Offset Curb Brush with Extendable Arm
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Solution Overview
Problem
Existing brush devices lack the capability to sweep and clear debris from newly formed curbs, as they are not designed for offset and elevated sweeping, and cannot adapt to the configuration of the curb surface relative to the adjacent ground surface.
Innovation Solution
A curb brush device with a frame attached to a vehicle, featuring a pivotally coupled rail and extendable brush arm, allowing the brush to be rotated and positioned laterally offset from the vehicle for effective sweeping of curbs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional brush device is used, then the structure is simple, but it cannot sweep curbs that are laterally offset from the vehicle
Solution Approach 1:
The brush assembly is positioned laterally offset from the vehicle's centerline, allowing it to reach curbs that are not directly adjacent to the vehicle. The rail system enables the brush arm to extend and retract in the lateral dimension, providing access to offset surfaces without requiring the vehicle to position itself directly next to the curb.
Solution Approach 2:
The brush arm is made movable along the rail, allowing dynamic adjustment of the brush position. This enables the system to adapt to varying curb positions and heights, and allows the brush to be retracted when not in use, maintaining a compact configuration when sweeping is not required.
2Adaptability or versatility
If the brush is positioned laterally offset from the vehicle, then curb sweeping capability is improved, but the device complexity increases
Solution Approach 1:
The rail system serves multiple functions: it guides the brush arm movement, supports the lateral offset positioning, and enables both extension and retraction of the brush. This multi-functional design reduces the need for separate mechanisms for each function, thereby limiting the increase in overall device complexity.
3Length of moving object
If the brush arm is extendable laterally, then the sweeping range is improved, but the ease of operation deteriorates
Solution Approach 1:
The brush arm appears to be automatically positioned along the rail, likely through the vehicle's movement and the natural interaction between the brush bristles and the curb surface. This self-positioning capability reduces the need for complex manual control mechanisms, maintaining ease of operation despite the extended reach.
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 enables efficient sweeping of curbs by allowing the brush to be positioned laterally offset from the vehicle, effectively clearing debris from newly formed curbs and adapting to the surface configuration.
Implementation Method 1
a brush rotatable about a rotation axis with respect to the brush arm
Data Source
AI summary
A curb brush device for sweeping a newly formed curb includes a frame for attachment to a vehicle such that the frame extends forwardly from the vehicle. The frame includes a frame attachment bracket and a rail coupled to the frame attachment bracket. A brush arm is coupled to the rail and is extendable laterally from the rail. A brush is coupled to the brush arm. The brush is rotatable for sweeping a surface laterally offset from the vehicle.