Multi-Purpose Vibratory Concrete Tool Using Reciprocating Motion
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Solution Overview
Problem
Existing concrete tools are bulky, heavy, and single-purpose, requiring multiple tools for various tasks, leading to user inconvenience, fatigue, and potential injury due to their weight and complexity.
Innovation Solution
A lightweight, motorized concrete tool using a commercial reciprocating tool as a vibration source, with interchangeable vibratory masses and parallel vibration orientation, adaptable for multiple concrete working tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If existing concrete tools use traditional designs with internal combustion engines or specialized batteries, then they can provide sufficient power for concrete working tasks, but they become bulky, heavy, and complex
Solution Approach 1:
The patent applies universality by using a commercial reciprocating tool (originally designed for cutting) as the vibration source for concrete working. This multi-functional approach allows a single tool to perform both cutting and concrete finishing tasks, eliminating the need for separate specialized concrete tools with their own engines and batteries, thereby reducing weight while maintaining sufficient power output.
2Device complexity
If existing concrete tools are designed for single-purpose tasks, then they can be simple in design, but multiple tools are required for different concrete working tasks
Solution Approach 1:
The patent implements multi-functionality by designing a tool that can perform multiple concrete working tasks (edging, jointing, brooming, floating, bull floating, flattening, and compressing control joints) using a single reciprocating tool platform with interchangeable attachments, thereby maintaining design simplicity while achieving high adaptability.
Solution Approach 2:
The patent applies dynamics through interchangeable vibratory masses and attachments that can be changed based on the specific task requirements. This allows the tool to dynamically adapt its configuration for different concrete working operations without requiring multiple dedicated tools.
3Adaptability or versatility
If existing tools use eccentric weight vibration sources oriented perpendicular to motion, then they can produce vibrations for concrete working, but they are not suitable for all concrete working tasks
Solution Approach 1:
The patent applies dynamics by using a reciprocating mechanism that can be oriented parallel to the direction of motion, allowing the vibration source to adapt its orientation based on the specific task. This dynamic configuration capability enables suitability for various concrete working tasks without requiring complex multi-orientation mechanisms.
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
Enhances production efficiency with reduced physical exertion, minimizing muscle soreness and injury, while allowing versatile use for different concrete tasks with a single tool.
Implementation Method 1
employing a commercial reciprocating tool as the source of vibration
Data Source
AI summary
The disclosed invention includes embodiments of a multi-purpose device for working concrete surfaces, the devices designed to use linear vibratory motion provided by a source of linear oscillations, and adaptable for a number of concrete working tasks. Devices include a support pole designed to connect a concrete implement to a commercially available reciprocating saw, a mass for magnifying the effects of the saw oscillations, and other features to enable safe, comfortable use. The invention further includes embodiments of a system for working concrete surfaces, the system comprising a concrete implement, a reciprocating saw, and a support frame for conveying oscillations from the reciprocating saw to the implement and for carrying the other system components.