Detachable Knife Tool With Multiple Working Areas
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Solution Overview
Problem
Existing knives lack versatility and maintenance options, as they typically have a fixed blade and tool configuration that does not allow for easy replacement or adjustment of edge geometries and sharpness for different cutting tasks.
Innovation Solution
A knife design featuring a detachable tool with multiple working areas that can be positioned relative to the blade body, allowing for different edge geometries and sharpness to be brought into a working position, with the option to stow or exchange tools for specific cutting tasks, and a mechanism to securely hold the tool in place using a carrier and flap system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed blade and tool configuration is used, then the knife structure is simple, but the knife lacks versatility and cannot be easily adjusted for different cutting tasks
Solution Approach 1:
The tool is divided into multiple working areas (first working area, second working area, etc.) with different edge geometries, allowing the user to select the appropriate working area for different cutting tasks. This segmentation enables versatility without requiring multiple separate tools.
Solution Approach 2:
The tool head is designed to accommodate multiple working areas with different edge geometries (scoring edges, cutting edges, etc.), making a single tool capable of performing multiple cutting functions. The tool can be rotated or repositioned to bring different working areas into the working position.
2Adaptability or versatility
If multiple working areas with different edge geometries are provided, then the knife can handle various cutting tasks, but the tool complexity increases
Solution Approach 1:
Multiple working areas with different edge geometries are merged into a single tool head, which is detachably mounted on the knife body. This allows the user to access different cutting edges without needing multiple separate tools, while the detachable design keeps the overall system manageable.
Solution Approach 2:
The tool is designed to be rotatable or repositionable relative to the knife body, allowing dynamic selection of different working areas. The tool can be rotated 180 degrees or repositioned to bring the appropriate working area into the working position, providing adaptability without permanent complexity.
3Ease of repair
If the tool is detachably mounted with multiple working areas, then edge replacement is easier, but the securing mechanism becomes more complex
Solution Approach 1:
The tool is designed as a detachable component that can be easily removed from the knife body by opening the clamp flap. This extraction capability allows for easy replacement of worn or damaged working areas without complex disassembly procedures.
Solution Approach 2:
The clamp flap is designed to be movable between a closed clamping position and an open release position. This dynamic mechanism allows the tool to be securely held during use but easily removed when needed, providing both security and ease of replacement without permanent complexity.
4Productivity
If the working area extends beyond the outer contour for cutting, then cutting performance is optimized, but the knife becomes less compact when not in use
Solution Approach 1:
The tool is designed to be rotatable or repositionable relative to the knife body, allowing it to be positioned in a working position where the working area extends beyond the outer contour for optimal cutting performance. When not in use, the tool can be rotated to a stored position where it does not protrude, maintaining a compact form.
Solution Approach 2:
The tool can be rotated around an axis perpendicular to the knife body, utilizing a different spatial dimension. This allows the working area to extend beyond the outer contour during cutting operations while returning to a compact configuration when stored, effectively separating the cutting and storage states in different spatial arrangements.
Data Source
Figure 1a~1c
Figure 2
Figure 3a
AI summary
The invention relates to a knife (10) with a knife body (11) and with at least one blade (17) having an edge (16), wherein an additional tool (24a, 24b) is held on the knife body (11), the tool (24) being detachably held on the knife body (11). The special feature is that the tool (24a, 24b) has at least two working areas (23a, 23b) and is provided with a holding area (42) which can be engaged in at least two different relative positions with a receiving area of a tool seat (39) of the knife body (11), so that optionally one of the working areas (23a, 23b) can be arranged in a working position in which it can be used by a user, while the other working area is in a stowed position.