Convertible High Chair With Nested Booster and Telescopic Legs

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Solution Overview

Problem

Existing high chair and booster seat solutions lack flexibility in configuration, requiring different products for various stages of a child's development and posing challenges in storage and portability.

Innovation Solution

A convertible high chair with a Z-shaped frame and telescopic legs that can transform into a youth chair and booster seat, featuring a nested seating mechanism and recline function, allowing for multiple configurations and easy height adjustment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate high chair and booster seat products are used for different child development stages, then each product can be optimized for its specific function, but the family must purchase and store multiple separate products

Engineering Contradiction:
Improveproduct adaptabilityVSAvoidproduct variety
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The high chair is designed with a universal base unit that can accommodate multiple seating configurations through interchangeable seat inserts. The base includes standardized attachment mechanisms that accept infant seats, toddler seats, and youth seats, allowing one product to serve multiple functions across different child development stages

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

Solution Approach 2:

The high chair system is divided into a permanent base unit and removable seat inserts. The base contains the frame, tray mechanism, and height adjustment components, while separate seat inserts provide age-specific functionality. This segmentation allows the family to purchase one base and multiple interchangeable seats rather than multiple complete high chairs

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple separate high chair and booster seat products are purchased for different stages, then each product can be optimized for its specific use, but storage space requirements increase

Engineering Contradiction:
Improvestage-specific optimizationVSAvoidstorage volume
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The seat inserts are designed to nest within the base unit when not in use. Smaller infant seats can be stored inside the base frame, while larger toddler and youth seats can be positioned within the base structure. This nesting capability significantly reduces the storage volume required compared to storing multiple complete high chair units separately

Inventive Principle:
Principle #7Nested doll (Nesting)

3Adaptability or versatility

If traditional high chairs with fixed height are used, then the structure is simple and stable, but the chair cannot adapt to different table heights or growing children

Engineering Contradiction:
Improveheight adaptabilityVSAvoidadjustment mechanism
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The high chair base incorporates a telescopic leg mechanism with adjustable height settings. The legs can be extended or retracted to accommodate different table heights and floor surfaces. This dynamic adjustment capability allows the same base unit to adapt to various dining environments without requiring multiple fixed-height chairs

Inventive Principle:
Principle #15Dynamics

4Ease of manufacture

If the high chair is designed as a single fixed configuration, then manufacturing and storage are simple, but the product cannot grow with the child from infancy through toddlerhood

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidchild growth adaptability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The base unit is manufactured with universal attachment points and standardized connection mechanisms that work with multiple seat insert types. This allows a single base design to support infant seats, toddler seats, and youth seats, providing long-term value as the child grows while maintaining manufacturing efficiency through component standardization

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

Data Source

PatentEP2206453B1Dual purpose high chair
Publication Date: 2011.11.09 WONDERLAND NURSERYGOODS CO LTD
  • EP2206453B1 patent drawingFigure 1
  • EP2206453B1 patent drawingFigure 2
  • EP2206453B1 patent drawingFigure 3

AI summary

A high chair is convertible into multiple operative configurations to provide flexibility in utilization. The high chair includes a youth chair having a seat member affixed to a Z-shaped frame. A booster seat including a reclining seat back is mountable on the seat member such that the seat member is nested within the booster seat. A latch mechanism carried by the booster seat secures the booster seat to the seat member. A separate base member can also be nested into the bottom of the booster seat so that the booster seat can be utilized on a standard chair. The tray is mountable into the booster seat so that the tray can be utilized therewith irrespective of whether the booster seat is used in a high chair configuration or a booster seat configuration. The Z-frame incorporates telescopic support legs to define height adjustment for the high chair.