Automated Spatula Edge Trimming via Motor-Driven Blade
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Solution Overview
Problem
Existing spatula sharpeners are inefficient in re-edging spatulas, lacking a precise and automated mechanism for cutting and trimming spatula edges.
Innovation Solution
A spatula sharpener with a base housing containing a cutting mechanism, driven by a motor and endless screw, which moves a cutting blade to trim the spatula edge, allowing for automated edge re-shaping and collection of the trimmed edge through a drop aperture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a manual sharpening method is used, then the device complexity is low, but the productivity and manufacturing precision are insufficient
Solution Approach 1:
The patent replaces manual mechanical sharpening with an automated motor-driven cutting blade system. The motor (48) connected to the endless screw (56) automatically moves the cutting blade (54) along guide pins (40) to trim the spatula edge, eliminating manual operation and significantly improving productivity while maintaining controlled complexity through standardized mechanical components.
Solution Approach 2:
The apparatus is designed to be self-operating once initiated. The motor automatically drives the cutting blade through the sharpening process, and the trimmed edge falls through the drop aperture (30) without requiring manual intervention for collection. This self-service mechanism enhances productivity by reducing operator involvement while keeping the device structure manageable.
2Manufacturing precision
If a precise cutting mechanism is implemented, then the manufacturing precision improves, but the device complexity increases
Solution Approach 1:
The patent introduces guide pins (40) as intermediary elements that mediate between the motor-driven cutting blade and the spatula edge. The guide pins constrain the cutting blade's motion to a precise linear path, ensuring accurate edge trimming without requiring complex positioning systems. This intermediary mechanism achieves high manufacturing precision while keeping the overall structure relatively simple.
Solution Approach 2:
The cutting mechanism is segmented into distinct functional components: the motor (48), endless screw (56) for motion control, cutting blade (54) for trimming, and guide pins (40) for positioning. This segmentation allows each component to be optimized for its specific function, achieving precise edge trimming while maintaining ease of manufacture and repair for individual parts.
3Ease of operation
If an automated drive mechanism is added, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The patent replaces complex automated control systems with a simple motor-driven mechanical transmission. The motor (48) connected to the endless screw (56) provides automated motion to the cutting blade (54) through straightforward mechanical engagement, achieving ease of operation without requiring sophisticated electronics or control mechanisms. This keeps the drive system structure relatively simple while maintaining high automation.
Solution Approach 2:
The drive mechanism is designed to operate autonomously once activated. The motor automatically cycles the cutting blade through the sharpening process without requiring continuous user input or complex control interfaces. This self-service operation enhances ease of use while minimizing the complexity of the control system, as the mechanical components self-regulate the sharpening cycle.
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
Enables efficient and automated re-shaping of spatula edges, improving usability and maintaining spatula performance by providing a precise cutting mechanism and easy edge collection.
Implementation Method 1
A motor (48) is coupled to the endless screw (56)
Implementation Method 2
The endless screw (56) is coupled to the motor (48) and is in operational communication with the cutting blade (54). The motor (48) rotates the endless screw (56) to move the cutting blade (54) up and down the pair of guide pins (40)
Data Source
AI summary
A spatula edge trimming apparatus for re-edging a spatula includes a base housing with the front side having a spatula receptacle slot extending through to the cavity. The bottom side has a drop aperture extending through to the cavity. The spatula receptacle slot is configured to receive a spatula. A cutter is coupled to the base housing within the cavity and is configured to cut an edge of the spatula. A drive is coupled to the top side of the base housing and is in operational communication with the cutter. A plurality of controls is coupled to the base housing and is in operational communication with the drive. A power source is coupled to the housing. The power source is in operational communication with, and provides power to, each of the drive and the plurality of controls.