CA1176611A - Attachment for ladders or the like - Google Patents
Attachment for ladders or the likeInfo
- Publication number
- CA1176611A CA1176611A CA000447596A CA447596A CA1176611A CA 1176611 A CA1176611 A CA 1176611A CA 000447596 A CA000447596 A CA 000447596A CA 447596 A CA447596 A CA 447596A CA 1176611 A CA1176611 A CA 1176611A
- Authority
- CA
- Canada
- Prior art keywords
- ladder
- attachment
- wall
- box
- normally
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/14—Holders for pails or other equipment on or for ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
ATTACHMENT FOR LADDERS OR THE LIKE
ABSTRACT OF THE DISCLOSURE
An attachment is disclosed for use with a ladder to prevent marring of the wall surface or the like by the upper ends of side members of the ladder. Preferably, the attachment is of the type of a box having its bottom spaced from the lower margin of the side and end walls and so arranged that it can be placed over the top of an extension ladder or the like. Elastic securement means constantly pull the box downwards, to one of the upper rungs of the ladder. That wall of the box, which normally faces the wall against which the ladder is to rest, is provided with a resilient cushion such as a rubber-like padding or the like. The box is convenient to store, easy to attach to a ladder and inexpensive to produce.
Besides, it provides secondary function as a tray for tools or the like capable of being suspended at a mid-level of the ladder if required.
ABSTRACT OF THE DISCLOSURE
An attachment is disclosed for use with a ladder to prevent marring of the wall surface or the like by the upper ends of side members of the ladder. Preferably, the attachment is of the type of a box having its bottom spaced from the lower margin of the side and end walls and so arranged that it can be placed over the top of an extension ladder or the like. Elastic securement means constantly pull the box downwards, to one of the upper rungs of the ladder. That wall of the box, which normally faces the wall against which the ladder is to rest, is provided with a resilient cushion such as a rubber-like padding or the like. The box is convenient to store, easy to attach to a ladder and inexpensive to produce.
Besides, it provides secondary function as a tray for tools or the like capable of being suspended at a mid-level of the ladder if required.
Description
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ATTACHMENT FOR LADDERS OR THE LIKE
-BACKGROUND OF T~E INVENTION
The present invention relates to attachments for ladders or the like having the purpose of providing cushion or the like means for to preventing an associated ladder from marring the wall such as an aluminum siding wall.
It is known to provide ladders at the upper ends of the side members with rags or the like cushioning to avoid damaging of the wall. The application of such cushioning to the free ends of the side members of the ladder is a relatively lengthy work and often gives rise to problems with storage of the cushion members when not in use. The ease of application and removal of the cushioning therefore is of importance.
In some applications, the use of the rag or the like cushioning at the ends of the side members of the associated ladder is insuficient since the cushions at ; the respective ends of the side members still present a relatively small area of contact which is not capable to sufficiently reduce the specific pressure at the wall surface. Thus, it is often desirable to increase the area of contact between the upper end of the ladder and the associated wall. To this end, proposals have been made which are best represent~d by U.S. Patent 3,734,236, issued May 22, 1~73 to Gerald Houtler. In this arrangement, there is a front rectangular wall provided with a cushioning. The position of the front wall is selectively adjustable so that it normally assumes an upright position. The front wall is fixedly secured to a normally generally horizontal platform which serves the purpose of holding the tools, paint or the like material needed while working on the ladder. The platform and the front wall are secured to the ladder by a linkage ,;
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mechanism which allows for adjustability o the relative angle between the plane defined by the ladder and the normally generally horizontal platform and vertical front wall. The mechanism proposed in the above patent works such that there are two side members under the platform.
The free ends of the side members remote from the front wall are each provided with a cut-out complementary with the upper rung of the ladder. Two struts are pivotally secured to the side members near the front wall and are arranged such that their length can be ad~usted so that the free end portions can then engage with their cut-outs one of the rungs disposed below the uppermost rung engaged by the first mentioned side membersO mis arrangement, while providing the protection of the wall surface by substantially increasing the area of contact and thus decreasing the specific pressure, is extremely complex not only from the standpoint of the manufacture but also as far as the attachment to the ladder is concerned. The storage of the device while not in use is also a problem due to a number of different braces and protrusions and a number of removable parts which can become lost thus rendering the device useless.
SUMMA~Y OF THE INVENTIO~
Accordingly, it is an object of the present invention to provide an attachment for ladders or the like of the type producing a preferably rectangular front wall provided with a cushion as is the case in U.S. Patent 3,734,236, which would be substantially simpler in production, which would provide easy storage and which would be easy to secure to or remove from an associated ladder.
In general terms and in a broader aspect of the presen$ invention, the invention provides an attachment for ladders or the like adapted to present cushion means or preventing an associated ladder fxom marring the surface against which the ladder is to rest, said . , ~L766~
3.
attachment comprising: a normally generally upright front wall means having an outer surface proYided with a resilient cushion means, said front wall means including a normally upper margin section and a normally lower margin section; a normally generally horizontal, flat, support wall means secured to the front wall means at an inner surface thereof, said support wall means coinciding with a normally generally horizontal plane spaced from and disposed between said upper margin section and said lower margin section; a pair of end wall means secured to at least one of said front wall means and said support wall means near a corner formed between the front wall means and the support wall means at an underside of the latter, said end wall means being spaced from each other a distance, said distance being slightly in excess of outer spacing between side members of an associated ladder or : slightly less than inner spacing between side members of an associated ladder, whereby the attachment can be placed over top ends of side members of an associated ladder, with the top ends of side members of the ladder engaging : said wall means~ and securemenmt means for securing said attachment to an associated ladder.
In a particularly preferred embodiment, an attachment is provided for ladders adpated to provide cushion means to prevent an associated ladder from marring the surface against which the ladder is to rest, said attachment comprising, in combination: a rectangular box-shaped member including two opposed, elongated, ~: generally planar walls forming a front wall and a rear wall, two opposed, generally planar end walls of generally identical size and shape, one at each end of the front and rear walls, and a generally planar bottom wall; said front, rear and end walls having top and bottom edge portions coincident with a top plane and a bottom plane, respectively, said top and bottom planes being generally parallel with each other, said bottom wall being generally parallel with said top and bottom planes and being "
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disposed between the top plane and the bottom plane at a spacing from each of the two, the inside spacing between the end walls being slightly in excess of the outside distance between side members of an associated ladder, whereby the box-shaped member can be placed over a normally upper end of an associated ladder, with normally upper ends of the side members of the ladder nested between the end walls and resting against the front wall and against normally downwardly facin~ surface of the bottom wall: resilient cushion means secured at the : exterior surface of said front wall, and securement means for securing said box-shaped structure to an associated ladder.
BRIEF DESCRIPTION OF THE DRAWI~GS
A preferred and an exemplary embodiment of the present invention will now be described with reference to the accompanying drawings wherein:
FIGURE 1 - is a simplified perspective view of a preferred embodiment of the present invention:
FIGURE 2 - is a view showing the attachment of FIGURE 1 secured to the upper end of an extension ladder;
25 FIGURE 3 - is a view showing the attachment of FIGURE 1 secured to a step ladder;
FIGURE 4 - is a partly cut-out view showing the attachment suspended f rom a ladder at a generally mid-height of the associated ladder; and FIGURE 5 - is a view similar to that of FIGURE 1 but showing a modification of the structure of the present invention.
DETAILED DESGRIPTIO~
Turning firstly to the representation of FIGURE
1, reference numeral 10 generally designates a box-shaped ., ~7~6~
5.
member which is composed of rear wall 11, a front wall 12, parallel with the rear wall, two end walls 13, 14 and a bottom wall 15. It will become apparent from subsequent description that the member 10 in Fig. 1 is an inverted position to a normal position which it assumes when becoming secured to an associated ladder. The following references to "edge portions" etc. should therefore be understood as referring to a position assumed, for instance, in FIGURE 2 or 3 as opposed to that of FIGURE 1 or FIGURE 4. The front wall 12 has a bottom edge portion 16. The bottom edge portions of the remaining walls 11, 13 and 14 are designated with reference numerals 17, 18 and 19, respectively. Similarly, the top edge portions of the walls 11, 12, 13 and 14 (see FIGURE 2) are designated with reference numerals 20, 21, 22 and 23, respectively.
It will be appreciated from FIGURE 1 that the bottom edge portions 16-19 coincide (in FIGURE 2 or 3) with a normally generally horizontal lower plane while the top edge portions 20, 21, 22 and 23 coincide with an upper, normally generally horizontal plane. The bottom wall 15 is spaced from both such planes and is disposed therebetween so that a part of each of the front and rear walls 12 and 11 and also of the side walls 13, 14, protrudes above and below the bottom wall 15.
The inside spacing between the walls 13 and 14 generally corresponds to the width of an associated ladder as measured at the outer side extremities of the side members. Accordingly, the size of the box shown in FIGURE
1 is such that the upper end portion of an associated ladder can be inserted within the space defined by the end walls 14 and 13 while resting against the front wall 12 and the underside of the bottom wall 15, as will be described later on.
FIGURE 1 further shows two examples of securement means for securing the box-shaped structure to an associated ladder. The pre~erred securement means is simply an elastic cord 24 having a hook 25 at one end and 6. ~76~
a hook 26 at the other end thereof. The hooks 25, 26 are complementary with the respective eyelets 27, 28 disposed each centrally of the respective front or rear wall 12, 11. The eyelets 27, 28 form one embodiment of what is generally referred to as "first hook-up means", the hooks 25, 26 being an embodiment o~ "second hook-up means" as referred to hereinafter. The exterior of the front wall is provided with a resilient padding 29.
The box-shaped structure 10 can also be used with three or more suspension elements. Reference numeral 30 designates a suspension hook which is shown in the position at which it would normally appear when the box is suspended from a ladder. Similarly, reference numeral 31 shows a suspension hook o~ identical configuration with that of the hook 30. A third suspension hook 32 is similar in configuration with the first-mentioned hooks 30, 31 but its length is sufficient to secure that with the hooks placed as shown, the upper part of the hook 32 can be engaged with a rung which is disposed above that rung which is engaged by the upper parts of hooks 30, 31, as will be shown hereinafter.
~ Referring still to the arrangements shown in ; FIGURE 1 but disregarding the elastic cord 24, reference may be had to FIGURE 4 which shows the box of the present invention in a suspended state. The box is now suspended on hooks 30, 31 and 32 from rungs 33, 34 disposed one ; above the other and located approximately at the centre of an associated ladder 35. In this position, the padding 29, of course, is not functional and the attachment serves strictly as a box for holding tools or the like required for the particular work to be done.
Turning now to FIGURE 2, the ladder 35 is shown as including two side members 36, 37. Reference numeral 38 denotes the upper rung of the ladder 35. As mentioned before, the box shaped member 10 is now in an inversed position to that of FIGURE 1. The eyelets 27/ 28 are now disposed at the lower end and, the elastic cord 24 extends .,:
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7.
down from the eyelet 28 of the rear wall 11, then is wrapped around the rung 38 and continues back to the eyelet 27 at Ihe front wall~ Ihe upper free-end portions of the side members 36, 37 are nested within the cavity formed by the front wall 12, the bottom wall 15 and the end walls 13, 14. The elastic cord 24 is efective in pulling the box against the top ends of the side members 36, 37 of the ladder thus effectively preventing its undesired removal upwardly and away from the ladderO
It will be appreciated that the arrangement allows a very convenient securement of the box on top of an extension ladder. The displacement of the ladder from one section of the wall to another is also convenient.
The actual angle between the surface of the bottom wall 15 (which serves as a bottom wall of a tray for holding tools or the like) does not have to be adjusted as in the above U.S. Patent 3,734,236 since the instant position of the horizontal bottom wall 15 is determined by the normally vertical wall engaged by the padding 29.
A further modification of practical application of the present invention is shown in FIGURE 3 in which the box is shown as being secured on top of a step ladder.
Again, it is clearly visible from ~his arrangement that the securement to the ladder is a very simple matter, the storaye of the box and of the suspension hooks and elastic cord posing virtually no practical problem as the suspension or securement element can be simply placed within the box and placed away in a storage remote like.
The basic idea of the present invention can be utilized by way of many embodiments often differing from - the preferred embodiment referred to above.
FIGURE 5 shows an exemplary embodiment different from the structure of the box shown in FIGURE 1. In this embodiment, the counterpart of the front wall of the embodiment of FIGURE 1 is formed by a front wall 40 provided with a padding 41. Reference numeral 42 designates a normally generally horizontal support wall "
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which protrudes from the inner surface of the front wall 40. A peripheral ledge 43 serves the purpose of enclosing the top of the support wall 42 so that it can be used as a tray for tools or the like.
Fixedly secured to the front wall 40 at the inner surface thereof and to the underside of the support wall 42 are two upright end wall means 44, 45. The term "end wall means" has been selected to indicate that from the standpoint of the function of securement of the attachment of FIGURE 5 to an associated ladder, the elements 44, 45 have the same function as the end walls 13, 14 of the embodiment of FIGURE 1. To further demonstrate possible modifications, the spacing between the end wall means 44 and 45 is such that the outer surfaces of the end wall means 44, 45 fit inwards between the end portions of side members 36, 37 of an associated ladder. lhe front wall 40 is provided with an eyelet 46 and a similar eyelet 47 is provided at the rear edge of the support wall 42.
As shown by FIGURE 5, the securement and the general function of the device in association with a ladder 35 is generally the same as in the preceding case.
~ he embodiment of FIGURE 5 is not preferred due to the shape of the overall structure and also due to the fact that it would be relatively difficult but not impossible to utilize in a suspended state as shown in FIGURE 4 or in connection with a step ladder of FIGURE 3.
Those skilled in the art will readily appreciate from the differences between the embodiment described above that further modifications differing more or substantially from the embodiments shown are still possible within the scope of the present invention, which is determined by the accompanying claims.
ATTACHMENT FOR LADDERS OR THE LIKE
-BACKGROUND OF T~E INVENTION
The present invention relates to attachments for ladders or the like having the purpose of providing cushion or the like means for to preventing an associated ladder from marring the wall such as an aluminum siding wall.
It is known to provide ladders at the upper ends of the side members with rags or the like cushioning to avoid damaging of the wall. The application of such cushioning to the free ends of the side members of the ladder is a relatively lengthy work and often gives rise to problems with storage of the cushion members when not in use. The ease of application and removal of the cushioning therefore is of importance.
In some applications, the use of the rag or the like cushioning at the ends of the side members of the associated ladder is insuficient since the cushions at ; the respective ends of the side members still present a relatively small area of contact which is not capable to sufficiently reduce the specific pressure at the wall surface. Thus, it is often desirable to increase the area of contact between the upper end of the ladder and the associated wall. To this end, proposals have been made which are best represent~d by U.S. Patent 3,734,236, issued May 22, 1~73 to Gerald Houtler. In this arrangement, there is a front rectangular wall provided with a cushioning. The position of the front wall is selectively adjustable so that it normally assumes an upright position. The front wall is fixedly secured to a normally generally horizontal platform which serves the purpose of holding the tools, paint or the like material needed while working on the ladder. The platform and the front wall are secured to the ladder by a linkage ,;
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mechanism which allows for adjustability o the relative angle between the plane defined by the ladder and the normally generally horizontal platform and vertical front wall. The mechanism proposed in the above patent works such that there are two side members under the platform.
The free ends of the side members remote from the front wall are each provided with a cut-out complementary with the upper rung of the ladder. Two struts are pivotally secured to the side members near the front wall and are arranged such that their length can be ad~usted so that the free end portions can then engage with their cut-outs one of the rungs disposed below the uppermost rung engaged by the first mentioned side membersO mis arrangement, while providing the protection of the wall surface by substantially increasing the area of contact and thus decreasing the specific pressure, is extremely complex not only from the standpoint of the manufacture but also as far as the attachment to the ladder is concerned. The storage of the device while not in use is also a problem due to a number of different braces and protrusions and a number of removable parts which can become lost thus rendering the device useless.
SUMMA~Y OF THE INVENTIO~
Accordingly, it is an object of the present invention to provide an attachment for ladders or the like of the type producing a preferably rectangular front wall provided with a cushion as is the case in U.S. Patent 3,734,236, which would be substantially simpler in production, which would provide easy storage and which would be easy to secure to or remove from an associated ladder.
In general terms and in a broader aspect of the presen$ invention, the invention provides an attachment for ladders or the like adapted to present cushion means or preventing an associated ladder fxom marring the surface against which the ladder is to rest, said . , ~L766~
3.
attachment comprising: a normally generally upright front wall means having an outer surface proYided with a resilient cushion means, said front wall means including a normally upper margin section and a normally lower margin section; a normally generally horizontal, flat, support wall means secured to the front wall means at an inner surface thereof, said support wall means coinciding with a normally generally horizontal plane spaced from and disposed between said upper margin section and said lower margin section; a pair of end wall means secured to at least one of said front wall means and said support wall means near a corner formed between the front wall means and the support wall means at an underside of the latter, said end wall means being spaced from each other a distance, said distance being slightly in excess of outer spacing between side members of an associated ladder or : slightly less than inner spacing between side members of an associated ladder, whereby the attachment can be placed over top ends of side members of an associated ladder, with the top ends of side members of the ladder engaging : said wall means~ and securemenmt means for securing said attachment to an associated ladder.
In a particularly preferred embodiment, an attachment is provided for ladders adpated to provide cushion means to prevent an associated ladder from marring the surface against which the ladder is to rest, said attachment comprising, in combination: a rectangular box-shaped member including two opposed, elongated, ~: generally planar walls forming a front wall and a rear wall, two opposed, generally planar end walls of generally identical size and shape, one at each end of the front and rear walls, and a generally planar bottom wall; said front, rear and end walls having top and bottom edge portions coincident with a top plane and a bottom plane, respectively, said top and bottom planes being generally parallel with each other, said bottom wall being generally parallel with said top and bottom planes and being "
~L~7661~L
4.
disposed between the top plane and the bottom plane at a spacing from each of the two, the inside spacing between the end walls being slightly in excess of the outside distance between side members of an associated ladder, whereby the box-shaped member can be placed over a normally upper end of an associated ladder, with normally upper ends of the side members of the ladder nested between the end walls and resting against the front wall and against normally downwardly facin~ surface of the bottom wall: resilient cushion means secured at the : exterior surface of said front wall, and securement means for securing said box-shaped structure to an associated ladder.
BRIEF DESCRIPTION OF THE DRAWI~GS
A preferred and an exemplary embodiment of the present invention will now be described with reference to the accompanying drawings wherein:
FIGURE 1 - is a simplified perspective view of a preferred embodiment of the present invention:
FIGURE 2 - is a view showing the attachment of FIGURE 1 secured to the upper end of an extension ladder;
25 FIGURE 3 - is a view showing the attachment of FIGURE 1 secured to a step ladder;
FIGURE 4 - is a partly cut-out view showing the attachment suspended f rom a ladder at a generally mid-height of the associated ladder; and FIGURE 5 - is a view similar to that of FIGURE 1 but showing a modification of the structure of the present invention.
DETAILED DESGRIPTIO~
Turning firstly to the representation of FIGURE
1, reference numeral 10 generally designates a box-shaped ., ~7~6~
5.
member which is composed of rear wall 11, a front wall 12, parallel with the rear wall, two end walls 13, 14 and a bottom wall 15. It will become apparent from subsequent description that the member 10 in Fig. 1 is an inverted position to a normal position which it assumes when becoming secured to an associated ladder. The following references to "edge portions" etc. should therefore be understood as referring to a position assumed, for instance, in FIGURE 2 or 3 as opposed to that of FIGURE 1 or FIGURE 4. The front wall 12 has a bottom edge portion 16. The bottom edge portions of the remaining walls 11, 13 and 14 are designated with reference numerals 17, 18 and 19, respectively. Similarly, the top edge portions of the walls 11, 12, 13 and 14 (see FIGURE 2) are designated with reference numerals 20, 21, 22 and 23, respectively.
It will be appreciated from FIGURE 1 that the bottom edge portions 16-19 coincide (in FIGURE 2 or 3) with a normally generally horizontal lower plane while the top edge portions 20, 21, 22 and 23 coincide with an upper, normally generally horizontal plane. The bottom wall 15 is spaced from both such planes and is disposed therebetween so that a part of each of the front and rear walls 12 and 11 and also of the side walls 13, 14, protrudes above and below the bottom wall 15.
The inside spacing between the walls 13 and 14 generally corresponds to the width of an associated ladder as measured at the outer side extremities of the side members. Accordingly, the size of the box shown in FIGURE
1 is such that the upper end portion of an associated ladder can be inserted within the space defined by the end walls 14 and 13 while resting against the front wall 12 and the underside of the bottom wall 15, as will be described later on.
FIGURE 1 further shows two examples of securement means for securing the box-shaped structure to an associated ladder. The pre~erred securement means is simply an elastic cord 24 having a hook 25 at one end and 6. ~76~
a hook 26 at the other end thereof. The hooks 25, 26 are complementary with the respective eyelets 27, 28 disposed each centrally of the respective front or rear wall 12, 11. The eyelets 27, 28 form one embodiment of what is generally referred to as "first hook-up means", the hooks 25, 26 being an embodiment o~ "second hook-up means" as referred to hereinafter. The exterior of the front wall is provided with a resilient padding 29.
The box-shaped structure 10 can also be used with three or more suspension elements. Reference numeral 30 designates a suspension hook which is shown in the position at which it would normally appear when the box is suspended from a ladder. Similarly, reference numeral 31 shows a suspension hook o~ identical configuration with that of the hook 30. A third suspension hook 32 is similar in configuration with the first-mentioned hooks 30, 31 but its length is sufficient to secure that with the hooks placed as shown, the upper part of the hook 32 can be engaged with a rung which is disposed above that rung which is engaged by the upper parts of hooks 30, 31, as will be shown hereinafter.
~ Referring still to the arrangements shown in ; FIGURE 1 but disregarding the elastic cord 24, reference may be had to FIGURE 4 which shows the box of the present invention in a suspended state. The box is now suspended on hooks 30, 31 and 32 from rungs 33, 34 disposed one ; above the other and located approximately at the centre of an associated ladder 35. In this position, the padding 29, of course, is not functional and the attachment serves strictly as a box for holding tools or the like required for the particular work to be done.
Turning now to FIGURE 2, the ladder 35 is shown as including two side members 36, 37. Reference numeral 38 denotes the upper rung of the ladder 35. As mentioned before, the box shaped member 10 is now in an inversed position to that of FIGURE 1. The eyelets 27/ 28 are now disposed at the lower end and, the elastic cord 24 extends .,:
~7661~
7.
down from the eyelet 28 of the rear wall 11, then is wrapped around the rung 38 and continues back to the eyelet 27 at Ihe front wall~ Ihe upper free-end portions of the side members 36, 37 are nested within the cavity formed by the front wall 12, the bottom wall 15 and the end walls 13, 14. The elastic cord 24 is efective in pulling the box against the top ends of the side members 36, 37 of the ladder thus effectively preventing its undesired removal upwardly and away from the ladderO
It will be appreciated that the arrangement allows a very convenient securement of the box on top of an extension ladder. The displacement of the ladder from one section of the wall to another is also convenient.
The actual angle between the surface of the bottom wall 15 (which serves as a bottom wall of a tray for holding tools or the like) does not have to be adjusted as in the above U.S. Patent 3,734,236 since the instant position of the horizontal bottom wall 15 is determined by the normally vertical wall engaged by the padding 29.
A further modification of practical application of the present invention is shown in FIGURE 3 in which the box is shown as being secured on top of a step ladder.
Again, it is clearly visible from ~his arrangement that the securement to the ladder is a very simple matter, the storaye of the box and of the suspension hooks and elastic cord posing virtually no practical problem as the suspension or securement element can be simply placed within the box and placed away in a storage remote like.
The basic idea of the present invention can be utilized by way of many embodiments often differing from - the preferred embodiment referred to above.
FIGURE 5 shows an exemplary embodiment different from the structure of the box shown in FIGURE 1. In this embodiment, the counterpart of the front wall of the embodiment of FIGURE 1 is formed by a front wall 40 provided with a padding 41. Reference numeral 42 designates a normally generally horizontal support wall "
~L1766~L
8.
which protrudes from the inner surface of the front wall 40. A peripheral ledge 43 serves the purpose of enclosing the top of the support wall 42 so that it can be used as a tray for tools or the like.
Fixedly secured to the front wall 40 at the inner surface thereof and to the underside of the support wall 42 are two upright end wall means 44, 45. The term "end wall means" has been selected to indicate that from the standpoint of the function of securement of the attachment of FIGURE 5 to an associated ladder, the elements 44, 45 have the same function as the end walls 13, 14 of the embodiment of FIGURE 1. To further demonstrate possible modifications, the spacing between the end wall means 44 and 45 is such that the outer surfaces of the end wall means 44, 45 fit inwards between the end portions of side members 36, 37 of an associated ladder. lhe front wall 40 is provided with an eyelet 46 and a similar eyelet 47 is provided at the rear edge of the support wall 42.
As shown by FIGURE 5, the securement and the general function of the device in association with a ladder 35 is generally the same as in the preceding case.
~ he embodiment of FIGURE 5 is not preferred due to the shape of the overall structure and also due to the fact that it would be relatively difficult but not impossible to utilize in a suspended state as shown in FIGURE 4 or in connection with a step ladder of FIGURE 3.
Those skilled in the art will readily appreciate from the differences between the embodiment described above that further modifications differing more or substantially from the embodiments shown are still possible within the scope of the present invention, which is determined by the accompanying claims.
Claims (9)
1. An attachment for ladders adapted to provide cushion means to prevent an associated ladder from marring the surface against which the ladder is to rest, said attachment comprising, in combination:
(a) a generally rectangular box-shaped member including two opposed, elongated walls forming a front wall and a rear wall, respectively, two opposed end walls of generally identical shape and size, one at each end of the front and rear walls, and a generally rectangular bottom wall;
(b) said front, rear and end walls having top and bottom edge portions coincident with a top plane and a bottom plane, respectively, said top and bottom planes being normally generally horizontal and parallel with each other;
(c) said bottom wall being generally parallel with said top and bottom planes and being disposed between the top plane and the bottom plane at a spacing from each of the two;
(d) the inside spacing between the end walls being slightly in excess of the outside distance between the side members of an associated ladder, whereby the box-shaped member can be placed over a normally upper end of an associated ladder, with normally upper ends of the side members of the ladder nested between the end walls and resting against the front wall and against normally downwardly facing surface of the bottom wall;
(e) resilient cushion means secured at an exterior surface of said front wall; and (f) securement means for securing said box-shaped structure to an associated ladder.
(a) a generally rectangular box-shaped member including two opposed, elongated walls forming a front wall and a rear wall, respectively, two opposed end walls of generally identical shape and size, one at each end of the front and rear walls, and a generally rectangular bottom wall;
(b) said front, rear and end walls having top and bottom edge portions coincident with a top plane and a bottom plane, respectively, said top and bottom planes being normally generally horizontal and parallel with each other;
(c) said bottom wall being generally parallel with said top and bottom planes and being disposed between the top plane and the bottom plane at a spacing from each of the two;
(d) the inside spacing between the end walls being slightly in excess of the outside distance between the side members of an associated ladder, whereby the box-shaped member can be placed over a normally upper end of an associated ladder, with normally upper ends of the side members of the ladder nested between the end walls and resting against the front wall and against normally downwardly facing surface of the bottom wall;
(e) resilient cushion means secured at an exterior surface of said front wall; and (f) securement means for securing said box-shaped structure to an associated ladder.
2. The attachment of claim 1, wherein the securement means includes first hook-up means at the front and 10.
rear walls, centered with respect to the end walls.
rear walls, centered with respect to the end walls.
3. The attachment of claim 1, wherein the securement means includes first hook-up means at the front and rear wall centered with respect to the end walls and disposed near the bottom edge portions of the front and rear walls.
4. The attachment of claim 2, wherein the securement means is adapted to urge the normally lower surface of the bottom wall towards the end of the side members of an associated ladder such as to hold the attachment against displacement of the box-shaped member in a direction normally upwardly and away from an associated ladder.
5. An attachment as claimed in claim 2, wherein the securement means includes an elastic cord provided with second hook-up means complementary with said first hook-up means.
6. Attachment as claimed in claim 5, wherein said cord is adapted to stretch from the rear wall down around an upper rung of an associated ladder and back up to the front wall.
7. Attachment as claimed in claim 2, further comprising third hook-up means near the bottom edge portions of the box-shaped member and suspension means complementary with the third hook-up means and adapted to engage at least two rungs of an associated ladder and to suspend the box-shaped member in an inverted position such that the bottom wall thereof is in a generally horizontal position.
8. An attachment for ladders or the like adapted to provide cushion means to prevent an associated ladder from marring the surface of a wall against which the ladder is to rest, said attachment comprising:
(a) a normally generally upright front wall means having an outer surface provided with a resilient cushion means;
11.
margin section and a normally lower margin section;
(c) a normally generally horizontal, flat, support wall means secured to the front wall means at an inner surface thereof;
(d) a pair of end wall means secured to at least one of said front wall means and said support wall means near a corner formed by the front wall means and the support wall means at an underside of the latter;
(e) said end wall means being spaced from each other a distance slightly in excess of outer spacing between side members of an associated ladder or being slightly less than inner spacing between side members of an associated ladder, whereby the attachment can be placed over top ends of side members of an associated ladder, with the top ends of side pieces of the ladder engaging said wall means; and (f) securement means for securing said attachment to an associated ladder.
(a) a normally generally upright front wall means having an outer surface provided with a resilient cushion means;
11.
margin section and a normally lower margin section;
(c) a normally generally horizontal, flat, support wall means secured to the front wall means at an inner surface thereof;
(d) a pair of end wall means secured to at least one of said front wall means and said support wall means near a corner formed by the front wall means and the support wall means at an underside of the latter;
(e) said end wall means being spaced from each other a distance slightly in excess of outer spacing between side members of an associated ladder or being slightly less than inner spacing between side members of an associated ladder, whereby the attachment can be placed over top ends of side members of an associated ladder, with the top ends of side pieces of the ladder engaging said wall means; and (f) securement means for securing said attachment to an associated ladder.
9. Attachment for ladders or the like as claimed in claim 8, wherein said securement means includes means for securing said attachment to an associated ladder by a resilient cord means extending from a point at a rear margin of the support wall means, to an upper rung of an associated ladder and back to said front wall means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000447596A CA1176611A (en) | 1984-02-16 | 1984-02-16 | Attachment for ladders or the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000447596A CA1176611A (en) | 1984-02-16 | 1984-02-16 | Attachment for ladders or the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1176611A true CA1176611A (en) | 1984-10-23 |
Family
ID=4127219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000447596A Expired CA1176611A (en) | 1984-02-16 | 1984-02-16 | Attachment for ladders or the like |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1176611A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899848A (en) * | 1989-04-28 | 1990-02-13 | Parr John W | Guard for upper end of ladder side rail |
| US4974699A (en) * | 1989-05-08 | 1990-12-04 | Boring Clair W | Ladder safety device |
| WO1996000341A1 (en) * | 1994-06-25 | 1996-01-04 | Michael John Clarke | Ladder securer |
| GB2577476A (en) * | 2018-08-31 | 2020-04-01 | James White Ian | A universal ladder attachment |
-
1984
- 1984-02-16 CA CA000447596A patent/CA1176611A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4899848A (en) * | 1989-04-28 | 1990-02-13 | Parr John W | Guard for upper end of ladder side rail |
| US4974699A (en) * | 1989-05-08 | 1990-12-04 | Boring Clair W | Ladder safety device |
| WO1996000341A1 (en) * | 1994-06-25 | 1996-01-04 | Michael John Clarke | Ladder securer |
| GB2577476A (en) * | 2018-08-31 | 2020-04-01 | James White Ian | A universal ladder attachment |
| GB2577476B (en) * | 2018-08-31 | 2022-07-27 | James White Ian | A universal ladder attachment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |