Adjustable Deflector Assembly for Broadcast Spreader Width Control
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Solution Overview
Problem
Existing broadcast spreaders with deflectors require removal and replacement to adjust the spread width, leading to inefficiencies and potential loss of components during storage, as they do not allow for multiple spread widths without purchasing multiple deflectors or carrying tools.
Innovation Solution
An adjustable deflector assembly with brackets and bolts that can be secured to a broadcast spreader, allowing the deflector to be positioned at multiple discrete locations to control the spread pattern without removal, using springs to bias the bolts into selected slots for easy adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed deflector is used to reduce spread width, then the spread width is controlled, but the deflector cannot be adjusted to multiple spread widths without removal or replacement
Solution Approach 1:
The patent implements a dynamic adjustment mechanism where the deflector can be repositioned to multiple discrete locations along vertical slots on the brackets. The slots provide predetermined adjustment positions that allow the deflector to be dynamically reconfigured for different spread widths without removal, transforming a static deflector into an adjustable one through guided movement along the slots.
Solution Approach 2:
The adjustment mechanism is segmented into discrete horizontal slots at different vertical positions on the brackets. Each slot represents a distinct adjustment position, allowing the deflector to be segmented into multiple functional configurations. This segmentation enables stepwise adjustment of spread width while maintaining secure positioning at each level.
2Ease of operation
If the deflector assembly is removed when not in use, then storage space is freed, but the risk of losing mounting hardware or the entire spreader increases
Solution Approach 1:
The patent merges the deflector with the mounting brackets and slots into an integrated assembly that remains permanently attached to the spreader frame. The deflector, brackets, and slots function as a unified system that cannot be accidentally separated, eliminating loose mounting hardware while maintaining storage efficiency through the compact integrated design.
Solution Approach 2:
The mounting system is designed to be self-retaining, where the slots and brackets automatically secure the deflector in place without requiring separate fasteners that could be lost. The interlocking geometry of the slots and mounting features provides inherent retention, making the system self-sufficient and eliminating the risk of hardware loss during storage or transport.
3Adaptability or versatility
If multiple deflectors are purchased to achieve multiple spread widths, then adjustment flexibility is improved, but the device complexity and cost increase
Solution Approach 1:
The patent creates a universal deflector assembly that serves multiple functions by incorporating adjustable positioning capabilities into a single unit. The same deflector can be repositioned to different vertical slots to achieve various spread widths, replacing the need for multiple specialized deflectors. This multi-functionality is achieved through the standardized brackets and slots that accommodate the single deflector in multiple configurations.
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 seamless adjustment of the spread width without removing the deflector assembly, reducing storage risks and eliminating the need for multiple deflectors or tools, providing flexible control over the spread pattern.
Implementation Method 1
using springs to bias the bolts into selected slots for easy adjustment
Data Source
AI summary
An adjustable deflector assembly for a broadcast spreader comprises: a first bracket secured to a support frame of the broadcast spreader on one side of a rotating fan of the broadcast spreader; a second bracket secured to the support frame of the broadcast spreader on another side of the rotating fan of the broadcast spreader; and a deflector mounted to the first bracket and the second bracket. The deflector is configured to be mounted at one of multiple discrete positions on each of the first bracket and the second bracket, such that a spread width of material distributed by the rotating fan is increased or decreased depending on which of the multiple discrete positions is selected.