Scissor-Lever Shell Opener with Elastic Divarication for Reduced Force
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Solution Overview
Problem
Existing shell-opening devices are difficult to use, require excessive force, are prone to damage, and lack versatility for processing other foods, making them inefficient and cumbersome.
Innovation Solution
A multipurpose device with scissor-like levers and elastic elements that automatically divaricate, featuring interchangeable blades for efficient shell opening and additional food processing tasks, with a compact design and ergonomic handles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional shell-opening devices with single blades are used, then the device structure is simple, but the device requires excessive manual force and is difficult to operate
Solution Approach 1:
The patent applies the dynamics principle by implementing levers that can alternate between two positions: a compact position for storage and a divaricated position for operation. The levers are designed to move from a parallel compact arrangement to a diverged operational arrangement, enabling automatic blade separation when activated. This dynamic transformation allows the device to transition from a space-saving state to an effective shell-opening state, reducing the manual force required while maintaining structural simplicity.
2Reliability
If blades are made robust to withstand repeated use, then the device becomes more durable, but the blades become heavier and more cumbersome
Solution Approach 1:
The patent applies segmentation by dividing the blade system into two separate blades attached to different levers, rather than using a single heavy blade. Each blade is lighter individually, but together they provide the necessary robustness for repeated use. The segmented design allows each blade to be optimized for its specific function while reducing the overall weight compared to a single heavy blade, and the blades can be independently replaced if damaged.
3Adaptability or versatility
If the device is designed for specialized shell opening, then the device structure is simplified, but the device lacks versatility for other food processing tasks
Solution Approach 1:
The patent applies the universality principle by designing the device with interchangeable blades that can be attached to the lever system. The core lever mechanism remains simple and specialized for shell opening, but different blade types can be swapped in to perform additional food processing tasks. This multi-functionality approach maintains the simplicity of the basic device structure while adding versatility through interchangeable components, allowing the same lever system to serve multiple culinary purposes.
4Volume of moving object
If two levers are disposed side by side in parallel planes, then the device achieves compact position, but the blades cannot be effectively divaricated to open shells
Solution Approach 1:
The patent applies dynamics by designing the levers to alternate between two distinct positions: a compact position where the levers are parallel and side-by-side for storage, and an operational position where the levers diverge to separate the blades. The hinging mechanism enables this dynamic transformation, allowing the levers to pivot from a parallel arrangement to a diverged arrangement when force is applied. This dynamic design resolves the contradiction by providing both compactness for storage and effective blade separation for operation.
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 device is robust, easy to use, and versatile, allowing for efficient shell opening and various food processing operations, maintaining effectiveness and durability while being space-efficient.
Implementation Method 1
an elastic element (7) arranged between the first lever (1) and the second lever (2) so as to constantly push the two levers (1, 2) into the divaricated position
Data Source
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AI summary
A multipurpose device (100) for the opening of shells and for other processing operations; the device (100) comprises a first lever (1) and a second lever (2) hinged in a scissor-like manner with respect to a pin (5) having a hinging axis (X5) and lying on two parallel planes orthogonal to the hinging axis in such a way to be disposed in a compact position, wherein the two levers are superimposed on each other; the device (100) further comprises two blades (3, 4) that are connected to the two levers (1, 2) and lie on two parallel planes orthogonal to the hinging axis (X5), in such a way that, when the two levers (1, 2) are in compact position and superimposed on each other, also the two blades (3,4) are superimposed on each other; the device (100) further comprises an elastic element (7) disposed between the first lever (1) and the second lever (2), in such a way to constantly push the two levers (1, 2) into a divaricated position.