Adjustable Dial Indicators for Medication Caps
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing container assemblies for medicine bottles lack effective mechanisms to securely and safely manage variable indicators for medication schedules, leading to potential misuse or mismanagement of medication.
Innovation Solution
The development of adjustable indicators for container closures, which include a gear assembly that translates user motion into dial rotation, ensuring secure alignment of indicia with passageways, and a ratchet/stopper mechanism to prevent unintended dial movement, integrated within a cap assembly that securely houses the gear and dial components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a gear assembly is used to translate user motion into dial rotation, then the indicator adjustment functionality is improved, but the device complexity increases
Solution Approach 1:
The gear assembly integrates multiple functions into a single compact mechanism: the first gear translates linear user motion into rotation, the second gear provides mechanical advantage and controlled rotation, and the third gear transfers motion to the dial. This merging of motion translation, force multiplication, and dial activation into one integrated gear train resolves the contradiction by achieving complex functionality through a unified, space-efficient design that minimizes overall device complexity while maintaining operational ease.
Solution Approach 2:
The gear assembly employs a nested arrangement where multiple gears are positioned within the closure space, with each gear subassembly contained within the overall cap structure. The first gear, second gear, and third gear are arranged in sequence within the limited space, with the dial positioned at the periphery. This nesting approach allows the complex gear mechanism to fit within the compact cap geometry, resolving the contradiction between functional capability and device complexity by efficiently packing the mechanism into the available volume.
2Reliability
If a ratchet/stopper mechanism is implemented to prevent unintended dial movement, then the reliability of medication scheduling is improved, but the device complexity increases
Solution Approach 1:
The ratchet mechanism is pre-configured to automatically prevent counter-clockwise rotation of the dial, while the stopper mechanism is pre-positioned to block unintended movement. These preventive features are built into the structure before use, requiring no additional user action to activate. The ratchet teeth and stopper elements are permanently integrated into the gear assembly and dial structure, providing reliable protection against medication schedule errors while adding minimal complexity to the overall device.
Solution Approach 2:
The mechanical constraints are built into the dial and gear assembly structure, with ratchet teeth and stopper elements pre-positioned to automatically engage and prevent unintended rotation. This preliminary configuration ensures that the reliability function is always active without requiring additional components or complex control systems, resolving the contradiction by embedding the protective mechanism directly into the existing structure.
3Manufacturing precision
If multiple gear subassemblies are integrated within the closure space, then the indicator control precision is improved, but the manufacturing complexity increases
Solution Approach 1:
The gear assembly is divided into distinct subassemblies: a first gear subassembly, a second gear subassembly, and a third gear subassembly, each with specific manufacturing requirements. The dial is positioned at the periphery as a separate component. This segmentation allows each gear to be manufactured and quality-checked independently, with precise tooth profiles and spacing controlled for each subassembly. The modular segmentation resolves the manufacturing complexity by enabling independent fabrication and assembly of precision components rather than requiring monolithic manufacturing.
Solution Approach 2:
The gear assembly uses standardized gear components that can be manufactured using common machining processes. The first gear, second gear, and third gear all follow similar design principles with uniform tooth profiles and mounting methods, allowing for standardized manufacturing techniques to be applied across all subassemblies. This universality reduces manufacturing complexity by applying repeatable processes while achieving the required indicia alignment precision through careful gear ratio design and assembly procedures.
Data Source
AI summary
Adjustable indicators for containers and methods for using and making the same are provided. In one embodiment, a method for changing the portion of indicia on a dial within a closure of a bottle cap that is visible to a user through a passageway in the bottle cap may include rotating the dial with respect to the closure by a first amount in a particular direction about a particular axis by forcing the dial towards a base for physically interacting with the base, and rotating the dial with respect to the closure by a second amount in the particular direction about the particular axis by forcing a button towards the dial for physically interacting with the dial. Additional embodiments are also provided.