Groove Cutter Handle Layout for Multi-Orientation Masonry Cutting
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Solution Overview
Problem
Existing groove cutters are difficult to use in multiple orientations, particularly when creating slots, grooves, or recesses in masonry for electrical or plumbing installations.
Innovation Solution
A groove cutter with a brushless motor and a handle design featuring a U-shaped configuration with gripping portions and connecting portions that allow for easy manipulation in various orientations, including a tubular handle formed by extrusion blow molding and a compact design with a brushless motor positioned to enhance user handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the groove cutter uses a conventional handle design, then the structure is simple, but it is difficult to use in multiple orientations
Solution Approach 1:
The handle is divided into multiple gripping portions (first gripping portion extending along the grooving direction, second gripping portion perpendicular to it, and third gripping portion perpendicular to the first) connected by linking portions. This segmentation allows users to select different gripping portions based on the required orientation, enabling the device to be used in multiple orientations while maintaining a manageable structure.
Solution Approach 2:
The handle is designed with multiple gripping portions that can serve different functions depending on the orientation needed. The first gripping portion is for standard operation, the second for perpendicular orientation, and the third for offset grip positions. This multi-functional design allows a single handle structure to accommodate various operational requirements without needing separate handles for each orientation.
2Weight of moving object
If the groove cutter uses a compact design with brushless motor, then the device size and weight are reduced, but the motor positioning must be optimized for balance
Solution Approach 1:
The brushless motor is positioned at a specific location between the gripping portion and the engagement surface, with its central axis located at a distance from the engagement surface. The handle's gripping portion is designed with its central portion positioned at a distance at least 50% greater than the motor's distance from the engagement surface. This localized positioning creates an optimized balance point that compensates for the compact design, ensuring ease of operation while maintaining reduced weight and size.
3Ease of operation
If the handle has multiple gripping portions, then ease of operation in multiple orientations is improved, but the handle length increases
Solution Approach 1:
The multiple gripping portions are arranged in a compact configuration where portions are positioned at different locations along the handle structure rather than extending linearly. The first, second, and third gripping portions are connected by linking portions that allow them to be integrated into a compact overall structure, reducing the total handle length while maintaining accessibility to all gripping portions for different orientations.
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 innovative handle design facilitates easier and more efficient operation of the groove cutter in multiple orientations, enhancing user comfort and reducing the device's overall size and weight, making it more manageable for users.
Implementation Method 1
a brushless motor, for example, for driving a cutting disc
Implementation Method 2
a tubular handle formed by extrusion blow molding
Data Source
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AI summary
The invention relates to a groove cutter (1) comprising a pair of spaced cutting discs (10) for cutting a groove in a substrate, a brushless motor (5) for driving the cutting discs (10), a power converter (6) and a power cord (7) configured to connect the brushless motor (5) to an external AC power supply via the power converter (6).