Child Seat Base With Integrated Restraint Strap Storage
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Solution Overview
Problem
Conventional child safety seat assemblies face issues with the storage and retrieval of restrain straps, which can be lost or inconvenient to use, especially when the base is not required for attachment to a vehicle seat.
Innovation Solution
A child safety seat assembly with a base featuring a storage cavity accessible from the outer side, allowing convenient storage and retrieval of the restrain strap while the child seat remains installed, incorporating a shell body with a support platform and adjustable extensions for secure attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the restrain strap is stored separately from the base, then the base structure can be simpler, but the strap may be inadvertently lost
Solution Approach 1:
The patent integrates the storage cavity for the restrain strap directly into the base structure, merging two previously separate functions (base support and strap storage) into a single unified component. This eliminates the risk of losing the strap while maintaining relatively simple base construction.
Solution Approach 2:
The restrain strap is stored within a cavity that is nested inside the base structure. The strap fits into a dedicated space within the base, similar to nested dolls, ensuring it remains securely housed without adding external complexity.
2Reliability
If the restrain strap is held with the base in a slack manner, then the strap is retained, but the arrangement is not convenient in use
Solution Approach 1:
The storage cavity is positioned and configured in advance within the base structure to provide ready access to the restrain strap. The cavity location and opening are designed beforehand to facilitate easy retrieval and retraction of the strap during installation and removal operations, eliminating the need for complex manipulation.
3Ease of operation
If the storage cavity is accessible from the outer side of the base, then the strap can be conveniently stored and retrieved, but the base structure becomes more complex
Solution Approach 1:
The outer side of the base structure serves dual functions: it maintains the primary structural support role and simultaneously provides access to the storage cavity for the restrain strap. This multi-functionality allows convenient strap retrieval without requiring separate access points or additional structural elements.
Data Source
AI summary
A child safety seat assembly includes a base and a child seat. The base comprises a shell body, and a support platform provided at an upper side of the shell body on which the child seat can be installed. The shell body includes a first portion having a bottom adapted to provide stable resting support, and a second portion extending upward from the first portion, wherein the shell body includes a storage cavity accessible from an outer side of the second portion. The storage cavity can be sized to receive free end portions of a restrain strap used for holding the base in place.