Rotating Child Seat Base With Pivoting Seatbelt Retainer
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Solution Overview
Problem
Existing child safety devices, particularly child seats, face challenges in securely attaching to vehicle seats and allowing flexible orientation adjustments for children's comfort and safety during transportation.
Innovation Solution
A child restraint system comprising a seat base with a pivotable seatbelt retainer and a juvenile seat that can be rotated and locked to the seat base, enabling secure attachment to a vehicle seat and allowing flexible orientation adjustments, including a mechanism to unlock the juvenile seat for easy access to the seatbelt retainer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the juvenile seat is permanently attached to the seat base, then the structure is simple and stable, but the seatbelt retainer cannot be accessed for proper installation
Solution Approach 1:
The juvenile seat is designed to be movable relative to the seat base, transitioning between a use position (attached) and a base-installation position (detached). This dynamic configuration allows the seat to be moved out of the way during installation to expose the seatbelt retainer, then returned to its normal position for use, resolving the contradiction between accessibility and structural simplicity.
2Ease of operation
If the juvenile seat is detached from the seat base, then the seatbelt retainer is accessible, but the child cannot be secured during transportation
Solution Approach 1:
The seat connection system provides a locked state that secures the juvenile seat to the seat base during normal operation, and an unlocked state that allows detachment for installation purposes. This dynamic locking mechanism ensures the seat is reliably attached when needed while enabling access to the seatbelt retainer during installation.
3Ease of operation
If the seatbelt retainer is fixed in position, then the structure is simple, but it cannot be properly installed when the juvenile seat is in use position
Solution Approach 1:
The seatbelt retainer is designed to pivot between an opened position (spaced away from the seatbelt path) and a closed position (overlying the seatbelt path). This pivoting motion allows the retainer to be properly installed and secured while maintaining a simple overall structure.
Data Source
AI summary
A child restraint includes a seat base adapted to be secured to a vehicle seat. The seat base includes a seat-base foundation formed to include a vehicle seatbelt path and a vehicle seatbelt retainer coupled to the seat-base foundation and configured to pivot between a released position spaced away from the vehicle seatbelt path and a clamped position overlying the vehicle seatbelt path to clamp a vehicle seat belt to the seat-base foundation to secure the seat base to the vehicle seat. The child restraint further includes a juvenile seat adapted to be secured to the seat base and a seat connection system configured to maintain connection between the juvenile seat and the seat base.