U-Shaped Groover Handle for Multi-Orientation Masonry Cutting
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Solution Overview
Problem
Existing groovers are not easily adaptable for use in multiple orientations, making them less efficient for various applications such as electrical installations and plumbing, where slots or recesses need to be made in masonry surfaces.
Innovation Solution
A groover design featuring a brushless motor-driven pair of cutting discs with a handle configuration that allows for easy manipulation in different orientations, including a gripping portion parallel to the grooving direction and a second gripping portion perpendicular to it, connected by a continuous portion, enabling the user to slide their hand without releasing the handle, and a tubular handle formed by extrusion blow molding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional groover design with handles attached at ends to main body is used, then the device structure is simple, but the groover is not easily adaptable for use in multiple orientations
Solution Approach 1:
The handle is designed with a sliding mechanism that allows the gripping portion to move along the handle body, enabling dynamic reconfiguration of the handle orientation. This dynamic adjustment capability allows the groover to be easily adapted for use in multiple orientations (horizontal, vertical, angled) without requiring multiple specialized tools, thus improving versatility while maintaining relatively simple device structure
Solution Approach 2:
The handle design with sliding gripping portion serves multiple functions: it can be positioned for horizontal grooving, vertical grooving, and angled applications. This single multi-functional handle design replaces what would traditionally require multiple specialized handles, achieving adaptability for multiple orientations without proportionally increasing device complexity
2Ease of operation
If the motor is positioned far from the engagement surface, then the motor has sufficient space for cooling and maintenance, but the groover becomes less maneuverable and more cumbersome
Solution Approach 1:
The motor position parameter is optimized to be at a specific intermediate distance from the engagement surface. This parameter change achieves a balance where the motor is close enough to the center of gravity to maintain good maneuverability and control, while still having sufficient clearance for cooling airflow and basic maintenance operations. The handle design with gripping portion sliding capability further compensates for the compact motor positioning, maintaining ease of operation in various orientations
3Ease of operation
If a single-handle design is used, then the device structure is simple, but the user cannot easily adjust hand position for different orientations
Solution Approach 1:
The handle incorporates a sliding mechanism that allows the gripping portion to move dynamically along the handle body to different positions. This dynamic reconfigurability enables the user to adjust hand position for different orientations (horizontal, vertical, angled) while maintaining a relatively simple single-handle structure. The sliding mechanism adds minimal complexity compared to providing multiple separate handles
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 groover is easier to maneuver and more compact, allowing for efficient cutting in various orientations and reducing user fatigue, as the center of gravity is closer to the substrate, enhancing its usability in diverse masonry applications.
Implementation Method 1
brushless motor for driving a pair of cutting discs
Implementation Method 2
tubular handle formed by extrusion blow molding
Data Source
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AI summary
The invention relates to a grooving machine (1) comprising a handle (2) fixed to a main body (3), the handle (2) comprising a first gripping portion (21) extending along a grooving direction of the body (R), a second gripping portion (22) substantially perpendicular to the first gripping portion (21) and a third gripping portion (23) substantially parallel to and spaced from the second gripping portion, so that the handle is substantially U-shaped.