Rotating Container Dispenser with Gravity-Induced Auto-Closing
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Solution Overview
Problem
Conventional dispensers lack an efficient mechanism for automatically closing after use, leading to potential exposure of stored substances to air, humidity, and pests, and require manual handling which can be cumbersome.
Innovation Solution
A self-closing dispenser design featuring a rotating container with a cover element that automatically returns to the closed state using mechanisms such as gravity-induced torque, spring-induced torque, magnetic torque, or motor operation, allowing for easy access and sealing of the dispensing opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual closing mechanism is used, then device complexity is reduced, but ease of operation deteriorates due to cumbersome handling
Solution Approach 1:
The container automatically closes itself after being opened, eliminating the need for manual closing operations. The self-closing mechanism uses the container's own weight and a pivot connection to return to the closed position automatically after access, making the system serve itself rather than requiring user intervention for closing.
2Ease of operation
If container remains open for access, then ease of operation improves, but reliability deteriorates due to exposure to environmental factors
Solution Approach 1:
The container transitions dynamically between open and closed states based on usage needs. The pivot connection enables smooth rotation between these states, allowing the container to be opened easily for access and then automatically return to the sealed closed position, maintaining reliability while preserving ease of operation.
3Reliability
If automatic closing mechanism is added, then reliability improves through consistent sealing, but device complexity increases
Solution Approach 1:
The closing function is segmented into a separate rotatable container module with its own pivot connection and weight-based return mechanism, independent from the base structure. This modular segmentation allows the automatic closing feature to be added without fundamentally redesigning the entire system, limiting the increase in overall complexity.
Solution Approach 2:
The container's weight acts as a counterweight that automatically returns the container to the closed position after opening. This passive gravity-based mechanism provides reliable automatic closing without requiring active motors or complex control systems, maintaining simplicity while ensuring consistent sealing.
4Manufacturing precision
If rotation axis is at center of mass, then manufacturing precision is improved, but ease of operation deteriorates due to lack of automatic closing
Solution Approach 1:
The rotation axis is deliberately positioned asymmetrically relative to the container's center of mass, creating an offset that generates automatic closing torque. This asymmetric positioning causes the container to naturally return to the closed position after opening, providing automatic closing functionality while maintaining precise rotational alignment through the pivot connection.
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 dispenser provides improved sealing and ease of use, automatically closing after access, protecting contents from environmental exposure and allowing single-handed operation, enhancing convenience and storage integrity.
Implementation Method 1
A weight element mechanically coupled to the container at an offset from the rotation axis so as to induce the rotation of the container from the open state to the closed state by Gravity-induced torque
Implementation Method 2
A spring element mechanically coupled to the container and the base so as to induce the rotation of the container from the open state to the closed state by spring-induced torque
Implementation Method 3
An elastic band element mechanically coupled to the container and the base so as to induce the rotation of the container from the open state to the closed state by elasticity-induced torque
Implementation Method 4
A first magnet element mechanically coupled to the container; the first magnet element maintains a magnetic relation with a second magnet element mechanically coupled to the base so as to induce the rotation of the container from the open state to the closed state by magnet-induced torque
Data Source
AI summary
A dispensing device, comprising a container, one or more support members mechanically coupled to one or more of the lateral walls, a base which has one or more supporting arms and a cover element mechanically coupled to one or more of the supporting arms to remain fixed while said container rotates around said rotation axis. The container includes a storage portion defined by a circumferential wall and two or more lateral walls with a dispensing opening defined in the circumferential wall. The supporting arm(s) support rotation of the container from a closed state to an open state and vice versa. The rotation is held around a rotation axis defined by a location of the support member(s). The cover element covers the dispensing opening when the container is rotated into the closed state and does not cover the dispensing opening when the container is rotated into the open state.