Child Resistant Cap With Living Hinge And Angled Snaps
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Solution Overview
Problem
Conventional child-resistant lids and caps for medicine dispensers can be difficult for seniors to open and costly to manufacture, while existing designs may not effectively prevent access by children.
Innovation Solution
A child-resistant dispenser featuring a cap with a base and lid secured by snaps and a flexible living hinge, incorporating a sealing ring and angled snaps that require user engagement to open, with a seamless closure mechanism to reduce leverage points and prevent tampering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional child resistant lids and caps are used, then child resistance is improved, but ease of operation for seniors deteriorates
Solution Approach 1:
The cap incorporates a living hinge that enables dynamic movement between open and closed positions, allowing seniors to easily manipulate the cap through simple pressing and lifting motions while maintaining child resistance through the snap engagement mechanism
Solution Approach 2:
The cap design changes the operational parameters by requiring a specific sequence of actions (press down, lift, rotate) with controlled forces, making it difficult for children who cannot apply sufficient force or coordinate the sequence, while remaining manageable for seniors with reduced dexterity
2Reliability
If conventional child resistant lids and caps are used, then child resistance is improved, but manufacturing cost increases
Solution Approach 1:
The cap is formed as a one-piece molded structure integrating the base, lid, living hinge, and snap features into a single component, eliminating the need for separate parts and assembly steps, thereby reducing manufacturing complexity and cost while maintaining effective child resistance
Solution Approach 2:
The cap can be molded in different colors or with color-coded features to indicate proper orientation or usage, providing visual guidance to users without adding complex mechanical elements, thus maintaining cost-effectiveness
3Reliability
If conventional child resistant lids and caps are used, then child resistance is improved, but device complexity increases
Solution Approach 1:
Multiple functional elements (retention ring, living hinge, snap mechanism, sealing surface) are merged into a single one-piece molded cap, simplifying the overall device structure while maintaining child resistance functionality
Solution Approach 2:
The one-piece cap design serves multiple functions simultaneously: the living hinge provides movement, the snap provides locking, the integrated rim provides sealing, and the molded structure provides structural integrity, reducing the need for multiple separate components
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 design ensures secure access for adults while being challenging for children to open, addressing the issues of senior usability and manufacturing costs, and providing an effective child-resistant mechanism.
Implementation Method 1
The cap can include a base and a lid. The base can be coupled to a top portion or neck of the bottle to secure the cap to the bottle. The lid can include one or more snaps for securing to the lid to the base when the cap is in a closed positioned.
Data Source
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AI summary
A cap for a child resistant and senior friendly dispenser which can be used to hold or retain medicine such as, for example, pills. The dispenser can include a bottle and a bottle cap. The cap can restrict access to the contents of the bottle based on one or more incorporated child resistant features. The cap includes a base (104) and a lid (106). The base can be coupled to a top portion or neck of the bottle to secure the cap to the bottle. The lid includes one or more snaps (118, 120, 122) for securing to the base when in a closed positioned. The base includes one or more corresponding recesses or slots (128) for accepting and securing the snaps.