Electric Handheld Broadcast Spreader Lever Control
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Solution Overview
Problem
Existing broadcast spreaders face challenges in ease of use and effectiveness in distributing granular materials, often leading to user fatigue and inconsistent material dispersion due to manual operation and lack of simultaneous control over material flow and spinning mechanisms.
Innovation Solution
A handheld broadcast spreader with an electric motor and a lever-activated system that simultaneously controls the opening of the feed path to the spreader plate and the spinning of the plate, using springs to activate the motor and adjust the material flow, featuring a spreader console with a distribution opening and vertical spreader flaps for directed material dispersion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation is used to control material flow and spinning, then device complexity is reduced, but ease of operation deteriorates due to user fatigue and inconsistent control
Solution Approach 1:
The patent replaces manual mechanical operation with an electric motor that automatically performs the spinning function. The motor is activated through a simple switch mechanism, eliminating the need for users to manually rotate the spreader plate while maintaining consistent and reliable operation throughout use.
Solution Approach 2:
The patent combines the material flow control mechanism and the motor activation into a single integrated lever system. When the lever is pulled, it simultaneously opens the feed path and activates the motor, allowing users to control both material flow and spinning with one simple action, thereby improving ease of operation.
2Manufacturing precision
If manual control of material flow is used, then device complexity is reduced, but manufacturing precision deteriorates due to inconsistent material distribution
Solution Approach 1:
The patent replaces manual control of material flow with an automated lever mechanism that precisely regulates the feed path opening. This mechanical control system ensures consistent material distribution by maintaining a steady, controlled flow rate regardless of user fatigue or variation in manual pressure.
Solution Approach 2:
The lever mechanism is designed to automatically regulate material flow based on its own position and the spring force applied. Once the lever is pulled to the appropriate position, the system self-regulates the material flow without requiring continuous user adjustment, ensuring consistent distribution patterns.
3Ease of operation
If separate control mechanisms are used for material flow and spinning, then adaptability is improved, but ease of operation deteriorates due to requiring multiple actions
Solution Approach 1:
The patent merges the control of material flow and spinning into a single lever mechanism. Pulling the lever simultaneously performs three functions: it opens the feed path for material flow, activates the electric motor for spinning, and regulates the distribution rate. This integration allows users to control all spreader functions with one simple action, greatly improving ease of operation.
Solution Approach 2:
The lever mechanism serves multiple functions: it acts as both a material flow control valve and a motor switch. This multi-functionality allows a single control element to manage both material delivery and spinning operations, reducing the number of separate controls needed while maintaining adaptability through adjustable lever positions.
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 solution enables efficient and consistent distribution of granular materials with reduced user fatigue, as the electric motor and lever system simplify operation, ensuring precise control over material flow and dispersion patterns, enhancing the overall efficiency and effectiveness of the spreading process.
Implementation Method 1
an electric motor and a lever-activated system that simultaneously controls the opening of the feed path to the spreader plate and the spinning of the plate
Implementation Method 2
using springs to activate the motor and adjust the material flow
Implementation Method 3
a hopper container and a spreader console attached to the hopper container... material flow and dispersion patterns
Data Source
AI summary
A preferred embodiment of the invention generally comprises a hopper container attached to the top face of a spreader console having an electrically-powered spreader plate positioned within a distribution opening in the front center of the front face of the spreader console and operated with a spreader control switch extending down from the right side of the lower horizontal base of the spreader console. A conventional electric motor is housed in a motor compartment that extends from the center of the lower horizontal base of the spreader console. A conventional battery is housed within a battery compartment located on the left side of the motor compartment. The battery compartment is accessed via an access panel. It is contemplated that the device will be carried by the user in front of his body while walking over the area where the material is to be distributed.