Infant Seat Base Level Indicator on Anti-Rebound Panel

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Solution Overview

Problem

Existing infant transport systems lack proper indicia for determining proper installation and offer limited flexibility in configuration, such as car seat, carrier, and stroller modes.

Innovation Solution

A modular infant transport system with a base featuring an anti-rebound panel and level indicator, allowing for a chassis and infant car seat to be releasably coupled, enabling conversion between car seat, carrier, and stroller modes, with mechanisms for secure attachment and detachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If traditional infant carriers are used without level indicators, then the device complexity is reduced, but the installation precision and safety are compromised

Engineering Contradiction:
Improveinstallation precisionVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent employs a level indicator that utilizes color changes or visual indicators to show whether the base is properly leveled during installation. This provides clear feedback to the user without adding complex mechanical adjustment mechanisms, thereby improving installation precision while minimizing increases in device complexity.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The level indicator is designed to automatically detect and display the leveling status of the base without requiring user intervention or additional tools. The indicator self-adjusts based on the base's orientation, providing instant visual feedback that simplifies the installation process while ensuring proper positioning.

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If modular components with release mechanisms are added to enable conversion between transport modes, then the adaptability is improved, but the device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The base is designed with a universal release mechanism that enables the same base unit to be used across multiple transport modes (car seat, stroller, carrier). The mechanism allows easy attachment and detachment of different components without requiring mode-specific hardware, thereby achieving multi-functionality while controlling overall system complexity.

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

Solution Approach 2:

The infant transport system is divided into separable modular components that can be independently attached or detached from the base using the release mechanism. This segmentation allows flexible reconfiguration between transport modes while keeping each individual component relatively simple in design.

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If the anti-rebound panel is extended higher for better safety, then the protective function is improved, but the ease of operation for accessing the infant is reduced

Engineering Contradiction:
ImprovesafetyVSAvoidease of operation
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The anti-rebound panel incorporates dynamic elements such as collapsible or adjustable sections that can be raised to full height for safety during travel and lowered or folded away when access to the infant is needed. This dynamic adjustment allows the panel to adapt between protective and accessible states without compromising either function.

Inventive Principle:
Principle #15Dynamics

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

Enhances flexibility and ensures proper installation by providing clear level indicators and secure attachment/detachment mechanisms, ensuring safe and versatile transport options.

Implementation Method 1

The level indicator may include an outer shell and a bubble level within the outer shell

Methodology Applied
Scientific EffectBubble level: Spirit Level

Data Source

PatentUS12545153B2Infant transport system and base with anti-rebound panel level indicator
Publication Date: 2026.02.10 EVENFLO CO INC
  • US12545153B2 patent drawing
  • US12545153B2 patent drawing
  • US12545153B2 patent drawing

AI summary

A base for an infant transport system is provided. A base for an infant transport system, comprising: a frame configured to be secured to a portion of an automobile, comprising: a forward end; a rearward end; opposed side walls extending in a longitudinal direction from the forward end to the rearward end; an anti-rebound panel extending upwardly from the rearward end and having a top-line edge above the opposed side walls; and a level indicator coupled to the top-line edge.