Convertible Stroller Board and Ride-On Toy with Retractable Steering

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Solution Overview

Problem

Existing ride-on toys and stroller boards lack versatility and convenience, as they are typically designed for either ride-on use or stroller attachment, without the ability to seamlessly transition between modes.

Innovation Solution

A device configurable between a stroller board mode and a ride-on toy mode, featuring a platform connectable to a stroller, under-platform wheels, and a head member with handlebars and a wheel, allowing for selective operation as either a stroller board or an independent ride-on toy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a device is designed for ride-on use with handlebars and front wheel, then it provides independent mobility for children, but it cannot be connected to a stroller for transportation

Engineering Contradiction:
Improvedual-mode functionalityVSAvoidstructural configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device is designed to perform multiple functions: it can operate as an independent ride-on toy with handlebars and steering, or be converted into a stroller board by attaching to a stroller frame. The platform serves dual purposes as both a ride-on surface and a stroller attachment interface, enabling one device to fulfill multiple mobility needs for children.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The head member featuring handlebars is configurable between an operational state where it extends above the platform for steering control, and a non-operational state where it is lowered or removed to allow stroller attachment. This dynamic reconfiguration enables the device to transition between ride-on mode and stroller board mode, resolving the contradiction between independent mobility and stroller compatibility.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If handlebars and head member are positioned for ride-on operation, then steering control is enabled, but they interfere with stroller attachment and use

Engineering Contradiction:
Improvehandlebar accessibilityVSAvoidstroller board compatibility
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The head member is designed to be reconfigurable between two states: an operational state where the elongate portion extends above the platform to provide accessible handlebars for steering, and a non-operational state where the handlebars are lowered or repositioned to clear the stroller attachment area. This dynamic adjustment allows the device to seamlessly transition between ride-on mode with full steering control and stroller board mode with unobstructed attachment.

Inventive Principle:
Principle #15Dynamics

3Speed

If under-platform wheels are positioned for independent ride-on use, then the device can move autonomously, but they create instability when attached to a stroller

Engineering Contradiction:
Improveindependent mobilityVSAvoidstroller attachment stability
Core Design Contradiction:
SpeedVSStability of the object's composition

Solution Approach 1:

The under-platform wheels are designed to be repositionable between an operational configuration where they contact the ground to enable independent ride-on movement, and a non-operational configuration where they are raised or repositioned to prevent ground contact when the device is attached to a stroller. This dynamic adjustment ensures the device can move autonomously when needed while remaining stable and secure when attached to stroller frame.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20250074535A1Device usable as a stroller board and as an independent ride-on toy
Publication Date: 2025.03.06 DOONA HLDG
  • US20250074535A1 patent drawing
  • US20250074535A1 patent drawing
  • US20250074535A1 patent drawing

AI summary

Described herein is a device configurable between a first mode in which the device can be connected to a stroller as a stroller board, and a second mode in which the device can be used as an independent ride-on toy. The device comprises a platform, at least two under-platform wheels at least indirectly connected to the underside portion of the platform, a connector engageable with a stroller, and a head member configurable between an operable state and a non-operable state, in which an elongate portion of the head member and the handlebars are located so as to least interfere with use of the device as a stroller board.