Wireless Remote Power Saw for High Branch Pruning
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Solution Overview
Problem
Conventional power tools for pruning trees, such as chainsaws and power pole saws, are often heavy and require operators to climb trees, posing safety risks and being difficult for non-professionals to use effectively for high-reach pruning due to the need for physical strength and specialized skills.
Innovation Solution
A battery-powered power saw system with a wireless remote control and extension pole configuration, allowing the saw to reach high targets without the need for manual strength or climbing, where the saw head is coupled to a housing with a motor subassembly, blade, and a wireless receiver, and the remote control communicates with the saw to actuate the blade.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional power tools like chainsaws and power pole saws are used for pruning high trees, then cutting capability is provided, but the tools are heavy and require operators to climb trees, posing safety risks and being difficult for non-professionals to use
Solution Approach 1:
The system divides the pruning tool into separate components: a powered cutting head that can be detached and positioned at a distance from the operator. The cutting head contains the motor, blade, and battery, while the operator remains on the ground controlling it remotely, eliminating the need to climb trees.
Solution Approach 2:
A wireless remote control system acts as an intermediary between the operator and the cutting head. The remote control transmits signals wirelessly to operate the blade, allowing the operator to control the cutting function from a safe distance without direct physical contact or proximity to the moving blade.
2Length of moving object
If manual tools with longer handles are used to reach high targets, then reach distance is increased, but the user must exert manual force to cut which demands great physical strength beyond most people's capability
Solution Approach 1:
The manual cutting mechanism is replaced with a powered system. An electric motor drives the blade through a drive mechanism, substituting the need for manual force with automated mechanical power. The operator only needs to position and control the tool, not physically exert force to cut.
Solution Approach 2:
The cutting function is separated from the positioning function. The powered cutting head performs the cutting action independently, while the operator separately controls positioning using the extension pole and remote control, eliminating the need for the operator to provide both reach and cutting force simultaneously.
3Length of moving object
If conventional power pole saws with extension handles are used, then some reach extension is achieved, but they generally cannot reach high places from the ground and require special skills and equipment
Solution Approach 1:
The system transitions from vertical extension (climbing or very long poles) to horizontal separation. The powered cutting head can be positioned at various distances and angles from the operator using the extension pole, providing reach in multiple directions and dimensions without requiring vertical ascent or specialized climbing equipment.
Solution Approach 2:
The powered cutting head combines multiple functions in one unit: motor-driven cutting, wireless control reception, and battery power supply. This integrated design provides versatile capability for various pruning heights and positions without requiring multiple specialized tools or equipment.
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 safe and efficient pruning of high branches by allowing operators to control the saw from a distance, reducing physical strain and eliminating the need for climbing, thus making high-tree pruning accessible to non-professionals while maintaining control and precision.
Implementation Method 1
a housing battery disposed within a battery compartment and electrically coupled to the wireless receiver and motor subassembly
Implementation Method 2
The wireless remote control comprises a remote housing and a wireless transmitter contained therein... the blade is configured to move upon actuation of a wireless remote control
Data Source
AI summary
A power saw for pruning high grown trees is disclosed. The power saw is configured to couple to an extension pole that allows the power saw to reach high hanging targets. The power saw includes a housing having a wireless receiver and a motor subassembly contained therein. A housing battery is electrically coupled to the wireless receiver. A front handle is coupled to the housing. The front handle comprises a faceplate and a pole aperture disposed at a terminal end. A blade is configured to extend through a blade slot of the faceplate wherein the blade is coupled to the motor subassembly. An extension pole is configured to couple to the pole aperture of the front handle. The blade is configured to move upon actuation of a wireless remote control. The wireless remote control includes a wireless transmitter and is configured to allow both hands of a user to handle the extension pole while in operation.