Kinematic Container Closure for Spill-Proof Beverage Access
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Solution Overview
Problem
Conventional container lids do not provide a complete seal, leading to spillage and leakage when tilted, and require unscrewing for access, which is inconvenient and potentially dangerous, especially while driving.
Innovation Solution
A kinematically linked closure system with a lid, lever, yoke, and spring mechanism that moves through various positions to seal and unseal the container opening, maintaining a constant interior volume and eliminating the need for a second vent opening by tilting the lid about its center of pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional lid is screwed onto the container opening, then spillage is prevented when the container is tipped, but immediate access to contents is prevented and unscrewing is required before each use
Solution Approach 1:
The lid is transformed from a static screwed closure to a dynamic hinged closure that can pivot between a closed sealed position and an open position. The hinge mechanism allows the lid to rotate about an axis, enabling it to move from completely covering the opening to being fully displaced, providing immediate access without unscrewing while maintaining spillage prevention when closed
2Ease of operation
If a lid with two openings (beverage opening and vent opening) is used, then air can enter to prevent vacuum formation, but the container is never completely sealed and spillage occurs when tipped
Solution Approach 1:
The separate vent opening is eliminated and its function is integrated into the single beverage opening. The hinged lid design allows the opening to serve both purposes: when closed it provides a complete seal, when opened it allows both beverage flow and air replacement. The lid edges engage with the opening in a manner that maintains sealing while allowing the opening to perform multiple functions
3Ease of operation
If a friction fit lid is used, then the lid can be easily removed, but the seal is improper and beverage leaks when the container is tilted
Solution Approach 1:
The static friction fit is replaced with a dynamic hinged connection that provides both secure sealing and easy operation. The hinge mechanism creates a controlled connection that maintains proper sealing engagement while allowing the lid to be easily opened by pivoting, eliminating the need for forceful removal associated with friction fits
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 closure system effectively prevents spillage and splashing by forming a complete seal while allowing easy access to the contents, maintaining a constant interior volume and withstanding pressure within the container.
Implementation Method 1
The closure also comprises a spring system including a springfront, a springrear, and a spring, and the spring system is likewise mechanically connected to the other components
Implementation Method 2
eliminating the need for a second vent opening in a container by utilizing a lid portion that is tiltable about a center of pressure thereon
Data Source
AI summary
An adjustable seal that is kinematically linked to a container to provide a complete seal of the container opening and to allow easy access to contents therein. The seal includes a lid portion and a sealing means, as well as a lever and a yoke, which are kinematically linked together via a plurality of pivot points. The seal also comprises a spring system having a springfront, a spring rear, and a spring, and the spring system is likewise mechanically connected to the other components. Due to this kinematic linkage, the closure is moveable among different positions to provide various degrees of access to and from the container via the container opening. As a result, the sealing system of the present invention protects against spillage and splash by completely sealing the container opening, as well as provides easy access to the contents of the container.