CA2268851A1 - Cushioned straight edge and cutting device - Google Patents
Cushioned straight edge and cutting device Download PDFInfo
- Publication number
- CA2268851A1 CA2268851A1 CA 2268851 CA2268851A CA2268851A1 CA 2268851 A1 CA2268851 A1 CA 2268851A1 CA 2268851 CA2268851 CA 2268851 CA 2268851 A CA2268851 A CA 2268851A CA 2268851 A1 CA2268851 A1 CA 2268851A1
- Authority
- CA
- Canada
- Prior art keywords
- straight edge
- cushioned
- cutting device
- upper portion
- handle
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
- B44C7/025—Machines, apparatus, tools or accessories therefor for cutting wallpaper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
- B44C7/06—Machines, apparatus, tools or accessories therefor for applying the paper to the surface to be covered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
- B44C7/08—Machines, apparatus, tools or accessories therefor for finishing operations
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/18—Implements for finishing work on buildings for setting wall or ceiling slabs or plates
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Knives (AREA)
Abstract
A cushioned straight edge and cutting device is disclosed. The device includes a body, a handle and a resiliently deformable cushioned portion. The body has an upper portion and a straight edge spaced below the upper portion. The handle is attached to the upper portion. The resiliently deformable cushioned portion is attached to the body and extends below the upper portion. The device of the present invention can be used as a level and help to guide a straight edge cut. It will help to protect the working surface and wall covering while the user is using it to level and cut a straight edge. Further, it can be used to pressure hold wall coverings against minor surface irregularities and wall contours. This helps to minimize the slippage of the wall covering during installation. The handle allows the user to hold the device with one hand while cutting with the other and it helps to reduce slipping when the user is cutting wall coverings. The device may also be used to mark level lines.
Description
CANADIAN PATENT APPLICATION
HILL & SCHUMACHER
CUSHIONED STRAIGHT EDGE AND CUTTING DEVICE
Inventor: Terenci Gilbert DeMeo CUSHIONED STRAIGHT EDGE AND CUTTING DEVICE
FIELD OF THE INVENTION
This invention relates to straight edges and in particular straight edges used in the wall covering installation.
BACKGROUND OF THE INVENTION
There are a wide variety of tools used in the construction and decorating trades. These tools vary widely in their function and design. The construction and decorating trades include such things as wall coverings installation.
Wall covering installation is particularly challenging where thick, textured wall covering is being installed, where there are imperfections on the work surface and where the wall covering is particularly thin and delicate. Where the wall covering is thick and textured it can be difficult to obtain a smooth double cut where adjacent pieces of wall coverings are being joined. In addition, it is often difficult to cut a straight vertical line without damaging the wall coverings and without slipping or misaligning the line. It is difficult to hold a rigid straight edge to a wall covering, push the wall covering onto a wall with an irregular surface and cut a straight line without the wall covering moving, the wall covering ripping or the straight edge slipping.
A number of devices have been suggested to aid in the construction and decorating trades. For example, U.S. patent 5,279,041 issued to Wright on January 18, 1994 shows a device having an elongate ruler or straight edge, a body or base portion and a number of levels. The straight edge is arranged such that when the device is placed against a working surface the straight edge is closely adjacent to but spaced from the working surface, however the body and base portion rest against the working surface but spaced from the straight edge. This device helps the user to cut a horizontal straight line or a vertical straight line but it does not provide any method for minimizing the risk of damaging the wall coverings or dealing with imperfections in the wall surface.
Another device is shown in U.S. patent 4,660,292 issued to Richardson on April 28, 1987. This device is a combination measuring device, level and plumb.
This device includes an L-shaped block which is mounted generally in the centre of an elongate planar member with a straight edge. A level is mounted on each arm of the block so that the measuring device can be positioned horizontally or vertically. The measuring device includes two scales arranged such that the measuring device can be used to measure distance longer than one length of the measuring device without having to perform any arithmetic. The elongate planar member rests against the working surface. Similarly, this device provides a method for measuring distances with a straight edge but it does not provide any method for minimizing the risk of damaging the wall coverings or dealing with imperfections in the wall surface.
Accordingly it would be advantageous to provide a device that includes a straight edge that reduces the risk of damaging the wall coverings and provides a method of dealing with imperfections in the wall surface.
HILL & SCHUMACHER
CUSHIONED STRAIGHT EDGE AND CUTTING DEVICE
Inventor: Terenci Gilbert DeMeo CUSHIONED STRAIGHT EDGE AND CUTTING DEVICE
FIELD OF THE INVENTION
This invention relates to straight edges and in particular straight edges used in the wall covering installation.
BACKGROUND OF THE INVENTION
There are a wide variety of tools used in the construction and decorating trades. These tools vary widely in their function and design. The construction and decorating trades include such things as wall coverings installation.
Wall covering installation is particularly challenging where thick, textured wall covering is being installed, where there are imperfections on the work surface and where the wall covering is particularly thin and delicate. Where the wall covering is thick and textured it can be difficult to obtain a smooth double cut where adjacent pieces of wall coverings are being joined. In addition, it is often difficult to cut a straight vertical line without damaging the wall coverings and without slipping or misaligning the line. It is difficult to hold a rigid straight edge to a wall covering, push the wall covering onto a wall with an irregular surface and cut a straight line without the wall covering moving, the wall covering ripping or the straight edge slipping.
A number of devices have been suggested to aid in the construction and decorating trades. For example, U.S. patent 5,279,041 issued to Wright on January 18, 1994 shows a device having an elongate ruler or straight edge, a body or base portion and a number of levels. The straight edge is arranged such that when the device is placed against a working surface the straight edge is closely adjacent to but spaced from the working surface, however the body and base portion rest against the working surface but spaced from the straight edge. This device helps the user to cut a horizontal straight line or a vertical straight line but it does not provide any method for minimizing the risk of damaging the wall coverings or dealing with imperfections in the wall surface.
Another device is shown in U.S. patent 4,660,292 issued to Richardson on April 28, 1987. This device is a combination measuring device, level and plumb.
This device includes an L-shaped block which is mounted generally in the centre of an elongate planar member with a straight edge. A level is mounted on each arm of the block so that the measuring device can be positioned horizontally or vertically. The measuring device includes two scales arranged such that the measuring device can be used to measure distance longer than one length of the measuring device without having to perform any arithmetic. The elongate planar member rests against the working surface. Similarly, this device provides a method for measuring distances with a straight edge but it does not provide any method for minimizing the risk of damaging the wall coverings or dealing with imperfections in the wall surface.
Accordingly it would be advantageous to provide a device that includes a straight edge that reduces the risk of damaging the wall coverings and provides a method of dealing with imperfections in the wall surface.
SUMMARY OF THE INVENTION
The present invention is a cushioned straight edge and cutting device.
The device includes a body, a handle and a resiliently deformable cushioned portion.
The body has an upper portion and a straight edge spaced below the upper portion.
The handle is attached to the upper portion. The resiliently deformable cushioned portion is attached to the body and extends below the upper portion.
Further features of the invention will be described or will become apparent in the course of the following detailed description.
BRIEF DESCRIPTION OF THE DRAWING
The following is a description, by way of example only, of the cushioned straight edge constructed in accordance with the present invention, reference being had to the accompanying drawings, in which:
Figure 1 is a disassembled perspective view of a cushioned straight edge and cutting device of the present invention;
Figure 2 is a cross sectional view of an assembled cushioned straight edge and cutting device of the present invention taken along line 2-2 of figure 1;
Figure 3 is a perspective view of an alternate embodiment of a cushioned straight edge and cutting device of the present invention showing an alternate handle;
Figure 4 is a perspective view of a second alternate embodiment of cushioned straight edge and cutting device of the present invention showing one handle similar to that shown in figure 1;
The present invention is a cushioned straight edge and cutting device.
The device includes a body, a handle and a resiliently deformable cushioned portion.
The body has an upper portion and a straight edge spaced below the upper portion.
The handle is attached to the upper portion. The resiliently deformable cushioned portion is attached to the body and extends below the upper portion.
Further features of the invention will be described or will become apparent in the course of the following detailed description.
BRIEF DESCRIPTION OF THE DRAWING
The following is a description, by way of example only, of the cushioned straight edge constructed in accordance with the present invention, reference being had to the accompanying drawings, in which:
Figure 1 is a disassembled perspective view of a cushioned straight edge and cutting device of the present invention;
Figure 2 is a cross sectional view of an assembled cushioned straight edge and cutting device of the present invention taken along line 2-2 of figure 1;
Figure 3 is a perspective view of an alternate embodiment of a cushioned straight edge and cutting device of the present invention showing an alternate handle;
Figure 4 is a perspective view of a second alternate embodiment of cushioned straight edge and cutting device of the present invention showing one handle similar to that shown in figure 1;
Figure 5 is a perspective view of a third alternate embodiment of the cushioned straight edge and cutting device of the present invention showing a plurality of finger holes; and Figure 6 is a perspective view of a fourth alternate embodiment of the cushioned straight edge and cutting device of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
Referring to figures 1 and 2, the cushioned straight edge and cutting device of the present invention is shown generally at 10. The cushioned straight edge 10 includes an elongate body 12 having a straight edge 14, a handle or grip 16, and a resiliently deformable or cushioned portion 18.
The elongate body 12 has an upper portion 20, a straight edge 14 and a restraining lip 22. The angle between the upper portion 20 and the straight edge 14 is approximately 120°. The angle between the upper portion and the restraining lip 22 is approximately 90°. Body 12 has a hole 19 formed therein so that a user could hang device 10 on a nail or the like. Preferably the body is made of stainless steel and then bent into the required shape. Preferably the corners of straight edge 14 are slightly rounded.
The cushioned portion 18 is preferably made of slip resistant rubber. The cushioned portion facilitates the user when positioning the straight edge close to an area that has some surface imperfections or where the user is cutting through two layers of wall coverings. In addition the slip resistant cushioned portion 18 aids the user in reducing the likelihood of the device moving during use. The slip resistant cushioned portion 18 reduces the likelihood of the device slipping especially as compared to straight edges made of polished metal. Preferably cushioned portion 18 is made from water resistant neoprene rubber.
The upper surface 24 of cushioned portion 18 generally has the same dimensions as the undersurface 25 of body 12. The cushioned portion 18 is generally trapezoidal in its cross sectional shape. The cushioned portion 18 is in registration with and attached to the undersurface 25 of body 12. The sloped portion 27 is spaced from the straight edge 14 as shown in figure 2. The bottom surface 26 of cushioned portion 18 extends slightly below the straight edge 14 (as best shown in figure 3) so that a slight pressure on cushioned straight edge cutting device 10 will bring the straight edge 14 into contact with the work surface. Therefore, the cushioned portion extends below the straight edge in the at rest position, but under pressure, it may be deformed so that the bottom surface 26 is parallel to the straight edge 14.
Note that the space between the sloped portion 27 of cushioned portion 18 and the straight edge 14 provides a space into which the cushioned portion may expand when pressure is exerted thereon. Especially where there are surface irregularities on the work place the cushioned portion may be deformed so that the bottom surface 26 is parallel to the straight edge 14. Alternatively the cushioned portion 48 may be rectangular in cross section as shown in figures 5 and 6. Each cushioned portion 18 and 48 has a hole 21 formed therein which is in registration with hole 19.
Referring to figure 1 a pair of handles 16 are attached to body 12 to allow the user to easily grip and manoeuvre the device 10. Preferably the handles 16 are slightly off centre to allow the user to easily use the straight edge 14 as a cutting guide.
In addition, level holder 28 is attached to the body so that the user can ensure that it is positioned correctly. Level holder 28 includes two levels 29 positioned at right angles to each other. The level holder 28 is positioned with two holes 31 and may be attached to body 12 with adhesive, screws or other fastener.
Optionally ruler markings 30 may be provided on the straight edge 14, as shown in figures 4 and 5. Ruler markings 30 could be stamped into the stainless steel straight edge 14 or attached thereto with a decal.
A couple of alternate grip arrangements are shown in figures 3, 4 and 5.
Figure 3 shows a handle 32 which extends the length of the device. Handle 32 has a constant profile along the length of the device. It may be made from extruded plastic with the straight edge 14 attached thereto. Alternatively figure 4 shows a device similar to figures 1 and 2 but with only one handle 16. Figure 5 shows another alternative wherein a series of finger holes 34 are provided as a way to grip device 36.
Each hole 34 has rubber protector 38 therearound.
Referring to figure 6 an alternate body 40 includes holder portion 42 and a straight edge 44 attached thereto. Preferably, holder portion 42 is made from extruded plastic, such as polypropylene. A handle is suitably attached thereto.
Alternatively, a handle could be integrally attached to holder portion 42 and integrally formed during the extrusion process.
Thus it will be appreciated by those skilled in the art that the cushioned straight edge and cutting device 10 of the present invention has a number of features that will be very useful in the wall coverings trades. Specifically the device 10 can be used as a level, a drawing tool or a guide for a straight edge cut. It can be used for horizontal or vertical lines. It will help to protect the working surface and wall covering while the user is using it to level and cut a straight edge. Further, it can be used to pressure hold wall coverings against minor surface irregularities and wall contours.
This helps to minimize the slippage of the wall covering during installation.
The handle allows the user to hold the device with one hand while cutting with the other and it helps to reduce slipping when the user is cutting wall coverings.
It will be appreciated by those skilled in the art that the cushioned straight edge and cutting device 10 of the present invention could be made in a variety of sizes.
For example the device could be 2 feet or 3 feet long by 3 inches wide with a cushioned portion of 1/2 inch. Alternatively the device could be primarily for office use and 16 inches long by 2 inches wide with a cushioned portion of 1/4 inch.
It will be appreciated that the above description is related to one embodiment by way of example only. Many variations on the invention will be obvious to those skilled in the art and such obvious variations are within the scope of the invention as described herein whether or not expressly described.
_7_
DETAILED DESCRIPTION OF THE INVENTION
Referring to figures 1 and 2, the cushioned straight edge and cutting device of the present invention is shown generally at 10. The cushioned straight edge 10 includes an elongate body 12 having a straight edge 14, a handle or grip 16, and a resiliently deformable or cushioned portion 18.
The elongate body 12 has an upper portion 20, a straight edge 14 and a restraining lip 22. The angle between the upper portion 20 and the straight edge 14 is approximately 120°. The angle between the upper portion and the restraining lip 22 is approximately 90°. Body 12 has a hole 19 formed therein so that a user could hang device 10 on a nail or the like. Preferably the body is made of stainless steel and then bent into the required shape. Preferably the corners of straight edge 14 are slightly rounded.
The cushioned portion 18 is preferably made of slip resistant rubber. The cushioned portion facilitates the user when positioning the straight edge close to an area that has some surface imperfections or where the user is cutting through two layers of wall coverings. In addition the slip resistant cushioned portion 18 aids the user in reducing the likelihood of the device moving during use. The slip resistant cushioned portion 18 reduces the likelihood of the device slipping especially as compared to straight edges made of polished metal. Preferably cushioned portion 18 is made from water resistant neoprene rubber.
The upper surface 24 of cushioned portion 18 generally has the same dimensions as the undersurface 25 of body 12. The cushioned portion 18 is generally trapezoidal in its cross sectional shape. The cushioned portion 18 is in registration with and attached to the undersurface 25 of body 12. The sloped portion 27 is spaced from the straight edge 14 as shown in figure 2. The bottom surface 26 of cushioned portion 18 extends slightly below the straight edge 14 (as best shown in figure 3) so that a slight pressure on cushioned straight edge cutting device 10 will bring the straight edge 14 into contact with the work surface. Therefore, the cushioned portion extends below the straight edge in the at rest position, but under pressure, it may be deformed so that the bottom surface 26 is parallel to the straight edge 14.
Note that the space between the sloped portion 27 of cushioned portion 18 and the straight edge 14 provides a space into which the cushioned portion may expand when pressure is exerted thereon. Especially where there are surface irregularities on the work place the cushioned portion may be deformed so that the bottom surface 26 is parallel to the straight edge 14. Alternatively the cushioned portion 48 may be rectangular in cross section as shown in figures 5 and 6. Each cushioned portion 18 and 48 has a hole 21 formed therein which is in registration with hole 19.
Referring to figure 1 a pair of handles 16 are attached to body 12 to allow the user to easily grip and manoeuvre the device 10. Preferably the handles 16 are slightly off centre to allow the user to easily use the straight edge 14 as a cutting guide.
In addition, level holder 28 is attached to the body so that the user can ensure that it is positioned correctly. Level holder 28 includes two levels 29 positioned at right angles to each other. The level holder 28 is positioned with two holes 31 and may be attached to body 12 with adhesive, screws or other fastener.
Optionally ruler markings 30 may be provided on the straight edge 14, as shown in figures 4 and 5. Ruler markings 30 could be stamped into the stainless steel straight edge 14 or attached thereto with a decal.
A couple of alternate grip arrangements are shown in figures 3, 4 and 5.
Figure 3 shows a handle 32 which extends the length of the device. Handle 32 has a constant profile along the length of the device. It may be made from extruded plastic with the straight edge 14 attached thereto. Alternatively figure 4 shows a device similar to figures 1 and 2 but with only one handle 16. Figure 5 shows another alternative wherein a series of finger holes 34 are provided as a way to grip device 36.
Each hole 34 has rubber protector 38 therearound.
Referring to figure 6 an alternate body 40 includes holder portion 42 and a straight edge 44 attached thereto. Preferably, holder portion 42 is made from extruded plastic, such as polypropylene. A handle is suitably attached thereto.
Alternatively, a handle could be integrally attached to holder portion 42 and integrally formed during the extrusion process.
Thus it will be appreciated by those skilled in the art that the cushioned straight edge and cutting device 10 of the present invention has a number of features that will be very useful in the wall coverings trades. Specifically the device 10 can be used as a level, a drawing tool or a guide for a straight edge cut. It can be used for horizontal or vertical lines. It will help to protect the working surface and wall covering while the user is using it to level and cut a straight edge. Further, it can be used to pressure hold wall coverings against minor surface irregularities and wall contours.
This helps to minimize the slippage of the wall covering during installation.
The handle allows the user to hold the device with one hand while cutting with the other and it helps to reduce slipping when the user is cutting wall coverings.
It will be appreciated by those skilled in the art that the cushioned straight edge and cutting device 10 of the present invention could be made in a variety of sizes.
For example the device could be 2 feet or 3 feet long by 3 inches wide with a cushioned portion of 1/2 inch. Alternatively the device could be primarily for office use and 16 inches long by 2 inches wide with a cushioned portion of 1/4 inch.
It will be appreciated that the above description is related to one embodiment by way of example only. Many variations on the invention will be obvious to those skilled in the art and such obvious variations are within the scope of the invention as described herein whether or not expressly described.
_7_
Claims (14)
1. A cushioned straight edge and cutting device comprising:
a body with an upper portion and a straight edge spaced below the upper portion; and a resiliently deformable cushioned portion attached to the body and extending below the upper portion.
a body with an upper portion and a straight edge spaced below the upper portion; and a resiliently deformable cushioned portion attached to the body and extending below the upper portion.
2. A cushioned straight edge and cutting device as claimed in claim 1 wherein the upper portion and the straight edge form an obtuse angle therebetween.
3. A cushioned straight edge and cutting device as claimed in claim 2 wherein the body is stainless steel.
4. A cushioned straight edge and cutting device as claimed in claim 2 wherein the body has a holder portion with a straight edge attached thereto.
5. A cushioned straight edge and cutting device as claimed in claim 4 wherein the holder portion is extruded plastic and the straight edge is stainless steel.
6. A cushioned straight edge and cutting device as claimed in claim 2 wherein the cross section of the cushioned portion is generally trapezoidal and an upper surface of the cushioned portion is in registration with an undersurface of the body.
7. A cushioned straight edge and cutting device as claimed in claim 2 wherein the cross section of the cushioned portion is generally rectangular.
8. A cushioned straight edge and cutting device as claimed in claim 2 wherein the body further includes a lip extending downwardly from the upper portion on the opposed side from the straight edge.
9. A cushioned straight edge and cutting device as claimed in claim 3 wherein the cushioned portion extends below the straight edge in the at rest position and may be deformed so that the bottom surface is parallel to the straight edge.
10. A cushioned straight edge and cutting device as claimed in claim 3 wherein the cushioned portion extends below the straight edge in the at rest position and may be deformed so that the bottom surface is above the straight edge.
11. A cushioned straight edge and cutting device as claimed in claim 2 further including a grip attached to the upper portion.
12. A cushioned straight edge and cutting device as claimed in claim 11 wherein the grip is handle.
13. A cushioned straight edge and cutting device as claimed in claim 11 wherein the grip is continuous handle extending along the body.
14. A cushioned straight edge and cutting device as claimed in claim 11 wherein the grip is at least two holes formed in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2268851 CA2268851A1 (en) | 1999-04-13 | 1999-04-13 | Cushioned straight edge and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2268851 CA2268851A1 (en) | 1999-04-13 | 1999-04-13 | Cushioned straight edge and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2268851A1 true CA2268851A1 (en) | 2000-10-13 |
Family
ID=29588767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2268851 Abandoned CA2268851A1 (en) | 1999-04-13 | 1999-04-13 | Cushioned straight edge and cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2268851A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2441762A (en) * | 2006-09-13 | 2008-03-19 | William Frederick Marshall | Ballast Concrete Block Laying Aid |
| WO2019103653A1 (en) * | 2017-11-27 | 2019-05-31 | Артур Яшарович ДАДАСЯН | Device for smoothing a layer of plaster |
-
1999
- 1999-04-13 CA CA 2268851 patent/CA2268851A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2441762A (en) * | 2006-09-13 | 2008-03-19 | William Frederick Marshall | Ballast Concrete Block Laying Aid |
| GB2441762B (en) * | 2006-09-13 | 2009-04-08 | William Frederick Marshall | Aid for the lifting and laying of heavy concrete blocks |
| WO2019103653A1 (en) * | 2017-11-27 | 2019-05-31 | Артур Яшарович ДАДАСЯН | Device for smoothing a layer of plaster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |