Stroller Secondary Attachment System for Multi-Passenger Versatility

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Solution Overview

Problem

There is a need for strollers to accommodate a second passenger, such as an infant, and/or to transport goods, as existing strollers lack the necessary configuration for multiple passengers and cargo handling.

Innovation Solution

A stroller design featuring a secondary attachment system with frame members and receptacles that allow for secure attachment and detachment of additional components like infant car seats or baskets, utilizing locking mechanisms and expandable compartments for versatility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a stroller is designed for a single passenger, then the structure remains simple and lightweight, but it cannot accommodate a second passenger or goods

Engineering Contradiction:
Improveaccommodation capabilityVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The stroller is divided into a primary stroller portion and a separate secondary attachment. The secondary attachment includes its own frame members, receptacles, and structural elements that can be independently attached or detached. This segmentation allows the stroller to maintain simplicity when used alone while gaining extended capacity when the secondary attachment is added.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The secondary attachment is designed with universal structural members and receptacles that can accommodate various configurations - holding a second passenger, transporting goods, or both simultaneously. The attachment can be configured in multiple ways depending on the needs of the user, making it a multi-functional component that resolves the contradiction between versatility and complexity.

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

2Adaptability or versatility

If a secondary attachment is added to accommodate multiple passengers and goods, then the adaptability increases, but the attachment and detachment process becomes more complex

Engineering Contradiction:
Improvefunctional versatilityVSAvoidattachment ease
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The attachment mechanism uses receptacles positioned at equal heights on the primary stroller frame, allowing the secondary attachment to be easily aligned and connected. The structural members are designed to engage with the receptacles in a straightforward manner, reducing the complexity of the attachment process while maintaining functional versatility.

Inventive Principle:
Principle #12Equipotentiality

Solution Approach 2:

The secondary attachment is pre-configured with attachment ends that are designed to match the receptacles on the primary stroller. The structural members are prepared in advance with appropriate connection features, allowing for quick and easy attachment without requiring complex assembly procedures during the attachment process.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If the secondary attachment is made secure and stable, then the reliability improves, but the attachment mechanism becomes more complex

Engineering Contradiction:
Improveattachment securityVSAvoidmechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The attachment mechanism combines multiple functions into integrated structural members that serve both as support elements and as connection components. The structural members are merged with the frame members of the secondary attachment, eliminating the need for separate, complex fastening systems while maintaining secure and reliable attachment to the primary stroller.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS9771095B2Stroller with a secondary attachment
Publication Date: 2017.09.26 AUSTLEN HOLDINGS LLC
  • US9771095B2 patent drawing
  • US9771095B2 patent drawing
  • US9771095B2 patent drawing

AI summary

The present disclosure relates to a stroller with a secondary attachment mechanism to facilitate the attachment of various structures to the stroller. In one embodiment, the secondary attachment mechanism may comprise an infant car seat adapter. In another embodiment, the secondary attachment may comprise a basket. The present disclosure also relates to a basket for use in an expandable stroller system. The expandable stroller system comprises an expandable base. The basket attaches to the expandable stroller system and expands with the expandable base of the stroller system advantageously providing additional storage space.