Package Retaining Panel with Parallelogram Mechanism
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Solution Overview
Problem
Conventional transport packages with bungee cords as retaining means face issues where the cords may be either insufficient to hold objects securely or overly tensioned, causing sudden lid opening and complicating closure, especially with bulky objects.
Innovation Solution
The package employs a deformable parallelogram mechanism with compression means that reduces the elastic deformation capacity of the elastic links when the cover is closed, allowing for effective object retention without sudden lid opening, using a combination of front and rear elastic links and deployable members to guide the plate and manage tension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bungee cords with greater restoring force are used to hold objects securely, then object retention improves, but the lid opens abruptly when closing
Solution Approach 1:
The patent changes the physical state of the elastic links from fully extended to compressed by introducing compression means. This parameter change allows the elastic links to store potential energy in a controlled manner, providing strong retention force when needed while preventing abrupt lid opening during closing operations.
Solution Approach 2:
The patent introduces deployable members that can dynamically adjust the configuration of the elastic links between extended and compressed states. This dynamic mechanism allows the system to adapt its behavior based on operational needs, providing strong retention during transport while enabling smooth lid closing when the deployable members are retracted.
2Reliability
If bungee cords are made larger to increase restoring force, then object retention improves, but device complexity increases
Solution Approach 1:
The patent divides the restraint system into modular components: elastic links, deployable members, and compression means. This segmentation allows each component to perform a specific function, simplifying the overall design while achieving reliable object retention through the coordinated action of these standardized modules.
3Reliability
If elastic return means are used to press the platform against the bottom, then object retention improves, but the lid opening becomes abrupt
Solution Approach 1:
The patent pre-compresses the elastic links using compression means before the lid closing operation. This beforehand cushioning stores potential energy in a controlled manner, preventing the abrupt release that would cause sudden lid opening while still providing sufficient retention force for object security.
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
This design ensures better object retention during shocks and maintains easy package closure, as the tension is managed to provide sufficient holding force without sudden release or increased difficulty in closing, especially with bulky items.
Implementation Method 1
The coupling mechanism incorporates elastic return means to bring the platform back into a position pressed against the bottom
Implementation Method 2
compression means for reducing an elastic deformation capacity of the at least one elastic link
Data Source
Figure 1~2
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Figure 5~6
AI summary
The invention relates to a package (1) comprising: - a box (2) defining a cavity, the cavity being delimited by inner faces (24); - closure means for closing the cavity, comprising a lid (3), the closure means being mounted on the box (2) so as to be movable between an open position allowing access to the cavity and a closed position closing access to the cavity; - retaining means (4) comprising a panel (41) for pressing an object against one of the inner faces (24) of the box (2), referred to as the support face, and a coupling mechanism for coupling the panel (41) to the lid (3) and to the box (2), the coupling mechanism comprising resilient return means (6) for returning the panel (41) into a position in which the panel (41) is pressed against the support face.