Foldable Shopping Cart Seat Cushion with Magnetic Attachment

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Solution Overview

Problem

Children seated in shopping carts often become uncomfortable and attempt to climb out due to hard surfaces, posing a risk of falling as the carts move.

Innovation Solution

A lightweight, foldable seat cushion with an attachment mechanism using magnets and/or clasping protrusions that secures to the shopping cart, providing support for the child's legs and preventing movement, along with an optional elastic seat cover for added friction and comfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a child is placed in a shopping cart seat, then the child can be transported while shopping, but the hard surfaces of the cart cause discomfort and the child may attempt to climb out, creating a safety risk

Engineering Contradiction:

Improvechild comfortVSAvoidsafety risk from falling

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent applies beforehand cushioning by placing a cushion between the child and the hard shopping cart seat before the child is seated. The cushion is positioned in advance to prevent direct contact with hard surfaces, thereby preventing discomfort and potential falling incidents before they occur.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The cushion serves as an intermediary element between the child and the shopping cart seat. This mediator absorbs the harshness of the hard surfaces while providing a comfortable interface for the child, eliminating the direct harmful interaction between the child and the cart's hard surfaces.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If a seat cushion is added to the shopping cart, then child comfort and safety are improved, but the device becomes more complex and harder to store

Engineering Contradiction:

Improvechild safetyVSAvoidstorage difficulty

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The cushion is designed as a segmented, modular component that can be easily separated from the shopping cart. The cushion includes detachable elements such as removable covers and adjustable straps, allowing it to be disassembled into smaller parts for convenient storage in diaper bags or other small spaces.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The cushion incorporates dynamic, adjustable features such as removable straps and flexible positioning elements that allow the cushion to adapt to different shopping cart configurations. This dynamic design enables the cushion to be easily installed and removed, reducing storage complexity while maintaining safety functionality.

Inventive Principle:

Principle #15Dynamics

3Weight of moving object

If the seat cushion is made lightweight and foldable, then ease of carrying and storage is improved, but the attachment mechanism may become less stable

Engineering Contradiction:

Improvecushion weightVSAvoidattachment stability

Core Design Contradiction:

Weight of moving objectVSStability of the object's composition

Solution Approach 1:

The patent replaces traditional heavy mechanical attachment mechanisms with lighter magnetic attachment systems. The magnetic attachement provides sufficient holding force to stabilize the cushion on the shopping cart while maintaining the cushion's lightweight and foldable design for easy portability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 seat cushion ensures the child's safety and comfort by preventing falls and easy storage, while the attachment mechanism keeps the seat stable, and the seat cover aids in easy exit and prevents sliding.

Implementation Method 1

The seat cushion can attach to the cart using an attachment mechanism such as magnets and/or clasping protrusions

Methodology Applied

Scientific EffectMagnetism: Magnetism

Implementation Method 2

The seat cover can be elastic to allow insertion of the seat cushion

Methodology Applied

Scientific EffectElasticity: Elasticity

Implementation Method 3

The seat cover can provide friction against the seat cushion, enabling a user to climb out of the seat cushion without sliding

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS11396317B2Cover for a seat cushion

Publication Date: 2022.07.26 EISELE KATHLEEN ANNE

AI summary

Introduced here is a lightweight, foldable seat cushion which can be placed in the shopping cart seat to support a child's legs, and prevent the hard surfaces of the shopping cart, such as bars, from causing discomfort to the child and causing the child to try to get out of the cart. A seat cover can be temporarily attached to the seat cushion. The seat cover can be elastic to allow insertion of the seat cushion. The seat cover can have an image affixed to the seat cover, where the different sections of the seat cover form different sections of the image, such as body and legs. The seat cover can provide friction against the seat cushion, enabling a user to climb out of the seat cushion without sliding.