Cable Bloom

The gutter loom with segmented block segments and varying bristle stiffness addresses the challenge of cleaning diverse surfaces by enhancing efficiency and preventing damage, achieving adaptable and cost-effective debris removal.

JP7815243B2Active Publication Date: 2026-02-17OLD DOMINION BRUSH CO
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Patent Information

Application Number
JP2023530756
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-06-21
Filing Date
2021-11-19
Publication Date
2026-02-17
Estimated Expiration
2041-11-19

AI Technical Summary

Technical Problem

Existing sweepers face challenges in efficiently cleaning surfaces with varying debris types and materials, often causing damage due to inconsistent bristle stiffness and contact, and require adaptable designs for different surfaces.

Method used

A gutter loom with segmented block segments featuring arrays of bristles of varying stiffness and positioning, including first and second bristles with different stiffnesses, positioned alternately or consecutively, and U-shaped within openings to form a pattern that adapts to specific cleaning needs.

Benefits of technology

Enhances cleaning efficiency by tailoring bristle patterns to prevent surface damage and improve debris removal on diverse surfaces, reducing manufacturing costs and extending equipment life.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

A gutta loom is provided. The gutta loom may have one or more block segments, each block segment having an opening for receiving and disposing a bristles. The bristles may have a first stiffness or a second stiffness different from the first stiffness. The bristles having the second stiffness may be positioned on the block segments radially outward of the bristles having the first stiffness.
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Description

[Technical Field]

[0001] FIELD OF THE DISCLOSURE The present disclosure relates to a sweeper for cleaning surfaces, particularly gutters for cleaning roads, streets, and other surfaces. [Background technology]

[0002] Sweepers may be used to remove debris or trash and particulate matter from various surfaces. In particular, gutter looms (brooms) may be used to sweep roads, streets, and other surfaces and may be attached to sweeper vehicles to move across the surface. Gutta looms may also approach curbs or building sides or sidewalls to remove debris. Gutta looms may have brush mounts that accept bristles for cleaning. Summary of the Invention

[0003] One aspect provides a block segment for a gutter bloom. The block segment may include an array having rows and columns of openings for receiving bristles. The bristles may include first bristles having a first stiffness and second bristles having a second stiffness greater than the first stiffness. The second bristles may be positioned alternately within the openings within a given row and may be positioned radially outward of the first bristles within the given row. The openings may extend through the block segment in a thickness direction from a top surface of the block segment to a bottom surface of the block segment. The block segment may further include a wall extending transversely within the opening. The bristles may be positioned within the openings surrounding the wall to form a U-shape around the wall, such that a first side of the bristles and a second side of the bristles are positioned on opposite sides of the wall.

[0004] In one aspect, the second bristles may have a second cross-sectional area that is wider than the first cross-sectional area of ​​the first bristles. In one aspect, the first bristles may have a first cross-sectional area of ​​a first geometric shape, and the second bristles may have a second cross-sectional area of ​​a second geometric shape. In this aspect, the first geometric shape and the second geometric shape may be different from each other. In one aspect, the second bristles may have a second diameter that is larger than the first diameter of the first bristles. In one aspect, the block segments may further include bristle receptacles attached to the block segments. In this aspect, the bristle receptacles may have openings that receive the second bristles. In one aspect, the bristle receptacles may be integral with the block segments. In one aspect, the first bristles may include a first material having a first elasticity, and the second bristles may include a second material having a second elasticity. In another aspect, the first elasticity may be higher than the second elasticity. In another aspect, the first elasticity and the second elasticity may be approximately equal. In one aspect, the second bristles may include at least one of an outer layer, a coating, and a rib. In one aspect, the first bristles and the second bristles may include steel. In one aspect, the openings may extend through the block segments in a thickness direction from the top surface of the block segments to the bottom surface of the block segments at an angle from an axis generally parallel to the central axis of the gutter loom. The bristles may extend outward from the bottom surface of the block segments at the angle. In one aspect, the first bristles may be positioned generally adjacent to the second bristles.

[0005] Another aspect provides a block segment for a gutter bloom. The block segment may have an array with rows and columns and bristles positioned within the array. The bristles may include first bristles having a first stiffness and second bristles having a second stiffness greater than the first stiffness. The second bristles may be positioned consecutively within the row and radially outward of the first bristles within a given column. The block segment may further have openings arranged in an array to receive the bristles. The openings may extend through the block segment in a thickness direction from the top surface of the block segment to the bottom surface of the block segment. The block segment may further have a wall extending transversely within each opening. The bristles may be positioned within the openings surrounding the wall to form a U-shape around the wall, such that a first side of the bristles and a second side of the bristles are positioned on opposite sides of the wall. In one aspect, the block segment may further have about 20 to about 40 openings, and about 4 to about 8 second bristles may be positioned within the openings. In another aspect, about 4 to about 8 second bristles may be positioned consecutively within the row. In one aspect, the first bristles may be positioned within the remaining openings. In another aspect, each of the second bristles may be positioned generally adjacent to at least one first bristle. In another aspect, each of the first bristles may be generally adjacent to at least one other one of the first bristles.

[0006] Another aspect provides a gutta loom. The gutta loom may have one or more block segments. Each block segment may have bristles. The bristles may include one of a first bristles having a first stiffness and a first cross-sectional geometry and a second bristles having a second stiffness different from the first stiffness and a second cross-sectional geometry different from the first cross-sectional geometry. The block segment may have an opening for receiving the bristles, the opening extending through the block segment in a thickness direction from a top surface of the block segment to a bottom surface of the block segment, the block segment having a wall extending transversely within the opening, the bristles positioned within the opening surrounding the wall to form a U-shape around the wall, such that a first side of the bristles and a second side of the bristles are positioned on opposite sides of the wall. In one aspect, the gutta loom may have between about two and about five block segments. In one aspect, at least two block segments may be different from each other.

[0007] Another aspect provides a modified block segment. The modified block segment may have a bristle receptacle for receiving the bristles. The bristle receptacle may be located within the outer edge of the block segment. The modified block segment may be formed during an injection molding process, for example, by placing an insert into a tool. The insert may form the bristle receptacle and have a cavity for receiving the bristle segment.

[0008] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, further serve to explain the principles of the embodiments and to enable those skilled in the art to make and use such embodiments. [Brief explanation of the drawings]

[0009] [Figure 1A]1 is a perspective view of a vehicle with gutter breech from various perspectives; [Figure 1B] 1B is an enlarged view of the gutta loom of FIG. 1A from various perspectives. [Figure 2] 1 is a perspective view of a gutta loom from various perspectives. FIG. [Figure 3] 1A-1C are side views of the gutta loom from various perspectives. [Figure 4] 1A-1C are plan views of a block segment from various perspectives. [Figure 5] 5A-5B are cross-sectional views of the block segment of FIG. 4 taken along line 5-5 in various views. [Figure 6] 1A-1C are perspective views of a block segment from various perspectives. [Figure 7A] 1A-1C are plan views of a block segment from various perspectives. [Figure 7B] 7B is a side view of the block segment of FIG. 7A taken along line 7B-7B. [Figure 8A] 1A-1C are side views of the bristles from various perspectives. [Figure 8B] 8B is a cross-sectional view of the bristles of FIG. 8A taken along line 8B-8B. [Figure 9A] 1A-1C are side views of the bristles from various perspectives. [Figure 9B] 9B is a cross-sectional view of the bristles of FIG. 9A taken along line 9B-9B. [Figure 10A] 1 is a plan view of the gutta loom from various perspectives; FIG. [Figure 10B] FIG. 10B is a side view of the gutta loom of FIG. 10A. [Figure 11A] 1 is a plan view of the gutta loom from various perspectives; FIG. [Figure 11B] FIG. 11B is a side view of the gutta loom of FIG. 11A. [Figure 12A] 1 is a plan view of the gutta loom from various perspectives; FIG. [Figure 12B] FIG. 12B is a side view of the gutta loom of FIG. 12A. [Figure 13] 1 is a plan view of the gutta loom from various perspectives; FIG. [Figure 14] 1 is a plan view of the gutta loom from various perspectives; FIG. [Figure 15] 1 is a plan view of the gutta loom from various perspectives; FIG. [Figure 16] 1 is a plan view of the gutta loom from various perspectives; FIG. DETAILED DESCRIPTION OF THE INVENTION

[0010] Features and advantages of aspects will become apparent from the following detailed description when taken in conjunction with the drawings, in which like reference numerals generally indicate identical, functionally identical, and / or structurally identical elements.

[0011] The present invention will now be described in detail with respect to various aspects thereof, as illustrated in the accompanying drawings. References to "one aspect," "one aspect," "exemplary aspect," and the like indicate that the described aspect may have a particular feature, structure, or characteristic, but not all aspects necessarily have that particular feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same aspect. Furthermore, when a particular feature, structure, or characteristic is described in connection with one aspect, it is recognized that this is within the ordinary knowledge of one skilled in the art to affect such feature, structure, or characteristic in relation to other aspects, whether or not explicitly described.

[0012] The following examples are illustrative of aspects of the present invention, but are not intended to be limiting thereof. Other suitable modifications and adaptations of the variety of conditions and parameters normally encountered in the art and obvious to those skilled in the art are within the spirit and scope of the invention.

[0013] Aspects provide a gutter loom. As described herein, the gutter loom may be segmented, and such a gutter loom may include one or more block segments (e.g., one block segment to four or five block segments). Each block segment may have one or more openings (e.g., about 20 openings to about 40 openings) arranged in one or more rows (e.g., two rows). Each opening may form a U-shape around a wall formed within the opening and may receive bristles that can extend downward to contact the surface to be cleaned. The bristles may clean along a path of the gutter loom as the gutter loom rotates about its central axis (i.e., its axis of rotation).

[0014] Surfaces may be made of different materials and / or may collect debris, requiring different cleaning applications. The gutter blooms described herein may have a pattern to fit the various surfaces. The pattern may be defined in part by the number of block segments. Each block segment may have the same or a different array of bristles-receiving openings, the same or a different configuration of the openings, and / or the same or a different positioning of the bristles. Together, this may form a pattern for modularly adapting the gutter bloom to clean one or more specific surfaces.

[0015] The sweeping can target various surfaces and crush and / or remove debris. The bristles can vary in stiffness to adapt the sweeping to various surfaces. For example, the bristles can have a first stiffness or a second stiffness, where the second stiffness is different from the first stiffness. The bristles having the second stiffness can also have a higher stiffness to enable more aggressive sweeping than the first bristles. The quantity and / or location of bristles having different stiffnesses can vary across the gutter broom and gutter broom block to further adapt the sweeping. For example, on paved roads, bristles having a stiffer second stiffness can be limited to prevent abrasive contact, i.e., damage to the road caused by overly aggressive sweeping. In another embodiment, bristles having a second stiffness may be positioned radially outward of bristles having a first stiffness to target surfaces with tufts (e.g., grass or weed patches), such as gutters or surfaces adjacent to curbs or buildings prone to significant tufts. Additionally, positioning bristles with a second stiffness at certain locations can prevent the bristles from spreading as they rotate, thereby increasing the cleaning efficiency of those bristles. Bristles with different stiffnesses can reinforce each other and can function together (e.g., as a composite) to take advantage of the change in stiffness and enable more efficient cleaning.

[0016] The gutter looms described herein are also efficiently manufacturable because each component can be made and distributed separately. Furthermore, providing bristle strips of varying stiffness allows for a lighter gutter loom, thereby supporting manufacturing efficiencies. Increased manufacturing efficiencies can significantly reduce the cost of the gutter loom. Additionally, cost savings can be realized beyond manufacturing; for example, a lighter gutter loom can support extended motor life and reduced operating costs. Therefore, it can be said that bristle strip selection and placement within the gutter loom block are tailored to the type of surface to clean efficiently and prevent damage due to continuous abrasive contact, along with consideration of the machine's motor during operation.

[0017] A gutter loom 100 is shown in FIGS. 1A and 1B. In some aspects, the gutter loom 100 may be mounted on a vehicle 10 (e.g., a truck, tractor, compact vehicle). The vehicle 10 may guide the gutter loom 100 along various surfaces. The gutter loom 100 may be positioned on the side of the vehicle 10 to move along a curb or the side of a building where debris may collect for cleaning (e.g., sweeping, debris and / or granular material removal, etc.). The vehicle 10 may also move the gutter loom 100 along a floor, for example, in a manufacturing area or retail environment. The vehicle 10 may support a drive unit 12 and a drive plate 50. The drive unit 12 may rotate (e.g., via an electric or hydraulic motor) the drive plate 50 and the gutter loom 100 supported by the drive plate 50. The gutter loom 100 can rotate about its central axis 20 (i.e., its axis of rotation) to move and / or crush debris or other material (e.g., weeds, grass, mud, soil, sand, trash, etc.) along its path. The central axis 20 can be generally perpendicular to the path of travel of the gutter loom 100 (e.g., the surface to be cleaned). In one aspect, the central axis 20 can be generally vertical. The gutter loom 100 can be positioned so that it is generally horizontal when it is rotating about the generally vertical central axis 20. In one aspect, the central axis 20 can be generally vertical. The gutter loom 100 can be positioned so that it is generally horizontal when it is rotating about the generally vertical central axis 20.

[0018] As shown in Figures 2 and 3 (see also Figures 11A-16), the gutter loom 100 may be segmented such that it may have one or more block segments 200. In some aspects, the gutter loom 100 may have from about one to about five block segments 200. The gutter loom 100 may further include bristles 300. In one aspect, the bristles 300 may include first bristles 330 and / or second bristles 340. In some aspects, debris or other matter along the path of the gutter loom 100 may be directed upwardly through openings 110 for collection (e.g., by air suction).

[0019] The block segments 200 may be secured to the drive plate 50. In some aspects, the fixed attachment of the block segments 200 to the drive plate 50 may utilize bolts, adhesive, welding, or the like. The block segments 200 may be secured to the drive plate 50 such that they are radially disposed about the central axis 20 of the gutter loom 100. Additionally, the block segments 200 may be arcuate, with the block segments having a thickness T B It is good to have.

[0020] The bristles 300 may be positioned within and extend downwardly from the block segments 200. The bristles 300 on the gutter loom 100 may have an upper end 310 and a lower end 320. The upper end 310 may be supported by the block segments 200, as described in more detail below. The lower end 320 may contact the surface for cleaning.

[0021] In one aspect, the gutta loom 100 can have first bristles 330 and / or second bristles 340. The first bristles 330 can have a first stiffness. The second bristles 340 can have a second stiffness that is different from the first stiffness. Bristles 300 with different stiffnesses can tailor the gutta loom 100 to the particular surface to be cleaned. For example, the quantity and / or location of the first bristles 330 and second bristles 340 on the block segment 200 can be tailored to suit the cleaning needs of the gutta loom 100.

[0022] In one aspect, the block segments 200 may be removably attached to the drive plate 50. In one aspect, the bristles 300 may be removably positioned within the block segments 200. The block segments 200 and bristles 300 may thus be modular so that the gutter loom 100 can be adapted to various surfaces and / or easily serviced after initial assembly. In another aspect, the block segments 200 and bristles 300 may be integrally molded.

[0023] As shown in FIG. 4 , the block segment 200 can have a top surface 215, a bottom surface 225, a first end 210, a second end 220, an outer edge 230, and an inner edge 240. The top surface 215 and the bottom surface 225 can be opposite top and bottom sides of the block segment 200. The first end 210 and the second end 220 can be opposite transversely extending sides of the block segment 200. The outer edge 230 and the inner edge 240 can be curved and can be opposite longitudinally extending sides of the block segment 200. The inner edge 240 can be located radially inward of the outer edge 230 so that the inner edge 240 faces the interior of the gutter loom 100.

[0024] In some aspects, outer edge 230 may be sloped or beveled such that outer edge 230 is oblique to top surface 215 and / or bottom surface 225. The distance from central axis 20 where outer edge 230 meets bottom surface 225 may be greater than the distance from central axis 20 where outer edge 230 meets top surface 215. Thus, bottom surface 225 may extend farther from central axis 20 than top surface 215. In some aspects, block segment 200 does not extend beyond drive plate 50. In other aspects, outer edge 230 of block segment 200 may extend beyond drive plate 50. Thus, gutter bloom 100 may be positioned to absorb side impacts (e.g., from a curb, side of a building, wall, rim, etc.).

[0025] The block segment 200 may further include one or more mounting alignment holes 250. The block segment 200 may include one or more openings 260 arranged in one or more rows 265 and columns 268. Each opening 260 may include a first sidewall 270, a second sidewall 280, and a wall 290. In one aspect, the openings 260 may have approximately the same size and dimensions as one another and have identical walls 290.

[0026] The openings 260 may receive and support the bristles 300, including the first bristles 330 and / or the second bristles 340. As shown in FIG. 5, the openings 260 extend the thickness of the block segment 200 from the top surface 215 to the bottom surface 225 (thickness T shown in FIG. 3). B) through the opening 260. The wall 290 may extend transversely through the opening 260. The bristles 300 may be U-shaped and may be inserted upside down into the opening 260. The bristles 300 may surround the wall 290 so that each side of the bristles 300 (i.e., the legs of the U) may be positioned on opposite sides of the wall 290. The bristles 300 may be retained within the opening 260 by fitting between the first side wall 270 and the second side wall 280. In some aspects, the bristles 300 may be retained by alternative or additional attachment means, such as adhesive, welding, or the like. In one aspect, such a fit allows for some movement of the bristles 300. In this manner, the bristles 300 may flex and conform during rotation of the gutta bloom 100. The bristles 300 may pass through the openings 260 and extend outwardly from the bottom surface 225 of the block segment 200. Further details regarding the bristles 300 are provided below. In some aspects, the openings 260 may be circular in plan view, although other orientations of the openings 260 (e.g., rectangular, oval, etc.) are envisioned.

[0027] 4 and 5, in some aspects, the openings 260 may be arranged in two rows 265, i.e., a first row 266 and a second row 267. In other aspects, the openings 260 may be arranged in three or more rows 265. In one aspect, the rows 265 may be radial rows. The first row 266 may be adjacent to the inner edge 240. The second row 267 may be adjacent to the outer edge 230 such that the second row 267 occupies a position intermediate the first row 266. Thus, the second row 267 may be the outer row, and the first row 266 may be the inner row. In some aspects, the block segment 200 may taper from the outer edge 230 to the inner edge 240. Thus, the first row 266 may include more openings 260 than the second row 267. In other aspects, the first row 266 may have more openings 260 than the second row 267. In some aspects, the first row 266 and the second row 267 may have the same number of openings 260. In these aspects, the openings 260 in the first row 266 may be located closer to each other than the openings 260 in the second row 267.

[0028] The openings 260 in the first row 266 may have a central axis 26 (i.e., an axis located within the openings 260). The openings 260 in the second row 267 may have a central axis 27 (i.e., an axis located within the openings 260). In some aspects, the openings 260 in the first row 266 and the openings 260 in the second row 267 may be generally adjacent. In one aspect, the openings 260 may form a column 268. Thus, the openings 260 arranged in the row 265 may also be arranged in one or more columns 268. In one aspect, the columns 268 may be radial columns. In one aspect, only one opening 260 may be provided in the column 268. In this aspect, the first row 266 and the second row 267 may have a different number of openings 260. In some aspects, the openings 260 are spaced apart from each other by a distance d C In some aspects, the openings 260 may be spaced apart at a distance d RFor example, d C and / or d R The width may range from about 1 cm to about 20 cm, for example, from 5 cm to 15 cm.

[0029] In some aspects, the rows 265 and columns 268 may form an array 269. In some aspects, the array 269 and the quantity and / or position of the first bristles 330 and second bristles 340 within the block segment 200 may together form one or more patterns. As discussed above, the quantity and / or position of the first bristles 330 and second bristles 340 within the block segment 200 may tailor the gutter bristles 100 to clean various surfaces. Each pattern may tailor the gutter bristles 100 to clean one or more specific surfaces. In some aspects, the openings 260 may extend at one or more angles from the top surface 215 to the bottom surface 225 of the block segment through the thickness of the block segment (thickness T shown in FIG. 3 ). B ) The angle through which the openings 260 extend can further define a pattern.

[0030] The opening 260 extends from the top surface 215 to the bottom surface 225 of the block segment at an angle of up to about 60° from an axis parallel to the central axis 20 of the gutta loom 100 as a whole, the thickness of the block segment (thickness T shown in FIG. 3). B 5, in some aspects, the openings 260 arranged in the first row 266 can extend at an angle α1 from the axis 21. For example, α1 can be in the range of about 0° to about 60°, e.g., about 10° to about 30°. Similarly, the openings 260 arranged in the second row 267 can extend at an angle α2 from the axis 22. For example, α2 can be in the range of about 0° to about 60°, e.g., about 10° to about 30°.

[0031] In some aspects, the openings 260 throughout the first row 266 and the second row 267 may extend at the same angle from the axis 21 and the axis 22, respectively. Thus, the angle α from the axis 21 and the angle α from the axis 22 may be approximately the same. Thus, the openings 260 in the array 269 may be similarly angled relative to the vertical. In other aspects, the openings 260 throughout the first row 266 and the second row 267 may extend at different angles from the axis 21 and the axis 22, respectively. Thus, the openings 260 arranged in the first row 266 may extend at an angle α from the axis 21, and the openings 260 arranged in the second row 267 may extend at an angle α from the axis 22. Alternatively, the openings 260 arranged in the same row 266 / 267 may extend at different angles from an axis generally parallel to the central axis 20 of the gutter loom 100. For example, one or more openings 260 located across the first row 266 may extend at an angle α1 from the axis 21. Similarly, one or more openings 260 located across the second row 267 may extend at an angle α2 from the axis 22.

[0032] 5 and 6, the bristles 300 may pass through the openings 260 and extend outward from the bottom surface 225 of the block segment 200. The bristles 300 across the first row 266 may extend outward from the bottom surface 225 of the block segment 200 along the central axis 26 at an angle α1 from the axis 21. The bristles 300 across the second row 267 may extend outward from the bottom surface 225 of the block segment 200 along the central axis 27 at an angle α2 from the axis 22. In some aspects, the bristles 300 extending at the angle α1 from the axis 21 or at the angle α2 from the axis 22 may be generally offset from adjacent bristles 300 (e.g., in the same row 265 or a different row 265) and / or generally parallel to adjacent bristles 300. By offsetting the bristles 300, the degree of contact between adjacent bristles 300 as a whole can be reduced as the gutta loom 100 rotates about the central axis 20. In one aspect, this can allow for the use of relatively long bristles 300. In some aspects, first bristles 330 having a first stiffness and second bristles 340 having a second stiffness can be positioned within the opening 260 according to an angle α1 from the axis 21 and an angle α2 from the axis 22. In this manner, the angles of extension of the first bristles 330 and second bristles 340 can further define a pattern, thereby tailoring the gutta loom 100 to clean one or more particular surfaces.

[0033] 6-7B, in some aspects, block segment 2000 can be substantially similar to block segment 200, and block segment 2000 can include and / or support similar components as block segment 200. In one aspect, block segment 2000 can further include a bristle receptacle 2950.

[0034] In one aspect, the bristle holders 2950 may be integrally formed with the block segments 2000. In another aspect, the bristle holders 2950 may be attached to the block segments 2000 using bolts, adhesive, welding, or the like. In an additional aspect, the bristle holders 2950 may be removable so that they are modular and their placement on the block segments 2000 may be selectable. In one aspect, the bristle holders 2950 may be integrally molded with the block segments 2000. In some aspects, the bristle holders 2950 may support bristles 3000. The bristles 3000 may be positioned within and extend downwardly from the bristle holders 2950. The bristles 3000 may be retained within the bristle holders 2950 by a snap fit, a press fit, or another attachment method (e.g., adhesive, bolts, welding, etc.). In one aspect, the second bristles 3400 can be positioned within a void in the bristle holder 2950. In another aspect, the first bristles 3300 and / or the second bristles 3400 can be positioned within the bristle holder 2950. In some aspects, the bristles 3000 held by the bristle holder 2950 can be angled similarly to the bristles 300 held by the block segments 2000. The addition and / or placement of the bristle holders 2950 can further form a pattern on the block segments 2000 to suit cleaning for a particular application.

[0035] In another aspect, the block segment 2000 may be modified to include a bristle holder 2950 inside the outer edge 2300. In this aspect, the bristle holder 2950 may be formed during an injection molding process, for example, by placing an insert into a tool. The insert may have a cavity to form the bristle holder 2950 that can receive the bristles.

[0036] 5-7B, in some aspects, the openings 260 / 2600, first side walls 270 / 2700, second side walls 280 / 2800, and / or walls 290 / 2900 may each be differently sized and / or reinforced to retain the secondary bristles 340 / 3400. The increased size and / or strength may be sufficient to resist the additional forces exerted by the relatively stiffer bristles 340 / 3400.

[0037] 8A-9B, the bristles 300 may be comprised of one or more of metal, plastic, composite, ceramic, polymer, natural fiber, etc. For example, the bristles 300 may be comprised of one or more of steel, aluminum, nylon, polyester, polypropylene, PVC, plant fiber, or hair. In one aspect, the bristles 300 may be comprised of flattened steel wire. In one aspect, the bristles 300 disposed within the openings 260 may include, for example, about 15 to about 30 individual bristles. In another aspect, the bristles 300 may be comprised of other materials or blends of materials. For example, the bristles 300 may comprise a mixture of steel and polypropylene. In another aspect, the bristles 300 may be comprised of polyurethane or other composite materials having a diameter of about 0.1 cm to about 0.21 cm. In some aspects, the bristles 300 may be round, straight, or crimped.

[0038] Providing bristles 300 of different materials with different structural properties on a single block segment 200 can improve cleaning performance for particular types of debris or surfaces. In another aspect, the bristles 300 can vary in length, thereby improving cleaning performance for particular types of debris or surfaces, such as intermediate surfaces. In this respect, the type of bristles 300 within a block segment 200 can be customized to improve cleaning performance for particular types of debris or surfaces. Thus, the material and profile of the bristles 300 can further define a pattern that adapts the gutter breech 100 to clean one or more particular surfaces. For example, gutter breeches may commonly be used outdoors to clean streets that require different types or levels of contact (e.g., abrasive or delicate). Streets may vary in roughness, and streets may be made of different materials, such as concrete, brick, small cobblestones, and / or asphalt, each of which requires different cleaning methods. Streets may also include brush, such as patches of grass or weeds. In another example, streets may have other natural debris, such as sand, mud, and large and small stones, or non-natural debris, such as trash and recycled materials. Thus, cleaning performance of the gutter loom 100 can be enhanced by modifying the design of the bristles 300 and / or the pattern of bristles 300 within the block segments 200 to effectively clean these different surfaces, brush, and / or debris.

[0039] In one aspect, the gutter bristles 100 may include bristles 300, which may be first bristles 330 having a first stiffness and / or second bristles 340 having a second stiffness. The first bristles 330 and second bristles 340 may be selectively arranged in the block segments 200 to define a pattern for tailoring the gutter bristles 100 to clean one or more specific surfaces. For example, second bristles 340 having a second stiffness greater than the first stiffness of the first bristles 330 may provide stronger contact with the surface to be cleaned to better target debris, such as brush along streetscapes and compacted mud. First bristles 330 having a first stiffness less than the second stiffness of the second bristles 340 may provide more sensitive contact to remove, for example, sand and dust. The gutta loom 100 may have primary bristles 330 and / or secondary bristles 340 to provide abrasive and delicate contact with the surface.

[0040] In some aspects, the first bristles 330 and the second bristles 340 may be positioned within the same opening 260 of the block segment 200. In one aspect, the stiffness of one or more portions of the gutta loom 100 may be varied by increasing or decreasing the number of first bristles 330 or second bristles 340 within the opening 260.

[0041] In another aspect, each opening 260 may have a first bristles 330 or a second bristles 340. In this aspect, to vary the stiffness of one or more portions of the gutta loom 100, the first bristles 330 and the second bristles 340 may be specifically positioned within particular openings 260 of the block segment 200. In one aspect, the second bristles 340 may be positioned within openings 260 arranged in the first row 266 and / or the second row 267. In another aspect, the second bristles 340 may be positioned within openings 260 arranged in only the second row 267. The gutta loom 100 may also be customized by providing relatively few bristles 300. For example, bristle strips 500 may be omitted from the mandrel 200 to create a paddle-shaped contact relationship with a surface, such as for snow removal.

[0042] The positions of the first bristles 330 and the second bristles 340 can be determined and / or varied based on the desired surface to be cleaned. For example, brush on the surface may occur along a curb or the side of a building. Therefore, stiffer bristles can be positioned throughout the second row 267 to target this debris, such as second bristles 340 having a second stiffness greater than the first stiffness of the first bristles 330.

[0043] Additionally, the location of the first bristles 330 and / or second bristles 340 can further define a pattern that tailors the gutta loom 100 for a particular cleaning application. In one aspect, the gutta loom 100 can have more first bristles 330 than second bristles 340 to limit abrasive contact with the surface and prevent damage to the surface. In this manner, the amount of first bristles 330 and / or second bristles 340 can further define the pattern.

[0044] The first bristles 330 can have a first stiffness that is lower than a second stiffness of the second bristles 340. The stiffness can be defined by material, diameter, cross-sectional area, cross-sectional geometry, wall thickness, outer layer, reinforcing coating, ribs, openings, etc. For example, the first bristles 330 can have a cross-sectional geometry that is circular, oval, rectangular, star-shaped, plus sign-shaped, etc. As shown in FIGS. 8A-8B, the first bristles 330 can be made of steel, such as flattened spring steel. In other aspects, the first bristles 330 can be made of other materials (e.g., metals, plastics, composites, ceramics, polymers, natural fibers, etc.). In one aspect, the first bristles 330 can include a material having a first modulus of elasticity that is lower than a second modulus of elasticity of the material of the second bristles 340.

[0045] In another aspect, the first bristles 330 and the second bristles 340 can be made of the same material but can have varying stiffnesses based on other properties, such as diameter, cross-sectional area, cross-sectional geometry, wall thickness, outer layer, reinforcing coating, ribs, openings, etc. In some aspects, the diameter of each first bristles 330 can be about 0.5 mm. In another aspect, the diameter (or width) of each first bristles 330 can be about 0.2 cm to about 0.4 cm, and the first bristles 330 can be made of hardened spring steel having a diameter of about 0.05 cm to about 0.11 cm. In another aspect, the first bristles 330 can be compact cables having a diameter of about 0.3 cm to about 1.2 cm. In another aspect, the first bristles 330 can be flattened drawn wire having a rectangular cross section. The thickness can range from about 0.03 inches to about 0.05 inches. The width can range from about 0.08 inches to about 0.2 inches. In one aspect, the first bristles 330 can have a first cross-section with a first geometric shape. In one aspect, the properties of the first bristles 330 can provide a low moment of inertia relative to a surface plane. Thus, the first bristles 330 can be useful for delicate cleaning to target separation between various planes. Increased travel length and flexibility can be achieved upon impact, allowing the first bristles 330 to buckle to reach crevices, roughness, crevices, and the like. Thus, the first bristles 330 can better target light debris (e.g., sand) and particulate matter.

[0046] As shown in Figures 9A and 9B, the secondary bristles 340 can be made of steel, such as flattened spring steel. In other aspects, the primary bristles 330 can be made of other materials (e.g., metal, plastic, composite, ceramic, polymer, natural fiber, etc.). In one aspect, the diameter of each secondary bristles 340 can range from about 0.3 cm (0.125 inches) to about 0.8 cm (5.16 inches). In one aspect, the secondary bristles 340 can be hardened spring steel, and the diameter of such secondary bristles can range from about 0.05 cm to about 0.11 cm. In another aspect, the secondary bristles 340 can be compact cable, and the diameter of such secondary bristles can range from about 0.3 cm to about 1.2 cm. In some aspects, the diameter of each secondary bristles 340 can be about 0.476 cm (about 3 / 16 inch). The secondary bristles 340 can be thicker than the primary bristles 330, such that the secondary bristles 340 are stiffer. In other aspects, the secondary bristles 340 can be folded onto a composite "core" (i.e., central mass), such that the bristles are stiffer than the primary bristles 330.

[0047] In some aspects, the secondary bristles 340 can be rods or flat shapes made of a poly material. In some aspects, the secondary bristles 340 can be coated with a poly material. In these aspects, based on testing, the gutta loom 100 facilitates undergrowth clearing (e.g., clearing of vegetation and / or dirt / mud). In these aspects, the diameter of each secondary bristles 340 can range from about 0.1 cm to about 3 cm, such as from about 0.3 cm (0.125 inches) to about 1.27 cm (0.5 inches) or 1.9 cm (0.75 inches).

[0048] In one aspect, the second bristles 340 can have a second cross-section having a second geometric shape. In some aspects, the second bristles 340 can have a cross-sectional geometric shape that is circular, oval, rectangular, star-shaped, plus sign-shaped, or the like. The cross-sectional geometric shape can increase the stiffness of the second bristles 340. For example, in some aspects, the second bristles 340 can have a ribbed exterior. Forces from side impacts can be transferred to the openings between the ribs. In this manner, the second bristles 340 can absorb the impact and reduce deflection (i.e., the second bristles 340 can be stiff). In one aspect, the second bristles 340 can have a high moment of inertia relative to a surface plane. Thus, relatively stiff secondary bristles 340 may be useful for targeting debris that may be tough for powerful sweeping to move or crush (i.e., cut), such as brush, compacted dirt, large and small rocks, etc. Higher stiffness can reduce buckling and provide inertial impact to move tough debris. Secondary bristles 340 positioned together (e.g., grouped or adjacently positioned) can more effectively grip and / or crush tough debris.

[0049] As described above, the bristles 300 may extend from the block segments 200 at an angle relative to an axis generally parallel to the central axis 20 of the gutter loom 100. The angle, position, stiffness, material, diameter, length, cross-sectional geometry, and combinations thereof, of the bristles 300 may be patterned to adapt the gutter loom 100 to various surfaces for cleaning. For example, gutter surfaces that may be difficult to clean (e.g., because debris may be compacted from irregular sweeping and / or because the surface itself is difficult to reach) may be effectively cleaned by the second bristles 340, which may have increased stiffness. Thus, in some aspects, the second bristles 340 may be positioned radially outward of the first bristles 330 to reach the gutter surface. Angling the second bristles 340 may further help the gutter loom 100 target this debris. In another aspect, the second bristles 340 may additionally or alternatively be positioned radially inward of the first bristles 330 to target debris on the ground.

[0050] 10A-15, as described above, the gutter loom 100 may be segmented such that it can have one or more block segments 200. In some aspects, each block segment can have the same or a different array 269, the same or a different configuration of the openings 260, and / or the positioning of the bristles 300 (including the positioning of the first bristles 330 and / or the second bristles 340). This can further define a pattern to adapt the gutter loom 100 to various surfaces for cleaning. The different gutter loom 100 patterns will now be described in more detail.

[0051] 10A and 10B, in some aspects, the block segment 200 of the gutter loom 100 can have openings 260 arranged in a first row 266 and a second row 267. In some aspects, the block segment 200 can have approximately 31 openings 260. As noted above, in some aspects, the first row 266 can have more openings 260 than the second row 267. Thus, the first row 266 can have approximately 16 openings 260, and the second row 267 can have approximately 15 openings 260. Each opening 260 in each first row 266 can receive and support a bristles 300. In some aspects, both first bristles 330 having a first stiffness and second bristles 340 having a second stiffness greater than the first stiffness can be positioned within the openings 260. In one aspect, the second bristles 340 may be positioned within a number of the openings 260 arranged in the second row 267. In one aspect, approximately four second bristles 340 may be positioned within the openings 260 arranged in the second row 267. Accordingly, the first bristles 330 may be positioned within the remaining openings 260 in the second row 267 and / or the first row 266. In this manner, the second bristles 340 may be positioned radially outward of the first bristles 330 in the column 268.

[0052] In one aspect, four of the openings 260 in the second row 267 may have second bristles 340. In one aspect, the second bristles 340 may be alternately positioned within the openings 260 in the second row 267, such that the second bristles 340 are positioned adjacent only to the first bristles 330 in the second row 267. In one aspect, the adjacently positioned first bristles 330 and second bristles 340 can move together when the gutter loom 100 rotates about the central axis 20. Therefore, adjacent first bristles 330 and second bristles 340 can reinforce each other and prevent spreading by distributing radial support. In this manner, the first bristles 330 and second bristles 340 can maintain their overall positions. In another aspect, the second bristles 340 can be positioned within the openings 260 of the second row 267 such that at least two openings 260 containing first bristles 330 are positioned between the openings 260 containing second bristles 340. In another aspect, each of the openings 260 of the first row 266 can accommodate a first bristles 330. In a separate aspect, one or more of the openings 260 of the first row 266 can accommodate a second bristles 340.

[0053] 11A and 11B, in one aspect, four of the openings 260 in the second row 267 can accommodate the second bristles 340. In one aspect, two consecutively positioned openings 260 in the second row 267 can accommodate the second bristles 340. The opening 260 positioned adjacent to the two consecutively positioned openings 260 can accommodate the first bristles 330. In one aspect, the second bristles 340 can be positioned alternately and consecutively within the second row 267, such that each second opening 260 that accommodates a second bristles 340 is positioned adjacent to only one other second bristles 340. By receiving the second bristles 340 in two consecutively positioned openings 260 in the second row 267, the second bristles 340 can support each other to create a more abrasive contact on the cleaning surface. In another aspect, each of the openings 260 in the first row 266 can receive a first bristles 330. In a separate aspect, one or more of the openings 260 in the first row 266 can receive a second bristles 340.

[0054] 12A and 12B, in one aspect, four of the openings 260 in the second row 267 can accommodate second bristles 340. In one aspect, four or more openings 260 containing second bristles 340 can be positioned consecutively within the second row 267, such that all openings 260 containing second bristles 340 are adjacent to one another. In this manner, adjacent second bristles 340 having a higher second stiffness can reinforce each other, creating a more abrasive contact. Additionally, adjacent first bristles 330, for example, throughout the first row 266, can reinforce the second bristles 340 and prevent them from spreading by distributing radial support. In another aspect, each of the openings 260 in the first row 266 can accommodate a first bristles 330. In a separate aspect, one or more of the openings 260 in the first row 266 may accommodate secondary bristles 340 .

[0055] 13, in one aspect, the gutter loom 100 can have multiple block segments 200. In some aspects, the multiple block segments 200 can have the same pattern of first bristles 330 and second bristles 340 within the openings 260. In other aspects, the gutter loom 100 can have multiple block segments 200 with different patterns of first bristles 330 and second bristles 340, such as any of those shown in FIG. 10A, FIG. 11A, or FIG. 12A. The various patterns of block segments 200 can vary contact with debris and surfaces as needed over the life of the gutter loom 100.

[0056] 14 and 15, in one aspect, about one or more block segments 200 can have the same pattern of first bristles 330 and second bristles 340, while other block segments 200 can have different patterns of first bristles 330 and second bristles 340. The other block segments 200 can have the same or different patterns of first bristles 330 and second bristles 340.

[0057] As shown in FIG. 14, the gutter loom 100 may have first and second block segments 200 having openings 260 that accommodate only the first bristles 330, and third and fourth block segments 200 having openings 260 that accommodate the first bristles 330 and the second bristles 340, according to the pattern shown in FIG. 10A.

[0058] As shown in Figure 15, the gutter loom 100 may have two or more block segments 200 having openings 260 with first bristles 330 and second bristles 340 according to the same pattern, for example, any of the patterns shown in Figures 10A, 11A, or 12A, and another block segment 200 having a particular pattern, for example, another of the patterns shown in Figures 10A, 11A, or 12A. In one aspect, the gutter loom 100 may have two or more block segments 200 according to the pattern shown in Figure 12A and another block segment 200 according to the pattern shown in Figure 10A.

[0059] As shown in FIG. 16 , the gutter loom 100 can have one or more block segments 200 (e.g., about four to about five block segments 200) having openings 260 containing first bristles 330 and second bristles 340 arranged according to the same pattern. In this regard, each block segment 200 can have two or more openings 260 (e.g., three openings) containing second bristles 340 positioned consecutively in a second row 267, such that all of the openings 260 containing second bristles 340 are adjacent to one another. In some aspects, two or more openings 260 containing second bristles 340 can be positioned consecutively in the second row 267, such that the openings 269 are grouped together and adjacent to a single opening 260 containing a first bristles 330 on the outer end 292 of the block segment 200. In some aspects, each of the one or more block segments 200 may have multiple groups of two or more openings 260 containing second bristles 340 positioned consecutively in the second row 267. In this aspect, each of the groups of three or more openings 260 containing second bristles 340 positioned consecutively in the second row 267 may be grouped together and positioned adjacent to one opening 260 containing a first bristles 330 on the outer end 292 of the block segment 200. Thus, the second row 267 may have one or more groups of second bristles 340 positioned consecutively in the second row 267. In some aspects, if a block segment 200 can have approximately 31 openings 260, and each block segment 200 has two groups of three openings 260 containing second bristles 340 positioned consecutively in the second row 267, each group may be separated by at least six openings 260 (e.g., eight openings 260) containing second bristles 340.

[0060] In some aspects, the block segment 200 can have a 0.25 inch (0.635 cm) super swaged cable. In some aspects, the second bristles 340 can have between about 15 and about 40 super swaged cables, e.g., about 24 super swaged cables. In some aspects, any of the contemplated patterns can have the second bristles 340 having a length between about 50 mm and about 90 mm, e.g., between about 65 mm and about 85 mm, e.g., between about 65 mm and about 80 mm, e.g., about 66 mm (e.g., 26 inches). In some aspects, the second bristles 340 can be between about 2 cm and about 3 cm longer than the first bristles 330, e.g., about 1 inch (2.54 cm) longer. In some respects, the secondary bristles 340 being longer than the primary bristles 330 can improve performance in terms of cleaning efficiency at the beginning of life, for example, the secondary bristles 340 can scrape the surface better (e.g., more firmly), while the primary bristles 330 remain less stiff and more flexible.

[0061] Based on testing, gutta looms 100, such as the gutta loom 100 provided in FIG. 16, enhance brush cleaning (e.g., cleaning of vegetation and / or dirt / mud). The gutta loom 100 can also effectively clean an area in a single pass, i.e., 90% of the time. In contrast, a conventional gutta loom 100 requires at least three passes to efficiently clean an area. In addition, the gutta loom 100 has a lifespan at least 2-2.5 times longer than a conventional gutta loom. For example, a conventional gutta loom has a lifespan of approximately 30-40 hours before needing replacement. This is because a conventional gutta loom requires multiple passes through difficult areas, such as bushy areas, to clean. The gutta loom 100 has a lifespan 2-2.5 times longer (e.g., 60-80 hours before needing replacement) and also has modular components that can be serviced and / or replaced as needed. The substantial increase in lifespan is due in part to more effective first pass cleaning of difficult areas in the bush. Testing of the Gutta Bloom 100 versus a conventional Gutta Bloom involved a comparison of constant load and RPM against a fixed surface, e.g., concrete structural cinder block.

[0062] In some aspects, the secondary bristles 340 may include a swaged cable with a poly coating. In some aspects, based on testing, an unwound cable including the secondary bristles 340 performs better than a conventional gutter loom insert in terms of cleaning efficiency in areas containing growing brush (e.g., cleaning vegetation and / or dirt / mud). In these aspects, based on testing results, the block segments 200 can remain intact and undamaged.

[0063] It should be understood that the Detailed Description section, and not the Summary and Abstract sections, is intended to be used to interpret the claims. While the Summary and Abstract sections describe one or more exemplary aspects of the invention contemplated by the inventors, they do not describe every exemplary aspect and thus are not intended to limit the scope of the invention and the appended claims in any way.

[0064] The present invention has been described above with the aid of functional building blocks illustrating embodiments of, and relationships of, specified functions. The boundaries of these functional blocks have been arbitrarily defined herein for the convenience of explanation. Alternative boundaries may be defined so long as the specified functions and relationships thereof are appropriately performed.

[0065] The above description of specific aspects fully expresses the overall nature of the present invention, so that others, by applying ordinary knowledge in the art, can readily modify and / or adapt the present invention for various uses, e.g., specific aspects, without undue experimentation, without departing from the general technical spirit of the present invention. Therefore, such applications and modifications are intended to be within the meaning and range of equivalents of the disclosed aspects, based on the teaching and guidance provided herein. It should be understood that the words and phrases used herein are for the purpose of description, not limitation, and therefore should be interpreted by those of skill in the art in light of the teaching and guidance.

[0066] The breadth and scope of the present invention should not be limited by any of the above-described exemplary aspects, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A block segment for a gutta loom, comprising: the block segments have openings for receiving bristles, the openings extending through the block segments in a thickness direction from a top surface of the block segments to a bottom surface of the block segments, the openings being arranged in outer rows and inner rows positioned radially inward of the outer rows; having bristles positioned within the openings, the bristles including first bristles having a first stiffness and second bristles having a second stiffness higher than the first stiffness, the second bristles being positioned only in the outer rows, and the first bristles being positioned in the inner rows and adjacent to the second bristles in the outer rows; a block segment having a wall extending transversely within each opening, each of the bristles positioned within the opening surrounding the wall to form a U-shape, such that a first side of the bristles and a second side of the bristles are positioned on opposite sides of the wall.

2. The block segment of claim 1 , wherein the second bristles have a second cross-sectional area that is greater than the first cross-sectional area of ​​the first bristles.

3. 2. The block segment of claim 1, wherein the first bristles have a first cross-sectional area of ​​a first geometric shape and the second bristles have a second cross-sectional area of ​​a second geometric shape different from the first geometric shape.

4. The block segment of claim 1 , wherein the second bristles have a second diameter greater than a first diameter of the first bristles.

5. the first bristles include a first material having a first modulus of elasticity; The block segment of claim 1 , wherein the second bristles comprise a second material having a second modulus of elasticity that is higher than the first modulus of elasticity.

6. The block segment of claim 5 , wherein the first modulus of elasticity and the second modulus of elasticity are approximately equal.

7. The block segment of claim 1 , wherein the second bristles include at least one of an outer layer, a coating, and a rib.

8. The block segment of claim 1 , wherein the first bristles and the second bristles are made of metal.

9. one of the openings extends through the block segment in the thickness direction from the top surface of the block segment to the bottom surface of the block segment at an angle from an axis generally parallel to a central axis of the gutter loom; 2. The block segment of claim 1, wherein the bristles extend outward from the bottom surface of the block segment at the angle.

10. The block segment of claim 1 , wherein the first bristles are positioned generally adjacent to the second bristles.

11. further having about 20 to about 40 openings; The block segment of claim 1 , wherein the second bristles are positioned within about 4 to about 8 of the openings.

12. 12. The block segment of claim 11, wherein at least two of the openings accommodate adjacent second bristles in the outer row.

13. 2. The block segment of claim 1, wherein the first bristles have a first cross-sectional geometry and the second bristles have a second cross-sectional geometry that is different from the first cross-sectional geometry.

14. A block segment for a gutta loom, comprising: an opening extending through the block segment in a thickness direction from a top surface of the block segment to a bottom surface of the block segment and arranged between an outer edge and an inner edge of the block segment; a first bristles positioned in the opening, the first bristles having a first stiffness; a wall extending transversely within each opening, each of the bristles positioned within the opening surrounding the wall to form a U-shape, such that a first side of the bristles and a second side of the bristles are positioned on opposite sides of the wall; a bristle receptacle integrally formed with the outer edge of the block segment; A block segment having second bristles with a second stiffness greater than the first stiffness, the second bristles positioned within the bristle receptacle.

15. 15. The block segment for a gutter bloom of claim 14, further comprising a second bristle receptacle spaced apart from the first bristle receptacle along the outer edge of the block segment, the second bristles being positioned within the first bristle receptacle and the second bristle receptacle.

16. 15. A block segment for a gutter loom as claimed in claim 14, wherein the bristle receptacle projects radially outward from the outer edge of the block segment.

17. A block segment for a gutta loom as described in claim 14, wherein the bristle container is integrally molded with the block segment.

18. 15. A block segment for a gutter bloom as claimed in claim 14, wherein the bristle receptacle is inside the outer edge of the block segment.

19. A block segment for a gutta loom as described in claim 14, wherein the second bristles are held within the cavity by an interference fit.

20. A block segment for a gutta loom as described in claim 14, wherein the first bristles have a first thickness and the second bristles have a second thickness greater than the first thickness.

Citation Information

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