Play Yard Child Support Unit With Detachable Secure Couplings
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Solution Overview
Problem
Existing play yard devices lack effective and versatile child support units that can be securely and easily attached to the frame, providing a safe and comfortable environment for infants and small children.
Innovation Solution
A child support unit with a subframe and couplings for attachment to the play yard frame, including a bassinet or cradle-like enclosure and a changing table attachment, utilizing mounting bars and ferrule couplings for secure and detachable mounting, with optional accessories like trays for holding items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If child support units are added to play yards, then safety and comfort for infants are improved, but device complexity increases
Solution Approach 1:
The child support unit is designed as a separate, modular assembly that can be independently attached to the play yard frame. This segmentation allows the support unit to be developed and tested independently, ensuring safety requirements are met while keeping the overall system manageable in complexity.
Solution Approach 2:
The coupling mechanism is designed to accommodate multiple types of child support units ( bassinets, cribs, changing tables) on a single play yard frame. This universal interface reduces the need for multiple specialized attachment systems, thereby reducing overall device complexity while maintaining safety across different configurations.
2Reliability
If secure attachment mechanisms are implemented, then reliability of mounting is improved, but ease of operation deteriorates
Solution Approach 1:
The attachment system is divided into discrete coupling elements: mounting bars with ferrule couplings at one end and corresponding receptacles on the frame at the other. This segmentation allows for simple, tool-free attachment by aligning and inserting components, maintaining ease of operation while ensuring secure connection through the interlocking design.
Solution Approach 2:
Instead of requiring complex locking mechanisms that are difficult to operate, the design inverts the approach by using gravity-assisted insertion where the mounting bars naturally settle into the receptacles. The security comes from the structural interlocking rather than complex fasteners, making attachment intuitive and easy while maintaining reliability.
3Adaptability or versatility
If versatile child support options are provided, then adaptability is improved, but device complexity increases
Solution Approach 1:
The play yard frame is equipped with universal mounting locations and coupling receptacles that can accommodate various types of child support units including bassinets, cribs, and changing tables. This universal interface allows a single frame to support multiple functions without requiring separate specialized attachment systems for each type, thereby achieving versatility without proportionally increasing complexity.
Solution Approach 2:
The attachment system allows for dynamic reconfiguration where parents can easily attach and detach different child support units based on current needs. The modular design enables the play yard to adapt to changing requirements (sleeping, changing, playing) by simply swapping units rather than reconfiguring the entire structure, maintaining simplicity while achieving high adaptability.
Data Source
AI summary
A play yard system for infants or small children. They play yard includes a frame, and the system includes at least one child support unit for mounting to the frame of the play yard. The at least one child support unit may take the form of a bassinet and/or a changing table. The play yard frame may be collapsible for storage and transport, and the child support unit may be removable from the play yard frame.