Ergonomic Knife Grip with Finger Recesses
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Solution Overview
Problem
Kitchen knives often cause injuries due to slipping or excessive force required, with both blunt and extremely sharp knives posing risks, and long-term use leads to hand and arm strain for professionals.
Innovation Solution
An ergonomic grip device with removably attachable or integrated multi-grip paths for thumb, index, and middle fingers, providing a secure and comfortable hold, reducing the force needed to maintain the knife during use, and designed for both retrofitting existing knives and new manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional knife handle is used, then the knife is simple and easy to manufacture, but the user experiences hand and arm strain due to excessive gripping force required
Solution Approach 1:
The handle is divided into two functional segments: the original knife handle portion and the separate ergonomic grip component. This segmentation allows the ergonomic features to be added without redesigning the entire handle structure, thus improving grip comfort while maintaining manufacturing simplicity.
Solution Approach 2:
The ergonomic grip component acts as an intermediary between the user's hand and the knife handle. This intermediate component provides the ergonomic benefits by creating a comfortable interface, while the original handle structure remains unchanged and simple to manufacture.
2Reliability
If a conventional knife handle is used, then the knife structure is simple, but the handle slips from the user's hand during cutting operations
Solution Approach 1:
The handle system is segmented into the original handle and the ergonomic grip component. The ergonomic grip component incorporates specific structural features (curved surfaces, textured patterns, recesses) that enhance grip stability without requiring complete redesign of the handle structure.
Solution Approach 2:
The ergonomic grip component applies local quality enhancements to specific areas where the hand contacts the handle. Features such as curved surfaces for finger placement, textured patterns for friction, and recesses for thumb positioning are localized to the grip area, improving stability without complicating the entire handle structure.
3Ease of operation
If a removable ergonomic grip component is added, then grip comfort and stability are improved, but the device complexity increases
Solution Approach 1:
The ergonomic grip is segmented as a separate removable component rather than an integrated part. This allows the component to be easily attached and detached from the knife handle, providing improved grip comfort while minimizing the increase in overall device complexity through modular design.
Solution Approach 2:
The ergonomic grip component is designed with universal attachment features that allow it to be used with different knife handles. The component serves multiple functions: providing ergonomic grip, enhancing stability, and reducing hand strain, all within a single modular unit that can be attached to various handle types.
Data Source
AI summary
An ergonomic grip is provided for use with a knife. The grip has a body with a first recess for an ergonomic positioning of the thumb of a user gripping the knife. The body also includes a second recess providing a second pathway for an ergonomic positioning of the index finger of the user. A third recess forms a third pathway for the ergonomic positioning of the index finger of a user therein during a gripping of the knife.