Sleeve-and-drawer package with deformable release tab
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Solution Overview
Problem
Existing sleeve-and-drawer style packaging faces challenges in providing a child-resistant and senior-friendly locking mechanism that is easy to use while maintaining durability and minimizing production and shipping costs, with current unlocking mechanisms often requiring dexterity and coordination, making them less accessible for seniors and more prone to failure with repeated use.
Innovation Solution
A two-part locking mechanism with a depressible zone defined by oppositely positioned cut or frangible side edges, which is deformable to unlock the mechanism, providing a more intuitive and resilient release mechanism that can withstand repeated use, and is designed to be user-friendly for seniors while preventing unauthorized access by children.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional unlocking mechanism is used, then the package is child-resistant, but it requires dexterity and coordination that makes it difficult for seniors to operate
Solution Approach 1:
The unlocking mechanism is segmented into two distinct actions: pressing the tab and sliding the drawer. This segmentation allows the mechanism to provide clear tactile feedback and intuitive operation for seniors while maintaining child resistance through the coordinated two-step process
Solution Approach 2:
The release tab acts as an intermediary element between the user and the locking mechanism. It provides a large, easy-to-press surface that translates simple downward pressure into the unlocking action, making the mechanism senior-friendly without compromising security
2Reliability
If a complex unlocking mechanism is used to ensure child resistance, then security is improved, but the mechanism becomes more prone to failure with repeated use
Solution Approach 1:
The complex internal locking mechanism is replaced with a simpler system where the release tab directly actuates the unlocking action. This extraction of complexity reduces the number of moving parts and potential failure points while maintaining child resistance through the design of the tab and drawer engagement
3Reliability
If material is added to improve durability and repeated use, then reliability is improved, but production and shipping costs increase
Solution Approach 1:
The release tab is designed as a flexible, thin element that can be integrated into the existing package structure. This flexible design provides durability through repeated deformation while using minimal material, keeping production and shipping costs low
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances user experience by improving child resistance, providing a more intuitive unlocking process for seniors, and ensuring secure, reliable access to package contents, while maintaining package durability and minimizing material usage for cost-effectiveness.
Implementation Method 1
the depressible zone is structured and arranged such that the depressible zone is deformable below the plane of the said panel to cause the two-part locking mechanism to be unlocked
Data Source
AI summary
A lockable child-resistant, senior-friendly package of the sleeve-and-drawer style may be utilised for in healthcare type applications for the unit dose dispensing of pharmaceutical tablets, capsules and lozenges; in consumer good packaging applications for items such as food, recreational drugs (e.g., tobaccos, cigars, cigarettes, etc.), toys, hardware, and electrical items, or the like; and in security package applications to deter package pilferage for small high-value items, such as consumer electronics. The sleeve-and-drawer style package has an internal slidable lockable receptacle, having a two-part locking mechanism and an improved release mechanism.