Foldable Bassinet Accessory with Integrated X-Frame Folding Mechanism
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Solution Overview
Problem
Conventional playards are cumbersome to set up and stow away due to complicated folding and latching mechanisms, are bulkier and more expensive to manufacture, and often fail to meet safety standards or compromise ease of use and visibility for caregivers.
Innovation Solution
A foldable playard design with simplified frame structures using X-frame assemblies and a single latch mechanism, combined with a secure canopy cover and bassinet accessory that folds seamlessly with the frame, ensuring stability and ease of use while meeting safety standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional folding and latching mechanisms are used in playards, then structural stability is maintained, but setup and storage become cumbersome and complex
Solution Approach 1:
The playard frame is divided into modular X-frame assemblies that can be independently folded and latched. Each X-frame assembly includes two tubes forming an X-shape with pivot connections, allowing segmented folding action. The latch mechanism is also segmented with individual latches for each X-frame assembly, enabling simplified step-by-step operation rather than complex coordinated movement of a single large mechanism.
Solution Approach 2:
The X-frame assemblies incorporate pivot connections that enable dynamic transformation between extended (open) and folded (closed) configurations. The tubes can rotate relative to each other at the pivot points, providing smooth transitional motion. This dynamic capability allows the playard to easily transition between operational and storage states without requiring complex locking/unlocking sequences.
2Reliability
If multiple latching points are used to ensure stability, then structural reliability improves, but the number of parts and manufacturing cost increase
Solution Approach 1:
Each X-frame assembly serves multiple functions: it provides structural support, enables folding through pivot connections, and incorporates a latch mechanism for stabilization. The same X-frame tubes that form the structural skeleton also serve as the latching surfaces. This multi-functionality reduces the need for separate stabilization components while maintaining reliability.
Solution Approach 2:
The latch mechanism is integrated within the X-frame assembly structure itself rather than being a separate external component. The latch engages with features formed by the X-frame tubes, nesting the locking function within the structural framework. This integration reduces the overall number of parts while maintaining the necessary latching functionality for stability.
3Adaptability or versatility
If a bassinet accessory is added to the playard, then functionality and caregiver accessibility improve, but the overall device complexity and manufacturing cost increase
Solution Approach 1:
The bassinet accessory is merged with the playard frame structure, sharing common components such as the X-frame assemblies and latch mechanisms. The bassinet is positioned within the enclosed space defined by the playard frame, utilizing the same structural support elements. This combining approach allows the bassinet to be integrated without requiring a completely separate support structure, thereby reducing overall complexity.
Solution Approach 2:
The X-frame assemblies and latch mechanisms serve dual purposes: they provide structural support for the playard enclosure and simultaneously support the bassinet accessory. The same tubes and connections that stabilize the playard also stabilize the bassinet, eliminating the need for separate support systems and reducing manufacturing complexity.
4Ease of manufacture
If frame structures are simplified to reduce manufacturing cost, then production expense decreases, but structural integrity and safety compliance may be compromised
Solution Approach 1:
The X-frame assemblies utilize tubular structures that provide high strength-to-weight ratio. The tubular geometry distributes loads efficiently along the tube walls, maintaining structural integrity while using less material than solid bars would require. This composite-like efficiency in material usage reduces manufacturing cost while preserving the necessary strength and safety compliance.
Solution Approach 2:
The X-frame assemblies are pre-configured with pivot connections and latch features during manufacturing, allowing for simplified assembly on the production line. The tubular structures are formed with integrated connection points and latching surfaces, eliminating the need for additional field assembly steps. This preliminary preparation reduces both manufacturing complexity and assembly time while maintaining structural integrity.
Data Source
AI summary
A bassinet accessory for a foldable playard, wherein the bassinet and playard are folded and unfolded together. When unfolded, the bassinet is relatively shallow from a top of the playard so that a caregiver may more easily place a child into, and remove the child from, the bassinet. A bassinet mattress is supported by a central hub on the bottom of the bassinet and four support tubes coupled to the hub and extending to respective bottom corners of the bassinet. During folding, the bassinet hub travels in a vertical direction and the support tubes rotate from a horizontal to a vertical position, becoming parallel with respective legs of the playard. Thus, in the compact folded configuration, the bassinet hub is surrounded by and within the folded frame of the playard or flush with the top of the playard (so as not to appreciably extend beyond a top of the playard).