Gear-Assisted Food Compression Tool for Low-Force Operation
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Solution Overview
Problem
Traditional kitchen tools for squeezing, pressing, and processing food require significant effort due to their size and design, making them difficult or impossible for individuals with limited strength, such as the elderly or those with arthritis, to use effectively.
Innovation Solution
A handheld compression tool with a piston assembly and gear teeth mechanism that provides a mechanical advantage, allowing for easier operation with one or two hands and enabling efficient compression of food articles by reducing the effort required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If traditional compression tools are used, then the device structure is simple, but the force required to operate the device is too high for individuals with limited strength
Solution Approach 1:
The device is divided into separate functional components: a base with gear teeth, a lever with gear teeth, and a piston assembly. This segmentation allows the incorporation of a mechanical advantage system while maintaining manufacturing simplicity for each individual component.
Solution Approach 2:
Gear teeth are introduced as an intermediary mechanism between the lever and piston assembly. The interlocking gear teeth transmit and amplify force from the lever to the piston, reducing the direct force requirement while adding controlled complexity to the system.
2Ease of operation
If traditional hinge-linked arms are used, then the device is easy to manufacture, but it requires significant user effort and body weight to assist operation
Solution Approach 1:
The traditional direct mechanical linkage is replaced with a gear-based mechanical advantage system. The gear teeth on the base and lever create a rotational transmission system that multiplies force, eliminating the need for body weight assistance while maintaining manufacturability through standard gear manufacturing processes.
3Productivity
If the device is designed for high compression force, then food processing is effective, but the device becomes difficult or impossible to operate for individuals with arthritis or limited strength
Solution Approach 1:
The gear mechanism performs preliminary force multiplication before the compression action is applied to the food. By pre-amplifying the user's input force through the gear ratio, the system delivers high compression force for effective food processing while requiring minimal initial user effort.
Solution Approach 2:
The gear ratio acts as a parameter change mechanism, transforming the input force parameter from a high-value requirement to a low-value requirement while maintaining the output compression force at an effective level. This parameter transformation makes the device accessible to individuals with limited strength.
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 tool allows for effective processing of food with reduced user effort, making it accessible to a wider range of users, including those with limited strength, by providing a significant mechanical advantage and facilitating the extraction of juices or extrusion of food.
Implementation Method 1
A handheld compression tool with a piston assembly and gear teeth mechanism that provides a mechanical advantage, allowing for easier operation with one or two hands and enabling efficient compression of food articles by reducing the effort required.
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
Devices and systems for compressing food articles are shown and described. Embodiments of the present invention can be used to squeeze, press, extrude, or otherwise process food articles. The disclosed embodiments can include a lever (104) with a plurality of gear teeth (136), a base (102) with a plurality of gear teeth (138), and a receptacle (114). The gear teeth can engage one another. The lever and base can be actuated to move a piston head (120) into and out of the receptacle to compress food. A piston assembly (106) of the compression tool can provide a mechanical advantage to provide relatively high compressive forces.