Infant seat with angle adjustment function

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Solution Overview

Problem

Conventional infant seats are limited to single functions such as changing, napping, or serving as a bassinet, lacking versatility and convenience in use.

Innovation Solution

An infant seat design featuring a seat back member, seat support member, and a locking mechanism with gear tooth structures that allows for adjustable tilt angles, enabling the seat to be used for multiple purposes like sitting, reclining, or lying positions through a sliding gear mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the infant seat is designed with a fixed structure for single-purpose use (changer, napper, or bassinet), then the structural simplicity is maintained, but the versatility and convenience of the seat are limited

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

Solution Approach 1:

The patent applies the dynamics principle by transforming the fixed infant seat structure into an adjustable one. The seat back member is made rotatable relative to the seat support member through a locking mechanism with gear tooth structures, allowing the seat to dynamically change between multiple positions (sitting, reclining, lying) to serve different functions while maintaining structural integrity

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the infant seat uses a simple fixed structure, then the ease of manufacture is improved, but the functionality is limited to singular purposes

Engineering Contradiction:
ImprovefunctionalityVSAvoidmanufacturing
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent applies segmentation by dividing the seat structure into distinct functional components: a seat support member and a seat back member that can rotate relative to each other. The locking mechanism is further segmented into outer hub, inner hub, and slide gear components with gear tooth structures, allowing independent manufacturing and assembly of each segment while achieving multi-functionality

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If the infant seat is designed with adjustable tilt angles through a locking mechanism, then the convenience and comfort are enhanced, but the device complexity increases

Engineering Contradiction:
ImproveconvenienceVSAvoidmechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent applies the self-service principle through the locking mechanism design where the slide gear automatically engages with the gear tooth structures on the outer and inner hubs to lock the seat back at adjusted positions. The mechanism uses spring elements to provide automatic locking without requiring additional actuators or complex control systems, maintaining ease of operation while enabling angle adjustment

Inventive Principle:
Principle #25Self-service

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 the convenience of the infant seat by allowing it to serve multiple care functions, providing comfort and flexibility in different modes of use, such as sleep, activity, or nap modes.

Implementation Method 1

The at least one outer hub has a first gear tooth structure. The inner hub has a second gear tooth structure. The slide gear is slidable within the at least one outer hub and the inner hub for engaging with the first gear tooth structure and the second gear tooth structure

Methodology Applied
Scientific EffectGear mechanism: Gear

Data Source

PatentUS11700952B2Infant seat with angle adjustment function
Publication Date: 2023.07.18 WONDERLAND SWITZERLAND AG
  • US11700952B2 patent drawing
  • US11700952B2 patent drawing
  • US11700952B2 patent drawing

AI summary

An infant seat includes a seat back member including an outer hub, a seat support member including an inner hub, a seat structure connected to the seat back member, and a locking mechanism including a slide gear and operably disposed on the seat back member. The inner hub is pivotably connected to the outer hub to make the seat back member rotatably connected to the seat support member for forming a cross bar structure. The slide gear is slidable within the outer and inner hubs for engaging with the outer and inner hubs to stop rotation of the inner hub on the outer hub. When the locking mechanism translates the slide gear to an unlocked position, the slide gear is disengaged from the outer hub to make the seat back member rotatable relative to the seat support member for adjusting a tilt angle of the seat structure.