Child Resistant Container Inverting Cap Bottom Lift Mechanism
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Solution Overview
Problem
Existing child-resistant container designs fail to effectively prevent children from accessing potentially harmful spray products, as they can be tampered with or opened using simple force, lacking a secure mechanism to inhibit accidental activation of the spray mechanism.
Innovation Solution
A child-resistant container with an inverting cap bottom lift mechanism, featuring a container main body, inner cap, and outer cap, where the outer cap can be inverted to align lift rods with slots on the container bottom, pushing the sprayer container's activator up for use while maintaining secure locking to prevent accidental activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing child-resistant container designs are used, then some basic protection is provided, but they can be tampered with or opened using simple force, failing to effectively prevent children from accessing harmful spray products
Solution Approach 1:
The cap is divided into two distinct parts: an inner cap that threads onto the container and an outer cap that snaps onto the inner cap. The spray activator is integrated into the outer cap, creating separate functional zones that work together to provide both child resistance and ease of activation.
Solution Approach 2:
The outer cap is designed to be dynamically removable and reattachable. When removed, the spray activator is exposed for use; when reattached, it restores child-resistant protection. This dynamic configuration allows the system to switch between protected and accessible states.
2Reliability
If a secure locking mechanism is implemented to prevent child access, then child safety is improved, but the mechanism becomes complex and difficult to operate
Solution Approach 1:
The spray activator function is extracted from the container and integrated into the outer cap. This allows the activation mechanism to be separated from the locking mechanism, simplifying the overall design while maintaining security through the two-cap system.
Solution Approach 2:
Instead of requiring children to overcome a complex locking mechanism to access the spray, the design inverts the approach: the outer cap with the activator is easily removable by adults, and when reattached, it provides security. The security function is inverted from an active lock to a passive barrier that restores protection when the cap is replaced.
3Ease of operation
If the spray activator is always exposed for easy access, then ease of operation is improved, but children can accidentally activate or access the harmful contents
Solution Approach 1:
The outer cap serves as an intermediary element between the child and the spray activator. When the outer cap is attached, it physically blocks access to the activator and contents. When removed by an adult, it exposes the activator for intended use, mediating between safety and accessibility.
Solution Approach 2:
The outer cap provides preliminary protection by covering and securing the spray activator before use. This pre-established barrier prevents accidental activation or access by children, and must be intentionally removed by an adult to enable spray function.
Data Source
AI summary
A child resistant container with inverting cap bottom lift features has a container main body adapted to receive a sprayer container with a top-positioned spray activator, and has at least one lift rod slot on its bottom; an inner cap for permanent connection to the open top of the container after a spray container is placed therein; and an outer cap with at least one downwardly projecting lift rod. The inner cap has a spray activator orifice large enough to permit a spray activator of a spray container to pass therethrough and small enough to prevent a spray container connected to the spray activator from passing therethrough. A user removes the outer cap, inverts it and pushes up through the bottom to raise up the spray container enough to expose the spray activator and its nozzle for spray use.