Pull-Cord Herb Grinder with Multi-Blade Assembly for Fine Grinding
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Solution Overview
Problem
Existing grinders are ineffective for grinding smaller herbs due to their design, requiring different types and blade assemblies, leading to inefficiencies and the need for improved apparatuses and devices that can effectively handle various grindable materials.
Innovation Solution
A handheld pull cord herb grinder with a rotating blade assembly, a secondary blade, and a clutch mechanism that provides mechanical advantage for efficient grinding, featuring adjustable blade spacing for fine grinding and easy cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing grinders are used for grinding smaller herbs, then the device structure is simple, but the grinding effectiveness is poor
Solution Approach 1:
The single blade assembly is divided into multiple blade assemblies (first blade assembly, second blade assembly, third blade assembly) arranged at different positions and orientations. Each blade assembly contains multiple blades (e.g., first blade, second blade, third blade) that work together to progressively break down the material, transforming one cutting action into multiple sequential cutting actions for superior grinding effectiveness
Solution Approach 2:
The blade assemblies are arranged in three-dimensional space with different orientations (horizontal, vertical, angled positions). The first blade assembly is positioned horizontally, the second vertically, and the third at an angle, creating multi-dimensional cutting paths that thoroughly process the material from various directions simultaneously
2Productivity
If existing grinders are used for grinding smaller herbs, then the device is easy to operate, but the grinding results are ineffective
Solution Approach 1:
The blade assemblies are pre-configured in specific spatial arrangements and orientations before operation. The first, second, and third blade assemblies are positioned at predetermined locations with fixed angles, so that when the container is rotated, the material automatically encounters the optimal sequence of cutting actions without requiring user adjustment during operation
3Productivity
If multiple blade assemblies are used for effective grinding, then the grinding effectiveness improves, but the device complexity increases
Solution Approach 1:
Multiple blade assemblies are integrated into a single container structure, sharing common support elements and mounting mechanisms. The first, second, and third blade assemblies are all attached to the container wall or base, utilizing the container's structure as a unified framework, thereby reducing overall device complexity while maintaining multiple cutting functions
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 device effectively grinds fibrous and soft herbs with minimal clogging, easy access to freshly ground materials, and a robust clutch design that ensures maximum mechanical advantage for efficient grinding, achieving a fine grind with adjustable blade spacing.
Implementation Method 1
a robust clutch design that ensures maximum mechanical advantage for efficient grinding
Data Source
AI summary
Disclosed herein is an apparatus for facilitating grinding of grindable material. The apparatus including a container, a lid, a blade assembly, a secondary blade, and a rotating assembly. Further, the container receives the grindable material in a container interior space through a container opening of the container. Further, the lid removably attaches to a container side wall of the container for openably closing the container opening. Further, the blade assembly rotatably positioned within the container interior space. Further, the secondary blade is attached to and extends laterally from the container side wall in the container interior space. Further, the secondary blade is vertically spaced from blades of the blade assembly by a secondary vertical distance. Further, a rotating mechanism of the rotating assembly couples with the blade assembly for rotating the blade assembly based on a pull force received by a pull cord of the rotating assembly.