Rotating Multi-Tool Carving Handle for Rapid Utensil Exchange
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Solution Overview
Problem
Existing manual carving tools for fruits and vegetables require frequent tool changes and lack simultaneous access to multiple tools, leading to inefficiencies in decorative carving processes.
Innovation Solution
A hand-operated tool with a tubular support that temporarily couples up to four cutting and carving utensils, allowing for easy exchange and use of different tools without changing them, featuring a rotating mechanism and a protective sheath for safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple carving tools are used separately, then each tool can be optimized for its specific function, but frequent tool changes are required which reduces productivity
Solution Approach 1:
The patent combines multiple separate carving tools into a single integrated tool by mounting several cutting elements on a common handle with a rotating mechanism. This allows the user to access multiple carving functions without changing tools, directly resolving the contradiction by eliminating tool change time while maintaining specialized carving capabilities through the rotating selection of different cutting elements
2Productivity
If multiple carving tools are kept ready, then tool changes are minimized, but the device complexity and space required increase
Solution Approach 1:
The patent nests multiple cutting elements within a single rotating mechanism on a common handle. The cutting elements are arranged radially or linearly on the rotating part, allowing them to be stored compactly within the tool body rather than requiring separate tool storage. This nesting approach maintains multiple carving functions while minimizing device complexity and space requirements
Solution Approach 2:
The rotating mechanism serves multiple functions: it stores multiple cutting elements, allows selection between them, and provides a unified handle for operation. This multi-functionality reduces the need for separate specialized tools while maintaining carving precision, resolving the contradiction between productivity and device complexity
3Manufacturing precision
If sharp cutting tools are used for precision carving, then carving quality is improved, but user safety is compromised due to risk of cuts and abrasions
Solution Approach 1:
The patent extracts the dangerous cutting elements from direct contact with the user's hand by mounting them on a rotating mechanism that positions the cutting edges away from the handle grip area. The cutting elements can be retracted or positioned so that only the tip is exposed during use, separating the cutting function from the user's hand and reducing injury risk while maintaining carving precision
Data Source
AI summary
A manual tool includes a support (1) with stops (20) on which the carving elements (2) are arranged and includes a first central tubular sector (7) having a hollow interior; second lateral sectors (10); wings (11) facing each other that start from each of the second sectors (10); a recess (12) between both wings (11), for housing the carving element (2); and a rotating part (16) mounted between the wings (11), that includes two couplings (15) and two housings (17) and (18), in which the rotating part (16) is rotatory between a first position in which the carving element (2) linked to the first housing (17) while the carving element (2) linked to the second housing (18) is oriented inwards the recess (12) and a second position in which the carving element (2) of the first housing (17) is oriented inward toward the recess (12).