Removable Pacifier Toy Coupling via Transverse Tab
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Solution Overview
Problem
Existing combination pacifier-toy devices face issues with ease of cleaning, sanitary use, and safety, as they either separate too easily, leading to potential choking hazards or are not separable for proper cleaning.
Innovation Solution
A combination soother-toy device with a detachable coupling mechanism featuring a transverse tab and opening that requires a transverse motion for attachment and detachment, along with a secondary retainer to prevent choking hazards, allowing for easy cleaning and safe use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the toy and pacifier are separable for cleaning, then ease of cleaning is improved, but the device may separate too easily causing choking hazards
Solution Approach 1:
The device is divided into separable components (pacifier and toy) that can be detached for cleaning, yet the coupling mechanism ensures they remain securely connected during use. The transverse tab and opening design allows intentional separation while preventing accidental detachment from axial pulling forces.
Solution Approach 2:
The coupling mechanism transitions from axial connection to transverse connection. The tab extends transversely from the axial extension arm, and the opening is positioned to receive this transverse tab. This dimensional change ensures that axial pulling forces on the pacifier cannot cause separation, as the connection is maintained in the transverse direction.
2Reliability
If the coupling is secure to prevent separation, then safety is improved, but ease of separation for cleaning is reduced
Solution Approach 1:
The coupling mechanism uses transverse tab and opening geometry that is secure against axial forces but allows transverse manipulation for separation. The retaining head on the tab engages with the opening in a way that requires deliberate transverse motion to disengage, providing both security during use and controllability for cleaning.
Solution Approach 2:
The coupling mechanism is designed to be dynamically responsive to the type of force applied. During normal use, axial forces are resisted by the transverse connection geometry. For separation, a deliberate transverse motion overcomes the engagement, allowing controlled detachment when needed.
3Reliability
If a secondary retainer is added for safety, then reliability is improved, but device complexity increases
Solution Approach 1:
The secondary retainer (tether or wings) is incorporated as a backup safety feature that engages only if the primary transverse tab connection fails. This redundant element provides additional protection against separation and choking hazards without interfering with the primary coupling function during normal operation.
Data Source
AI summary
A combination soother-toy device includes a soothing device such as a pacifier, a toy such as a plush animal character, and a coupling that removably attaches them together. In some embodiments, the coupling includes a transverse tab and a transverse opening that couple and decouple by a transverse motion. In this way, the axial pulling motion and forces that babies often apply to the toy when holding the pacifier in its mouth do not cause the components to separate. In some embodiments, the tab (transverse or not) is retained on the toy by a primary attachment such as stitching and a secondary retainer for redundancy as a safety feature. For example, the secondary retainer can be a tether attaching the tab extension arm to the toy, or wings extending from the tab extension arm laterally beyond the toy opening through which the extension arm extends.