Adjustable Booster Seat With Narrow Frame and Simple Tilt Control

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Solution Overview

Problem

Existing children's booster seats are overly complex, costly, heavy, and difficult to use due to large mechanisms for adjusting height and tilt, making them unsuitable for various chair types and user-friendly design.

Innovation Solution

An adjustable booster seat with a simple mechanism featuring a frame with vertically adjustable arms and tilt control devices, allowing for easy height and tilt adjustments, a narrow profile for compatibility with different chairs, and secure straps for stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If large, complex seat repositioning mechanisms are used to provide variable seating positions, then height and recline angle adjustment capability is improved, but device complexity increases, making the booster seat costly to manufacture, difficult to use, heavier to carry, and less reliable

Engineering Contradiction:
Improvevariable seating position capabilityVSAvoidseat repositioning mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The seat is divided into modular components including a removable tray assembly and separable adjustment mechanisms. The tray can be independently removed and the seat height/recline can be adjusted separately, breaking down the complex repositioning function into simpler, manageable segments that reduce overall system complexity while maintaining versatility

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The booster seat incorporates dynamic adjustment capabilities through simple mechanical means - the tray height is adjustable to multiple positions and the recline angle can be modified, allowing the seat to adapt to different child sizes and feeding positions without requiring complex automated mechanisms

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If large, complex seat repositioning mechanisms are used to accommodate height and recline adjustment, then seating position variability is improved, but the booster seat width increases, making it difficult to fit on certain chairs

Engineering Contradiction:
Improveseating position variabilityVSAvoidbooster seat width
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The adjustment mechanisms are segmented and integrated into the vertical profile of the booster seat rather than extending horizontally. The height adjustment occurs along the vertical axis and recline adjustment pivots on a central axis, maintaining a narrow footprint that fits on various chair types including those with armrests

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The repositioning adjustments are achieved primarily in the vertical dimension (height adjustment) and rotational dimension (recline angle) rather than requiring horizontal expansion. This dimensional approach allows full adjustability while maintaining a compact width suitable for various chair configurations

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If large, complex seat repositioning mechanisms are used to provide adjustable seating positions, then height and recline control is improved, but manufacturing cost increases

Engineering Contradiction:
Improveheight and recline controlVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The booster seat employs simple, inexpensive mechanical components for adjustment - basic friction-based height adjustment and simple pivot mechanisms for recline - replacing complex, expensive automated or multi-component repositioning systems. These simpler mechanisms are easier to manufacture and assemble at lower cost while providing adequate adjustability

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The complex repositioning mechanisms are extracted and replaced with essential adjustment functions only. The design removes unnecessary mechanical complexity, keeping only the critical height and recline adjustment capabilities implemented through simple, cost-effective means

Inventive Principle:
Principle #2Taking out (Extraction)

4Adaptability or versatility

If large, complex seat repositioning mechanisms are used to enable height and recline adjustment, then seating position flexibility is improved, but the booster seat weight increases, making it heavier to carry

Engineering Contradiction:
Improveseating position flexibilityVSAvoidbooster seat weight
Core Design Contradiction:
Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The heavy, complex repositioning mechanisms are extracted and replaced with lightweight adjustment components. The height adjustment uses simple friction-fit or snap mechanisms and the recline uses basic pivot points, eliminating the need for heavy motors, gears, or complex linkages while maintaining full adjustability

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Lightweight materials and simple mechanical components are used for the adjustment mechanisms rather than heavy-duty industrial-grade parts. The friction-based height adjustment and simple pivot recline mechanisms use minimal material while providing sufficient functionality, reducing overall weight

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

5Adaptability or versatility

If large, complex seat repositioning mechanisms are used to provide variable seating positions, then adjustment capability is improved, but ease of operation deteriorates, making the booster seat difficult to use

Engineering Contradiction:
Improveadjustment capabilityVSAvoiduser-friendliness
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The adjustment mechanisms are designed to be self-operating through simple user actions - the tray height adjusts via friction-fit or snap mechanisms that respond to simple lifting/moving motions, and the recline angle changes through natural pivoting motion. No complex sequences, locks, or multiple steps are required, making the adjustments intuitive and easy for parents to perform

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Instead of requiring the user to manipulate complex mechanisms to achieve adjustment, the design allows the seat to adjust through simple, natural motions - lifting the tray slightly releases friction locks for height change, and gentle pushing/pulling achieves recline adjustment. The complexity is inverted so that simple user actions produce the desired adjustment effects

Inventive Principle:
Principle #13The other way round (Inversion)

6Adaptability or versatility

If large, complex seat repositioning mechanisms are used to enable height and recline adjustment, then seating position variability is improved, but reliability decreases

Engineering Contradiction:
Improveseating position variabilityVSAvoidmechanism reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The unreliable, complex repositioning mechanisms are extracted and replaced with simple, proven mechanical adjustment methods. The friction-based height adjustment and pivot-based recline have fewer moving parts and potential failure points, significantly improving reliability while maintaining full adjustability across all seating positions

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Simple, robust mechanical components with minimal wear parts are used for the adjustment mechanisms rather than complex precision mechanisms. The friction-fit height adjustment and basic pivot recline use durable materials and simple geometries that are inherently more reliable and require less maintenance

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Data Source

PatentEP2615946B1Adjustable booster seat
Publication Date: 2015.10.21 KIDS2 INC
  • EP2615946B1 patent drawingFigure 1
  • EP2615946B1 patent drawingFigure 2
  • EP2615946B1 patent drawingFigure 3

AI summary

Various embodiments of the present invention are directed to an adjustable children's booster seat. In various embodiments, the booster seat includes a child support (e.g., a child seat) having a user-adjustable height and tilt angle. In particular, various embodiments of the booster seat include one or more improved tilt control devices and height control devices configured to enable a user to easily adjust the child support's height and tilt angle. In certain embodiments, the booster seat's frame is also configured to have a narrow profile enabling the booster seat to fit on a wide variety of chairs.