Cutting Apparatuses
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Solution Overview
Problem
There is a lack of safe and easy-to-use tools for cutting through hard or tough shelled fruits and vegetables, which can be dangerous and difficult with conventional knives.
Innovation Solution
A cutting apparatus with a pair of connected handles, a spring-loaded mechanism, and a cutting blade that allows for safe and easy piercing and cutting through hard shells, along with optional features like a scooping mechanism and adjustable strap for securing fruits or vegetables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional knives are used to cut hard-shelled fruits or vegetables, then the cutting task can potentially be accomplished, but user safety is compromised and the operation becomes difficult
Solution Approach 1:
The cutting action is segmented into two distinct phases: first the piercing element creates an insertion point, then the cutting element separates the shell. This segmentation allows each element to be optimized for its specific function while protecting the user throughout the process.
Solution Approach 2:
The piercing element performs a preliminary action by creating an insertion point before the main cutting action occurs. This preliminary piercing allows the cutting element to engage safely and reduces the force needed for the actual cutting, improving both safety and ease of operation.
2Ease of operation
If conventional knives are used to cut hard-shelled fruits or vegetables, then the cutting function can be performed, but the operation requires great strength and technical skill
Solution Approach 1:
By dividing the cutting function into piercing and cutting elements, the device eliminates the need for user skill in selecting and applying appropriate cutting techniques. The mechanism automatically manages the complex forces required, making the operation easy for users of any skill level.
Solution Approach 2:
The piercing element acts as an intermediary that prepares the shell for cutting by creating an insertion point. This intermediary action reduces the force and skill needed for the subsequent cutting operation, as the cutting element engages with pre-created access point rather than attempting to cut through intact shell.
3Object-affected harmful factors
If a single device is designed to safely open hard-shelled fruits or vegetables, then user safety and ease of use are improved, but the device complexity increases
Solution Approach 1:
Multiple functions (piercing, cutting, and shell securing) are merged into a single integrated device. The piercing element, cutting element, and contact surface work together as one unit, providing safe and effective shell opening without requiring multiple separate tools or complex mechanisms.
Solution Approach 2:
The device is designed with universal applicability to various hard-shelled fruits and vegetables. The combination of piercing and cutting elements in a single device provides multi-functionality, allowing it to safely handle different types of shells without requiring user judgment about which tool to use.
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 apparatus enables users to safely and easily cut through hard shelled fruits and vegetables without requiring great strength or technical skill, enhancing user safety and convenience.
Implementation Method 1
a pair of connected handles which are spring loaded to return the handles to a predetermined position with respect to each other when there is no applied force on the handles
Data Source
AI summary
A cutting apparatus for cutting foods with shells having a bottom handle, a top handle, and a cutting blade are disclosed. The cutting blade includes two holes connected by a slot that is configured to receive a pin that locks the position of the cutting blade relative to the handles. In a open configuration the pin can be pressed into one of the holes locking the cutting blade in a open position. In a closed configuration the pin can be pressed into the other hole which locks the cutting blade into a closed position. The pin can also be disengaged from either hole to occupy the slot such that the handles can moved relative to one another such that a cutting action may be made.