Removable Grill Brush Assembly With Rotatable Replaceable Heads
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Solution Overview
Problem
Conventional cleaning brushes for grill grates have sparsely distributed bristles, leading to inefficient cleaning, short brush life, and high costs due to proprietary replaceable heads that are often not readily available or affordable.
Innovation Solution
A grill brush assembly with a handle featuring apertures for interchangeable brush heads, where the brush heads are rotatable and have a high density of metallic bristles, allowing for angled mounting to increase cleaning effectiveness and longevity, and are available at a low cost with various bristle materials and densities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If sparsely distributed vertically oriented bristles are used in conventional cleaning brushes, then the brush structure is simple and easy to manufacture, but the cleaning effectiveness is poor and brush life is short
Solution Approach 1:
The patent applies local quality by varying the bristle orientation and density in different regions of the brush head. Specifically, bristles are arranged with different orientations (e.g., some vertical, some angled) and densities in different zones to optimize cleaning effectiveness for different grill grate surfaces while maintaining manufacturing feasibility.
Solution Approach 2:
The patent transitions from purely vertical bristle orientation to multi-dimensional bristle arrangements. By introducing angled and horizontally oriented bristles in addition to vertical ones, the brush head engages grill grate surfaces more comprehensively, addressing the limitation of single-direction bristle contact.
2Device complexity
If sparsely distributed vertically oriented bristles are used, then the brush structure is simple, but significant pressure and scrubbing time are needed to sufficiently clean grill grates
Solution Approach 1:
The patent implements local quality by creating zones of higher bristle density in areas that require more cleaning force, while maintaining lower density in other areas. This localized variation in bristle distribution reduces the overall scrubbing time needed while keeping the overall brush structure relatively simple.
Solution Approach 2:
The patent introduces dynamic elements through angled and flexible bristle arrangements that adapt to the grill grate surface during cleaning. This dynamic bristle configuration allows the brush to maintain effective contact with the grates, reducing the time and pressure required for sufficient cleaning.
3Duration of action of moving object
If proprietary replaceable brush heads are used, then brush life can be extended through replacement, but replacement heads are expensive and not readily available
Solution Approach 1:
The patent applies universality by designing a brush head with standardized, common components that can be manufactured using conventional processes. The brush head structure uses widely available materials and construction methods, making replacements more accessible and affordable while still extending brush life through replaceability.
Solution Approach 2:
The patent embraces the disposable concept by creating an affordable brush head that can be easily replaced when worn. By using inexpensive, readily available materials and simple construction, the brush head becomes an economical replacement item rather than a costly proprietary component.
4Device complexity
If vertically oriented bristles are used, then the brush structure is simple, but only a small portion of bristles make contact with grill grates, reducing cleaning effectiveness
Solution Approach 1:
The patent applies local quality by varying bristle orientation in different regions of the brush head. Specifically, bristles are arranged with different orientations (vertical, angled, horizontal) in different zones to maximize contact with various surfaces of the grill grates, thereby improving cleaning effectiveness without overly complicating the overall structure.
Solution Approach 2:
The patent transitions from single-dimensional vertical bristle orientation to multi-dimensional arrangements. By incorporating bristles oriented at various angles and directions, the brush head achieves comprehensive contact with the three-dimensional surfaces of grill grates, significantly improving the portion of bristles that make effective contact.
Data Source
AI summary
Embodiments set forth a cleaning brush handle that includes a head region that includes one or more brush apertures, where each brush aperture is configured to receive one replaceable brush. The brush apertures may be orthogonal to the brush handle, or, in the alternative, may be at an angle in the longitudinal direction, the transversal direction, or both. The brush includes a nominally ¼″ round or hex-shaped shank that is inserted into the brush aperture. The brushes are held in place via a suitable mounting mechanism, such as a threaded insert that receives a thumbscrew or a bushing with a threaded hole that receives a thumbscrew. The mounting mechanism provides for easy insertion, rotation, removal, and replacement of the brushes. The mounting mechanism provides for rotating the brushes, in small increments, through a 360° range, for more even brush wear and longer brush life, relative to conventional cleaning brushes.