CA2140160A1 - Mowing guard - Google Patents
Mowing guardInfo
- Publication number
- CA2140160A1 CA2140160A1 CA002140160A CA2140160A CA2140160A1 CA 2140160 A1 CA2140160 A1 CA 2140160A1 CA 002140160 A CA002140160 A CA 002140160A CA 2140160 A CA2140160 A CA 2140160A CA 2140160 A1 CA2140160 A1 CA 2140160A1
- Authority
- CA
- Canada
- Prior art keywords
- guard
- mowing
- side wall
- band
- upstanding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0237—Devices for protecting a specific part of a plant, e.g. roots, trunk or fruits
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0243—Protective shelters for young plants, e.g. tubular sleeves
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
- Protection Of Plants (AREA)
Abstract
A mowing guard has a band element that forms a side wall of a tray-like container disposed on the ground about the base of a tree trunk, lamp post, utility pole, fire hydrant or like upstanding element. A bottom as constituted by drapeable sheet material inhibitive of growth of plant material connected to a lower edge of the side wall. The drapeable sheet has an opening conforming to the tree trunk or other element and extending to an opening in the side wall allowing the guard to be installed around the tree trunk or other element. The drapeable material is disposed to form a substantially continuous plant growth inhibitive covering between the tree trunk or other element and the wall element. The container may be filled with mulch material.
Description
~ 2~016~
The present invention relates to a mowing guard.
It i8 known to provide tree guards which are intended to be placed on the ground around the base of a tree trunk for the purpose of discouraging growth of grass and weeds 5 around the tree trunk, and serving to protect the tree from mower impact damage as a result of attempts to mow grass and weeds around the tree trunk base. Similar guards may also be applied around fire hydrants, utility poles, lamp posts and other upstanding elements normally located in lO expanses of grass or the like.
The applicant is aware of various prior proposals for such guards, but the prior structures of which applicant is aware are relatively complex and expensive to manufacture and are not as efficient as is desirable in 15 discouraging weed, grass or other plant growth and in protecting tree trunks and other items from mower impact damage .
In accordance with the present invention there is provided a mowing guard comprising a stiff band element 20 having ends, means for connecting together said ends and adapted to form said band into an endless upstanding wall element adapted to be placed on the ground around an upstanding element such as a tree trunk, and a ground covering element connected to an edge of said band that 25 forms a lower edge of said wall element and having at least one discontinuity extending from adjacent said ends to a middle portion of the covering element for ~ ting the upstanding element therethrough, said ground covering element comprising drapeable sheet material inhibitive of 30 the growth of plant material therethrough and adapted to be disposed to form a plant growth inhibitive covering extending substantially continuously between the upstanding element and said wall element.
This structure is adapted to form a tray-like 35 container disposed on the ground about the base of the tree --2~0160 trunk or other upstanding element, with the wall element defining a side wall of the container and the bottom of the container constituted by the drapable sheet material po~sed to form a substantially continuous plant growth 5 inhibitive covering between the upstanding element and the wall element . Such container may be f illed with mulch material, in order to further inhibit plant growth, serve as a physical buffer between the wall element and the upstanding element, tend to reinforce the wall element, 10 absorb impact forces resulting from the incidence of mowing apparatus on the outside of the wall element, and provide an aesthetically attractive appearance.
A mowing guard in accordance with the invention will be described in more detail, by way of example only, 15 with refercnce to the accompanying drawings.
Figure 1 shows a plan view of band elements adapted to form a wall element of a mowing guard in accordance with the invention.
Figure 2 is a bottom view of the completed mowing 20 guard, with a side of the guard open to allow installation around a tree trunk or like upstanding element.
Figure 3 is a side view taken on the line Fig. 3 of Fig. 2.
Figure 4 is a perspective view showing the mowing 25 guard in the course of installation around a tree trunk.
Figure 5 is a respective view showing the installed guard filled with mulch material.
Figure 6 is a cross-section on an enlarged scale showing the connecting means for the wall element of the 3 0 guard .
~1~0160 Refcrring to the drawings, a mowing guard 10 comprises a stiff band element 11 which is adapted to ~urL~Ju~ld or encircle the base of a tree trunk. In the example illustrated, the band element 11 is adapted to form 5 a frusto-conical wall element 12 in its installed and assembled form. In the example shown, the band element 11 comprises two part semi-circular portions lla and llb, as seen in plan view in Fig. 1, formed with small openings 13 through adj acent ends, whereby the overlapped ends can be 10 connected together using snap-in fastening elements 14 as seen in more detail in Figs. 4 and 6 passed through the op~n i n~c 13 . Such snap-through connector elements are in themselves conventional and their application need not be described in detail herein. The band element may be a 15 single piece, however, or may be formed from more than two elements j oined together .
In manufacture of the mowing guard, one end of a portion lla is overlapped with an adjacent end of the other portion llb and fastened together using fastening elements 20 14, as seen in Fig. 2 and a circular piece of sheet material 16 is attached to the a66embly of the part circular element6 lla and llb, for example by 6ewing, along a line 17 61ightly inset from the lower edge of the elements lla and llb. The sheet material 16 ha6 a 25 di6continuity, for example a 61it or opening, bordered by edges 18 and 19, that extend6 from adjacent the opening defined by the free ends of the portion6 lla and llb to approximately the centre of the 6heet. Further, in the preferred form, the material ha6 a serie6 of 61it6 21 30 extending from the central portion of the material 16, the 61its 21 and discontinuity 18 and 19 defining between them 6ector 6haped sheet material portion6 23 extending inwardly from adjacent the periphery of the material 16.
The material 16 i6 a drapable 6heet material 35 that, in use, tend6 to inhibit plant growth through it.
For example, the 6heet material may be conventional ,, ~., , 21~0~6D
1 i~n-lcc Iri n~ fabric that is pervious to air and moisture but is impervious to plant seeds, so that grass seeds or the like will not penetrate downwardly through the fabric and will not tend to germinate. Preferably, however, the sheet 5 material 16 i5 a substantially impervious sheet pla6tic film material, for example a polyethylene film, such as a clear polyethylene film, that will not only prevent penetration of grass or weed seeds or the like downwardly into the soil adjacent the base of the tree trunk or other 10 element around which the guard is to be applied, but may also serve to inhibit growth of plant material in the region covered by the sheet, for example as a result of encroa~ 1_ of grass or weeds inwardly under the mowing guard from the region of the ground immediately adjacent 15 the exterior of the mowing guard.
In use, in the example shown in Figure 4, the mowing guard 10 is placed around the base of a tree trunk 22. It will be appreciated that the guard may, however, be applied around a fire hydrant, utility pole, lamp post or 20 like upstanding element. The sector shaped pieces 23 def ined between the slits and the di6continuity 18 and 19 are if necessary draped and arranged over one another 80 that their edges overlap and overlap on the side of the tree trunk 22 or other element. When the initially free 25 ends of the pieces lla and llb are drawn together, overlapped and fastened with the fastener elements 14, the edges 18 and 19 overlap so that there is a substantially complete covering of the ground surface by the sheet material 16 between the tree trunk 22 or other element and 30 the wall element 12 formed by the joined pieces lla and llb. In its assembled form, the mowing guard therefore provides a tray-like container having a side wall 12 and a bottom formed by the overlapped portions of the fabric 16.
Into this container may be placed mulch material, for 35 example organic mulch material, such as bark chips, shredded wood fibres, or the like, or inorganic mulch, such as gravel, stone chippings, crushed brick particles or the 2~0~6~
like. The guard may also be fllled with concrete or the like. The material 24 as seen in Figure 5 serves to 8t~hi l i 7e or anchor the mowing guard in place, by virtue of its weight, and serves further to inhibit plant growth 5 around the base of the tree, and can also serve as a highly effective physical buffer between the wall element 12 and the tree trunk 22 or other element, and tending to reinforce the wall element 22 against deflection inwardly.
Further, the mulch or other material 24 can absorb impact 10 forces resulting from a mower or like mowing i-yyaLcl~us striking the outside of the wall element. Further, the mulch or other material 24 provides an aesthetically attractive appearance.
Preferably, the band elements lla and llb forming 15 the wall 12 are relatively stiff, and may be formed of plastic material of thicker gauge than the film 16.
Preferably, the elements lla and llb are stamped or cut out of heavy gauge ultraviolet resistant high density polyethylene sheet.
Various modifications or variations of the mowing guard structure are of course possible. For example, instead of the mowing guard being essentially circular in plan, it could be square, rectangular, oval, triangular or of other conf iguration. For example, the wall element 12 could be a four-sided generally square structure with upwardly inwardly sloping walls, somewhat in the fashion of a squat truncated pyramidal structure, being closed on three sides and having an opening on a fourth side, and having a generally square piece of the drapeable fabric 16 connected along its lower 6ide. As with the structure shown in detail in Figs. 2 to 6 of the accompanying drawings, such drapeable sheet material 16 would carry slits and have an opening extending to adjacent the opening of the open fourth side, so that the wall element can be installed around a tree trunk or other element and the drapeable sheet material elements arranged to form a 214~6~
substantially complete covering between the tree trunk or other element and the wall element.
Preferably, the wall element inrl in~d inwardly upwardly, to assist in retaining the mulch material and 5 providing a smoother transition between the ground surface and the mowing guard. It would, however, equally be possible to employ a guard having a vertically upstanding side wall. For example, the side wall could be formed by a single band element joLned together end to end to form a 10 squat cylindrical structure . Various other modif ications and variations will occur to those of ordinary skill in the art .
The present invention relates to a mowing guard.
It i8 known to provide tree guards which are intended to be placed on the ground around the base of a tree trunk for the purpose of discouraging growth of grass and weeds 5 around the tree trunk, and serving to protect the tree from mower impact damage as a result of attempts to mow grass and weeds around the tree trunk base. Similar guards may also be applied around fire hydrants, utility poles, lamp posts and other upstanding elements normally located in lO expanses of grass or the like.
The applicant is aware of various prior proposals for such guards, but the prior structures of which applicant is aware are relatively complex and expensive to manufacture and are not as efficient as is desirable in 15 discouraging weed, grass or other plant growth and in protecting tree trunks and other items from mower impact damage .
In accordance with the present invention there is provided a mowing guard comprising a stiff band element 20 having ends, means for connecting together said ends and adapted to form said band into an endless upstanding wall element adapted to be placed on the ground around an upstanding element such as a tree trunk, and a ground covering element connected to an edge of said band that 25 forms a lower edge of said wall element and having at least one discontinuity extending from adjacent said ends to a middle portion of the covering element for ~ ting the upstanding element therethrough, said ground covering element comprising drapeable sheet material inhibitive of 30 the growth of plant material therethrough and adapted to be disposed to form a plant growth inhibitive covering extending substantially continuously between the upstanding element and said wall element.
This structure is adapted to form a tray-like 35 container disposed on the ground about the base of the tree --2~0160 trunk or other upstanding element, with the wall element defining a side wall of the container and the bottom of the container constituted by the drapable sheet material po~sed to form a substantially continuous plant growth 5 inhibitive covering between the upstanding element and the wall element . Such container may be f illed with mulch material, in order to further inhibit plant growth, serve as a physical buffer between the wall element and the upstanding element, tend to reinforce the wall element, 10 absorb impact forces resulting from the incidence of mowing apparatus on the outside of the wall element, and provide an aesthetically attractive appearance.
A mowing guard in accordance with the invention will be described in more detail, by way of example only, 15 with refercnce to the accompanying drawings.
Figure 1 shows a plan view of band elements adapted to form a wall element of a mowing guard in accordance with the invention.
Figure 2 is a bottom view of the completed mowing 20 guard, with a side of the guard open to allow installation around a tree trunk or like upstanding element.
Figure 3 is a side view taken on the line Fig. 3 of Fig. 2.
Figure 4 is a perspective view showing the mowing 25 guard in the course of installation around a tree trunk.
Figure 5 is a respective view showing the installed guard filled with mulch material.
Figure 6 is a cross-section on an enlarged scale showing the connecting means for the wall element of the 3 0 guard .
~1~0160 Refcrring to the drawings, a mowing guard 10 comprises a stiff band element 11 which is adapted to ~urL~Ju~ld or encircle the base of a tree trunk. In the example illustrated, the band element 11 is adapted to form 5 a frusto-conical wall element 12 in its installed and assembled form. In the example shown, the band element 11 comprises two part semi-circular portions lla and llb, as seen in plan view in Fig. 1, formed with small openings 13 through adj acent ends, whereby the overlapped ends can be 10 connected together using snap-in fastening elements 14 as seen in more detail in Figs. 4 and 6 passed through the op~n i n~c 13 . Such snap-through connector elements are in themselves conventional and their application need not be described in detail herein. The band element may be a 15 single piece, however, or may be formed from more than two elements j oined together .
In manufacture of the mowing guard, one end of a portion lla is overlapped with an adjacent end of the other portion llb and fastened together using fastening elements 20 14, as seen in Fig. 2 and a circular piece of sheet material 16 is attached to the a66embly of the part circular element6 lla and llb, for example by 6ewing, along a line 17 61ightly inset from the lower edge of the elements lla and llb. The sheet material 16 ha6 a 25 di6continuity, for example a 61it or opening, bordered by edges 18 and 19, that extend6 from adjacent the opening defined by the free ends of the portion6 lla and llb to approximately the centre of the 6heet. Further, in the preferred form, the material ha6 a serie6 of 61it6 21 30 extending from the central portion of the material 16, the 61its 21 and discontinuity 18 and 19 defining between them 6ector 6haped sheet material portion6 23 extending inwardly from adjacent the periphery of the material 16.
The material 16 i6 a drapable 6heet material 35 that, in use, tend6 to inhibit plant growth through it.
For example, the 6heet material may be conventional ,, ~., , 21~0~6D
1 i~n-lcc Iri n~ fabric that is pervious to air and moisture but is impervious to plant seeds, so that grass seeds or the like will not penetrate downwardly through the fabric and will not tend to germinate. Preferably, however, the sheet 5 material 16 i5 a substantially impervious sheet pla6tic film material, for example a polyethylene film, such as a clear polyethylene film, that will not only prevent penetration of grass or weed seeds or the like downwardly into the soil adjacent the base of the tree trunk or other 10 element around which the guard is to be applied, but may also serve to inhibit growth of plant material in the region covered by the sheet, for example as a result of encroa~ 1_ of grass or weeds inwardly under the mowing guard from the region of the ground immediately adjacent 15 the exterior of the mowing guard.
In use, in the example shown in Figure 4, the mowing guard 10 is placed around the base of a tree trunk 22. It will be appreciated that the guard may, however, be applied around a fire hydrant, utility pole, lamp post or 20 like upstanding element. The sector shaped pieces 23 def ined between the slits and the di6continuity 18 and 19 are if necessary draped and arranged over one another 80 that their edges overlap and overlap on the side of the tree trunk 22 or other element. When the initially free 25 ends of the pieces lla and llb are drawn together, overlapped and fastened with the fastener elements 14, the edges 18 and 19 overlap so that there is a substantially complete covering of the ground surface by the sheet material 16 between the tree trunk 22 or other element and 30 the wall element 12 formed by the joined pieces lla and llb. In its assembled form, the mowing guard therefore provides a tray-like container having a side wall 12 and a bottom formed by the overlapped portions of the fabric 16.
Into this container may be placed mulch material, for 35 example organic mulch material, such as bark chips, shredded wood fibres, or the like, or inorganic mulch, such as gravel, stone chippings, crushed brick particles or the 2~0~6~
like. The guard may also be fllled with concrete or the like. The material 24 as seen in Figure 5 serves to 8t~hi l i 7e or anchor the mowing guard in place, by virtue of its weight, and serves further to inhibit plant growth 5 around the base of the tree, and can also serve as a highly effective physical buffer between the wall element 12 and the tree trunk 22 or other element, and tending to reinforce the wall element 22 against deflection inwardly.
Further, the mulch or other material 24 can absorb impact 10 forces resulting from a mower or like mowing i-yyaLcl~us striking the outside of the wall element. Further, the mulch or other material 24 provides an aesthetically attractive appearance.
Preferably, the band elements lla and llb forming 15 the wall 12 are relatively stiff, and may be formed of plastic material of thicker gauge than the film 16.
Preferably, the elements lla and llb are stamped or cut out of heavy gauge ultraviolet resistant high density polyethylene sheet.
Various modifications or variations of the mowing guard structure are of course possible. For example, instead of the mowing guard being essentially circular in plan, it could be square, rectangular, oval, triangular or of other conf iguration. For example, the wall element 12 could be a four-sided generally square structure with upwardly inwardly sloping walls, somewhat in the fashion of a squat truncated pyramidal structure, being closed on three sides and having an opening on a fourth side, and having a generally square piece of the drapeable fabric 16 connected along its lower 6ide. As with the structure shown in detail in Figs. 2 to 6 of the accompanying drawings, such drapeable sheet material 16 would carry slits and have an opening extending to adjacent the opening of the open fourth side, so that the wall element can be installed around a tree trunk or other element and the drapeable sheet material elements arranged to form a 214~6~
substantially complete covering between the tree trunk or other element and the wall element.
Preferably, the wall element inrl in~d inwardly upwardly, to assist in retaining the mulch material and 5 providing a smoother transition between the ground surface and the mowing guard. It would, however, equally be possible to employ a guard having a vertically upstanding side wall. For example, the side wall could be formed by a single band element joLned together end to end to form a 10 squat cylindrical structure . Various other modif ications and variations will occur to those of ordinary skill in the art .
Claims (20)
1. A mowing guard comprising a stiff band element having ends, means for connecting together said ends and adapted to form said band into an endless upstanding wall element adapted to be placed on the ground around an upstanding element, and a ground covering element connected to an edge of said band that forms a lower edge of said wall element and having at least one discontinuity extending from adjacent said ends to a middle portion of the covering element for accommodating the upstanding element therethrough, said ground covering element comprising drapeable sheet material inhibitive of the growth of plant material therethrough and adapted to be disposed to form a plant growth inhibitive covering extending substantially continuously between the upstanding element and said wall element.
2. A mowing guard as claimed in claim 1 wherein said connecting means are adapted to connect said ends in overlapping relationship and portions of said sheet material on either side of said discontinuity are adapted to overlap when the ends of the band overlap.
3. A mowing guard as claimed in claim 1 wherein said at least one discontinuity comprises a plurality of slits radiating from the middle portion toward said edge of the band.
4. A mowing guard as claimed in claim 1 wherein said wall element inclines inwardly upwardly.
5. A mowing guard as claimed in claim 4 wherein said band is part circular and is adapted to form a frusto-conical wall element and said covering element is generally circular.
6. A mowing guard as claimed in claim 5 wherein said band comprises two part semi-circular pieces joined together end to end.
7. A mowing guard as claimed in claim 1 wherein said endless wall element is relatively wide in relation to its height.
8. A mowing guard as claimed in claim 1 wherein said drapeable sheet material comprises sheet plastic material.
9. A mowing guard as claimed in claim 8 wherein said plastic is polyethylene.
10. A mowing guard as claimed in claim 1 wherein said band element comprises stiff sheet plastic material.
11. A mowing guard as claimed in claim 10 wherein said plastic comprises high density polyethylene.
12. A mowing guard comprising a tray-like container disposed on the ground about the base of an upstanding element and comprising a stiff upstanding endless wall element defining a side wall of the container and a bottom of the container constituted by drapeable sheet material inhibitive of growth of plant material therethrough connected to a lower edge of said side wall, having an opening conforming to the upstanding element and disposed to form a substantially continuous plant growth inhibitive covering between the upstanding element and the wall element, said container filled with mulch material.
13. A mowing guard as claimed in claim 12 wherein said side wall is relatively shallow in relation to the width of the container.
14. A mowing guard as claimed in claim 12 wherein said side wall has a gap and means for closing the gap, and said sheet material has said opening extending from the gap to a middle portion thereof.
15. A mowing guard as claimed in claim 12 wherein said opening comprises a plurality of slits radiating from the middle portion toward said side wall.
16. A mowing guard as claimed in claim 12 wherein said side wall inclines inwardly upwardly.
17. A mowing guard as claimed in claim 16 wherein said side wall is a frusto-conical.
18. A mowing guard as claimed in claim 17 wherein said side wall comprises two part semi-circular pieces joined together end to end.
19. A mowing guard as claimed in claim 12 wherein said drapeable sheet material comprises sheet plastic.
20. A mowing guard as claimed in claim 19 wherein said plastic is polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002140160A CA2140160A1 (en) | 1995-01-13 | 1995-01-13 | Mowing guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002140160A CA2140160A1 (en) | 1995-01-13 | 1995-01-13 | Mowing guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2140160A1 true CA2140160A1 (en) | 1996-07-14 |
Family
ID=4155038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002140160A Abandoned CA2140160A1 (en) | 1995-01-13 | 1995-01-13 | Mowing guard |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2140160A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2204269A1 (en) * | 2002-01-31 | 2004-04-16 | Evangelina Serrano Cano | Device for preventing weed growth, comprises micro perforated plate and body with certain thickness, where body is equipped on surface of micro perforated plate |
-
1995
- 1995-01-13 CA CA002140160A patent/CA2140160A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2204269A1 (en) * | 2002-01-31 | 2004-04-16 | Evangelina Serrano Cano | Device for preventing weed growth, comprises micro perforated plate and body with certain thickness, where body is equipped on surface of micro perforated plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |