is capable of being folded between an expanded open configuration at which a variety of articles or children are carried in a basket of the wagon and a compact collapsed configuration to facilitate storage or transport when the wagon is not being used. A pair of fold-down seats which are carried inside the basket to transport small children are rotatable between a vertically upright position and a horizontally flat position. A handle is pivotally coupled to the front of the wagon and rotatable between a first position lying inside the basket and a second position extending outwardly from the front of the wagon. A handlebar is pivotally coupled to the rear of the wagon and rotatable between a first position extending horizontally outward from the rear of the wagon and a second position extending vertically downward alongside the wagon.