CA2630286A1 - Ladder anchoring device - Google Patents
Ladder anchoring device Download PDFInfo
- Publication number
- CA2630286A1 CA2630286A1 CA 2630286 CA2630286A CA2630286A1 CA 2630286 A1 CA2630286 A1 CA 2630286A1 CA 2630286 CA2630286 CA 2630286 CA 2630286 A CA2630286 A CA 2630286A CA 2630286 A1 CA2630286 A1 CA 2630286A1
- Authority
- CA
- Canada
- Prior art keywords
- ladder
- frame
- supporting surface
- supported
- inclination
- 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
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/188—Accessories for temporary stabilising a ladder, e.g. temporary attaching devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
A ladder supporting device comprises a frame, mounts to support the frame on an upright supporting surface, and a pair of lateral guide members arranged to receive the width of the ladder therebetween. In a preferred embodiment, the device includes an inclination guide arranged to visually indicate a recommended inclination of the ladder relative to the upright supporting surface. Also in the preferred embodiment, the frame comprises a plate member spanning a width of the ladder and the mounts each comprise a post projecting generally perpendicularly from the plate member such that the plate is arranged to be supported spaced outwardly from supporting surface.
Description
LADDER ANCHORING DEVICE
FIELD OF THE INVENTION
The present invention comprises a ladder anchoring device arranged for operatively anchoring a ladder against an upright supporting surface in which guide members provide some restriction against lateral movement of the ladder, and more particularly, according to a preferred embodiment, the present invention relates to a ladder supporting device including a ladder inclination guide.
BACKGROUND
Ladders are commonly used for access to roof of a building by operatively supporting a ladder against an upright surface, for example a wall of the building. Because of the height involved, the safety of the users of a ladder is a known concern. Various attempts have been made in the prior art to secure a ladder more safely to a building and the like. No prior art examples however both assist in securing a ladder to the building while ensuring the ladder is supported at a proper inclination.
For proper safety, a ladder should be supported at a prescribed recommended inclination relative to the ground and to the vertical supporting surface against which it is supported. Typically to be supported at the proper inclination, the base of the ladder should be one foot away from the supporting surface for each 4 feet of vertical rise such that the ladder is supported at an inclination of 75 degrees from horizontal.
Supporting the ladder at an inclination which is too close to vertical has a risk of the ladder falling backwardly away from the wall at the top end thereof.
Alternatively supporting the ladder at an inclination which is too near to horizontal has a risk of the bottom end of the ladder sliding outwardly away from the wall.
SUMMARY OF THE INVENTION
According to one aspect of the invention there is provided a ladder anchoring device for operatively anchoring a ladder against an upright supporting surface in which the ladder comprising a pair of legs extending in a longitudinal direction of the ladder and a plurality of rungs extending across a width of the ladder in a lateral direction between the legs at spaced positions in the longitudinal direction, the device comprising:
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame; and an inclination guide supported on the frame and arranged to visually indicate a recommended inclination of the ladder relative to the upright supporting surface.
By providing an inclination guide on a device which anchors a ladder to a building, the guide can remain permanently installed on the building to ensure continued safe access to the roof of a building regardless of the type of ladder used as the ladder can always be visually aligned at the proper recommended inclination relative to the ground and the wall.
The inclination guide may comprise a rigid member fixed on the frame, spaced outwardly therefrom and oriented to extend at the recommended inclination relative to the frame. Preferably the inclination guide is spaced outwardly from the frame by a distance which is greater than a thickness of the ladder so that the frame does not interfere with access to the rungs of the ladder.
There may be provided a pair of inclination guides supported on the pair of lateral guide members respectively.
According to another aspect of the present invention there is provided a ladder anchoring device for operatively anchoring a ladder against an upright supporting surface in which the ladder comprising a pair of legs extending in a longitudinal direction of the ladder and a plurality of rungs extending across a width of the ladder in a lateral direction between the legs at spaced positions in the longitudinal direction, the device comprising:
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
and a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame;
the frame comprising a plate member;
the mounts each comprising a post projecting generally perpendicularly from the plate member opposite the lateral guide members; and the posts being arranged for engaging the supporting surface such that the plate is arranged to be supported spaced outwardly from supporting surface.
The mounts are preferably arranged to be horizontally and vertically spaced apart on the frame member when supported on the upright supporting surface.
Each post may comprise a tubular member receiving an elongate fastener therethrough which is arranged to secure the frame at an exterior of the upright supporting surface or by way of through-wall securement incorporating steel backplates.
One embodiment of the invention will now be described in conjunction with the accompanying drawings in which:
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of the ladder supporting device.
Figure 2 is a side elevational view of the ladder supporting device shown anchoring a ladder against the wall of a building.
Figure 3 is a side elevational view of the ladder supporting device.
Figure 4 is a top plan view of the ladder supporting device.
Figure 5 is a front elevational view of the ladder supporting device.
Figure 6 is a rear elevational view of the ladder supporting device.
In the drawings like characters of reference indicate corresponding parts in the different figures.
DETAILED DESCRIPTION
Referring to the accompanying figures there is illustrated a ladder anchoring device generally indicated by reference numeral 10. The device 10 is particularly suited for operatively anchoring a ladder 12 relative to an upright supporting surface 14, for example the wall of a building 16.
The device 10 serves to provide anchoring to the ladder to prevent the top end of the ladder from being pulled away from the wall while also providing support to prevent or restrict lateral movement or sliding of the ladder in a side to side or lateral direction along the wall of the building. The device 10 further provides an indication of the recommended inclination of the ladder relative to the upright wall and the ground for optimal safety of users of the ladder.
The device is particularly suited for conventional portable ladders of the 5 type including two legs 18 which extend longitudinally the length of the ladder parallel and spaced apart from one another. A plurality of rungs 20 span in a lateral direction between the spaced apart legs 18, parallel and longitudinally spaced relative to one another. The rungs 20 define a width of the ladder in the lateral direction.
The device 10 comprises a frame 22 in the form of a rigid rectangular plate which is arranged to be supported in a vertical orientation in use. The plate is arranged to be longer in a lateral direction, extending generally horizontally between opposed ends 24 thereof, than a height of the plate between opposed top and bottom edges thereof. The frame 20 is arranged to span in the lateral direction between the opposed upright ends 24 a distance which corresponds at least to a width of the ladder between the legs 18 thereof so that the frame spans across a full width of the ladder in use.
The device further includes a pair of lateral guide members 26 supported at the opposed ends 24 of the frame respectively. The lateral guides are spaced apart from one another sufficiently to receive the width of the ladder between the guides so that the space between the lateral guide members 26 corresponds approximately to the width of the ladder or greater when the ladder. The lateral guide members project outwardly from a common side of the rigid plate forming the frame 22 so as to receive the ladder therebetween and provide lateral support to the ladder to prevent sliding movement of the ladder relative to the frame and the building upon which it is supported in a lateral direction along a length of the frame and along the wall of the building.
Each lateral guide member 26 comprises a continuous flat rigid bar which is bent in a generally U-shaped configuration to define an upper support member 28 and a lower support member 30 joined to top and bottom edges of the plate of the frame 22 respectively, and an inclined member 32 joined between the upper and lower support members at a location spaced outwardly from the frame 22.
Each of the two support members project generally perpendicularly outwardly from the plate, parallel and spaced apart from one another by a height of the frame 22. The lower support member 30 is longer than the upper support member so that the inclined member 32 when joined between the outer ends of the support members and 30 extends at a fixed inclination which is oriented to extend downwardly and outwardly from the frame 22 from the outer end of the upper support member to the outer end of the lower support member.
The inclined support member 32 is spaced from the plate forming the frame 22 at the top end thereof by a distance which is greater than a thickness of the ladder between opposed inner and outer faces thereof. Accordingly when the inclined support member 32 is aligned between the inner and outer faces of the ladder, the ladder will be spaced outwardly from the frame sufficiently that the frame does not interfere with access of the hands of feet of a user of the ladder to the rungs of the ladder when the ladder is positioned at the recommended inclination.
Each of the inclined members 32 thus defines an inclination guide 34 which functions to visually indicate the safest and most recommended angle of inclination of the ladder relative to the plate forming the frame 22 and the supporting surface upon which it is supported. By visually aligning the longitudinal direction of the ladder with the inclination of the inclined members 32 the ladder can be set at the recommended inclination relative to the upright supporting surface of the building.
The device further includes a plurality of mounts 36 which support the frame on the supporting surface at a location spaced outwardly from the upright supporting surface. Each mount 36 generally comprises a tubular post which projects perpendicularly outward from a rear face of the plate opposite the lateral guide members 26 extending outwardly from the opposed front face of the plate. Four mounts 36 are provided in a rectangular pattern so that the mounts are spaced apart from one another in pairs both vertically and horizontally spaced apart across the plate of the frame 22. Each post includes a through aperture therein in alignment with a corresponding mounting aperture 38 in the plate forming the frame 22 so as to be arranged to receive a suitable threaded fastener, for example a bolt therethrough. The fasteners serve to anchor the frame 22 to the upright supporting surface while being spaced therefrom by the length of the tubular post projecting between the frame 22 and the upright supporting surface in a mounted position. The fasteners 40 received through the posts can be received in suitable anchors within the wall of the building, or alternatively can serve to clamp a portion of the wall of the building between the frame 22 and a plurality of mounting plates 42 associated with the fasteners respectively at an inner surface of the wall of the building.
A suitable tether anchor 44 is located centrally on the frame between the lateral guide members 26 at opposing ends thereof. The anchor 44 comprises a rigid member fixed on the frame 22 to define an aperture between the anchor 44 and the frame 22 which is arranged to receive a tether 43 therethrough for tethering the anchor to the frame in a mounted position.
In use the device 10 is fastened or otherwise anchored to an upright supporting surface such as the wall of a building such that the plate forming the frame 22 is supported in a generally vertical orientation substantially parallel to the wall. The device is supported at a location spaced downwardly from a top edge of the supporting surface of the building against which it is mounted so that when the ladder is supported on the top outer edge of the building at the recommended inclination, the ladder will be spaced outwardly from the frame of the device. Also the inclination guides at the free ends of the two lateral guides are arranged to be located along a center of the thickness of the ladder as shown in elevation according to Figure 2.
Once mounted, the device 10 remains in place so that subsequent ladders can be readily aligned with the guides of the device to be located at the proper recommended inclination. When a newly placed ladder is positioned against the top edge of the building and is received between the lateral guides, moving the bottom end of the ladder towards and away from the wall of the building until the slope or inclination of the ladder becomes visually aligned with and matches the recommended inclination of the inclined member 32 of the guide 34 of the device serves to ensure that the ladder is supported at the recommended inclination.
Tethering an upper one of the rungs of the ladder to the anchor 44 serves to secure the ladder in place, in addition to, the lateral support provided by the lateral guide members 26. When the device is mounted at the appropriate height relative to the top outer edge of the upright supporting surface, the ladder will be spaced outwardly from the frame so that the frame does not interfere with access to the rungs by a user of the ladder.
Since various modifications can be made in my invention as herein above described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without department from such spirit and scope, it is intended that all matter contained in the accompanying specification shall be interpreted as illustrative only and not in a limiting sense.
FIELD OF THE INVENTION
The present invention comprises a ladder anchoring device arranged for operatively anchoring a ladder against an upright supporting surface in which guide members provide some restriction against lateral movement of the ladder, and more particularly, according to a preferred embodiment, the present invention relates to a ladder supporting device including a ladder inclination guide.
BACKGROUND
Ladders are commonly used for access to roof of a building by operatively supporting a ladder against an upright surface, for example a wall of the building. Because of the height involved, the safety of the users of a ladder is a known concern. Various attempts have been made in the prior art to secure a ladder more safely to a building and the like. No prior art examples however both assist in securing a ladder to the building while ensuring the ladder is supported at a proper inclination.
For proper safety, a ladder should be supported at a prescribed recommended inclination relative to the ground and to the vertical supporting surface against which it is supported. Typically to be supported at the proper inclination, the base of the ladder should be one foot away from the supporting surface for each 4 feet of vertical rise such that the ladder is supported at an inclination of 75 degrees from horizontal.
Supporting the ladder at an inclination which is too close to vertical has a risk of the ladder falling backwardly away from the wall at the top end thereof.
Alternatively supporting the ladder at an inclination which is too near to horizontal has a risk of the bottom end of the ladder sliding outwardly away from the wall.
SUMMARY OF THE INVENTION
According to one aspect of the invention there is provided a ladder anchoring device for operatively anchoring a ladder against an upright supporting surface in which the ladder comprising a pair of legs extending in a longitudinal direction of the ladder and a plurality of rungs extending across a width of the ladder in a lateral direction between the legs at spaced positions in the longitudinal direction, the device comprising:
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame; and an inclination guide supported on the frame and arranged to visually indicate a recommended inclination of the ladder relative to the upright supporting surface.
By providing an inclination guide on a device which anchors a ladder to a building, the guide can remain permanently installed on the building to ensure continued safe access to the roof of a building regardless of the type of ladder used as the ladder can always be visually aligned at the proper recommended inclination relative to the ground and the wall.
The inclination guide may comprise a rigid member fixed on the frame, spaced outwardly therefrom and oriented to extend at the recommended inclination relative to the frame. Preferably the inclination guide is spaced outwardly from the frame by a distance which is greater than a thickness of the ladder so that the frame does not interfere with access to the rungs of the ladder.
There may be provided a pair of inclination guides supported on the pair of lateral guide members respectively.
According to another aspect of the present invention there is provided a ladder anchoring device for operatively anchoring a ladder against an upright supporting surface in which the ladder comprising a pair of legs extending in a longitudinal direction of the ladder and a plurality of rungs extending across a width of the ladder in a lateral direction between the legs at spaced positions in the longitudinal direction, the device comprising:
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
and a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame;
the frame comprising a plate member;
the mounts each comprising a post projecting generally perpendicularly from the plate member opposite the lateral guide members; and the posts being arranged for engaging the supporting surface such that the plate is arranged to be supported spaced outwardly from supporting surface.
The mounts are preferably arranged to be horizontally and vertically spaced apart on the frame member when supported on the upright supporting surface.
Each post may comprise a tubular member receiving an elongate fastener therethrough which is arranged to secure the frame at an exterior of the upright supporting surface or by way of through-wall securement incorporating steel backplates.
One embodiment of the invention will now be described in conjunction with the accompanying drawings in which:
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of the ladder supporting device.
Figure 2 is a side elevational view of the ladder supporting device shown anchoring a ladder against the wall of a building.
Figure 3 is a side elevational view of the ladder supporting device.
Figure 4 is a top plan view of the ladder supporting device.
Figure 5 is a front elevational view of the ladder supporting device.
Figure 6 is a rear elevational view of the ladder supporting device.
In the drawings like characters of reference indicate corresponding parts in the different figures.
DETAILED DESCRIPTION
Referring to the accompanying figures there is illustrated a ladder anchoring device generally indicated by reference numeral 10. The device 10 is particularly suited for operatively anchoring a ladder 12 relative to an upright supporting surface 14, for example the wall of a building 16.
The device 10 serves to provide anchoring to the ladder to prevent the top end of the ladder from being pulled away from the wall while also providing support to prevent or restrict lateral movement or sliding of the ladder in a side to side or lateral direction along the wall of the building. The device 10 further provides an indication of the recommended inclination of the ladder relative to the upright wall and the ground for optimal safety of users of the ladder.
The device is particularly suited for conventional portable ladders of the 5 type including two legs 18 which extend longitudinally the length of the ladder parallel and spaced apart from one another. A plurality of rungs 20 span in a lateral direction between the spaced apart legs 18, parallel and longitudinally spaced relative to one another. The rungs 20 define a width of the ladder in the lateral direction.
The device 10 comprises a frame 22 in the form of a rigid rectangular plate which is arranged to be supported in a vertical orientation in use. The plate is arranged to be longer in a lateral direction, extending generally horizontally between opposed ends 24 thereof, than a height of the plate between opposed top and bottom edges thereof. The frame 20 is arranged to span in the lateral direction between the opposed upright ends 24 a distance which corresponds at least to a width of the ladder between the legs 18 thereof so that the frame spans across a full width of the ladder in use.
The device further includes a pair of lateral guide members 26 supported at the opposed ends 24 of the frame respectively. The lateral guides are spaced apart from one another sufficiently to receive the width of the ladder between the guides so that the space between the lateral guide members 26 corresponds approximately to the width of the ladder or greater when the ladder. The lateral guide members project outwardly from a common side of the rigid plate forming the frame 22 so as to receive the ladder therebetween and provide lateral support to the ladder to prevent sliding movement of the ladder relative to the frame and the building upon which it is supported in a lateral direction along a length of the frame and along the wall of the building.
Each lateral guide member 26 comprises a continuous flat rigid bar which is bent in a generally U-shaped configuration to define an upper support member 28 and a lower support member 30 joined to top and bottom edges of the plate of the frame 22 respectively, and an inclined member 32 joined between the upper and lower support members at a location spaced outwardly from the frame 22.
Each of the two support members project generally perpendicularly outwardly from the plate, parallel and spaced apart from one another by a height of the frame 22. The lower support member 30 is longer than the upper support member so that the inclined member 32 when joined between the outer ends of the support members and 30 extends at a fixed inclination which is oriented to extend downwardly and outwardly from the frame 22 from the outer end of the upper support member to the outer end of the lower support member.
The inclined support member 32 is spaced from the plate forming the frame 22 at the top end thereof by a distance which is greater than a thickness of the ladder between opposed inner and outer faces thereof. Accordingly when the inclined support member 32 is aligned between the inner and outer faces of the ladder, the ladder will be spaced outwardly from the frame sufficiently that the frame does not interfere with access of the hands of feet of a user of the ladder to the rungs of the ladder when the ladder is positioned at the recommended inclination.
Each of the inclined members 32 thus defines an inclination guide 34 which functions to visually indicate the safest and most recommended angle of inclination of the ladder relative to the plate forming the frame 22 and the supporting surface upon which it is supported. By visually aligning the longitudinal direction of the ladder with the inclination of the inclined members 32 the ladder can be set at the recommended inclination relative to the upright supporting surface of the building.
The device further includes a plurality of mounts 36 which support the frame on the supporting surface at a location spaced outwardly from the upright supporting surface. Each mount 36 generally comprises a tubular post which projects perpendicularly outward from a rear face of the plate opposite the lateral guide members 26 extending outwardly from the opposed front face of the plate. Four mounts 36 are provided in a rectangular pattern so that the mounts are spaced apart from one another in pairs both vertically and horizontally spaced apart across the plate of the frame 22. Each post includes a through aperture therein in alignment with a corresponding mounting aperture 38 in the plate forming the frame 22 so as to be arranged to receive a suitable threaded fastener, for example a bolt therethrough. The fasteners serve to anchor the frame 22 to the upright supporting surface while being spaced therefrom by the length of the tubular post projecting between the frame 22 and the upright supporting surface in a mounted position. The fasteners 40 received through the posts can be received in suitable anchors within the wall of the building, or alternatively can serve to clamp a portion of the wall of the building between the frame 22 and a plurality of mounting plates 42 associated with the fasteners respectively at an inner surface of the wall of the building.
A suitable tether anchor 44 is located centrally on the frame between the lateral guide members 26 at opposing ends thereof. The anchor 44 comprises a rigid member fixed on the frame 22 to define an aperture between the anchor 44 and the frame 22 which is arranged to receive a tether 43 therethrough for tethering the anchor to the frame in a mounted position.
In use the device 10 is fastened or otherwise anchored to an upright supporting surface such as the wall of a building such that the plate forming the frame 22 is supported in a generally vertical orientation substantially parallel to the wall. The device is supported at a location spaced downwardly from a top edge of the supporting surface of the building against which it is mounted so that when the ladder is supported on the top outer edge of the building at the recommended inclination, the ladder will be spaced outwardly from the frame of the device. Also the inclination guides at the free ends of the two lateral guides are arranged to be located along a center of the thickness of the ladder as shown in elevation according to Figure 2.
Once mounted, the device 10 remains in place so that subsequent ladders can be readily aligned with the guides of the device to be located at the proper recommended inclination. When a newly placed ladder is positioned against the top edge of the building and is received between the lateral guides, moving the bottom end of the ladder towards and away from the wall of the building until the slope or inclination of the ladder becomes visually aligned with and matches the recommended inclination of the inclined member 32 of the guide 34 of the device serves to ensure that the ladder is supported at the recommended inclination.
Tethering an upper one of the rungs of the ladder to the anchor 44 serves to secure the ladder in place, in addition to, the lateral support provided by the lateral guide members 26. When the device is mounted at the appropriate height relative to the top outer edge of the upright supporting surface, the ladder will be spaced outwardly from the frame so that the frame does not interfere with access to the rungs by a user of the ladder.
Since various modifications can be made in my invention as herein above described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without department from such spirit and scope, it is intended that all matter contained in the accompanying specification shall be interpreted as illustrative only and not in a limiting sense.
Claims (17)
1. A ladder anchoring device for operatively anchoring a ladder against an upright supporting surface in which the ladder comprising a pair of legs extending in a longitudinal direction of the ladder and a plurality of rungs extending across a width of the ladder in a lateral direction between the legs at spaced positions in the longitudinal direction, the device comprising:
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame; and an inclination guide supported on the frame and arranged to visually indicate a recommended inclination of the ladder relative to the upright supporting surface.
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame; and an inclination guide supported on the frame and arranged to visually indicate a recommended inclination of the ladder relative to the upright supporting surface.
2. The device according to Claim 1 wherein the inclination guide comprises a rigid member fixed on the frame and being oriented to extend at the recommended inclination relative to the frame.
3. The device according to either one of Claims 1 or 2 wherein the inclination guide is supported on the pair of lateral guide members.
4. The device according to either one of Claims 1 or 2 wherein there is provided a pair of inclination guides supported at opposing ends of the frame.
5. The device according to Claim 4 wherein the pair of inclination guides are supported on the pair of lateral guide members respectively.
6. The device according to any one of Claims 1 through 5 wherein the inclination guide comprises a rigid member extending at the recommended inclination relative to the frame and being supported spaced outwardly from the frame.
7. The device according to Claim 6 wherein the inclination guide is spaced outwardly from the frame by a distance which is greater than a thickness of the ladder.
8. The device according to any one of Claims 1 through 7 wherein the frame comprises a plate member, the mounts each comprise a post projecting generally perpendicularly from the plate member opposite the lateral guide members, and the posts are arranged for engaging the supporting surface such that the plate is arranged to be supported spaced outwardly from supporting surface.
9. The device according to Claim 8 wherein the mounts are arranged to be horizontally spaced apart on the frame member when supported on the upright supporting surface.
10. The device according to Claim 8 wherein the mounts are arranged to be vertically spaced apart on the frame member when supported on the upright supporting surface.
11. The device according to Claim 8 wherein the mounts are arranged to be horizontally and vertically spaced apart on the frame member when supported on the upright supporting surface.
12. The device according to Claim 8 wherein each post comprises a tubular member receiving an elongate fastener therethrough arranged to secure the frame to the upright supporting surface.
13. A ladder anchoring device for operatively anchoring a ladder against an upright supporting surface in which the ladder comprising a pair of legs extending in a longitudinal direction of the ladder and a plurality of rungs extending across a width of the ladder in a lateral direction between the legs at spaced positions in the longitudinal direction, the device comprising:
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
and a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame;
the frame comprising a plate member;
the mounts each comprising a post projecting generally perpendicularly from the plate member opposite the lateral guide members; and the posts being arranged for engaging the supporting surface such that the plate is arranged to be supported spaced outwardly from supporting surface.
a frame arranged to span across at least a width of the ladder in the lateral direction;
a pair of lateral guide members mounted on the frame spaced apart from one another so as be arranged to receive the width of the ladder between the lateral guide members and provide support to the ladder against lateral movement;
and a plurality of mounts arranged to support the frame on the upright supporting surface such that the ladder is arranged to be received between lateral guide members at a location spaced outwardly from the frame;
the frame comprising a plate member;
the mounts each comprising a post projecting generally perpendicularly from the plate member opposite the lateral guide members; and the posts being arranged for engaging the supporting surface such that the plate is arranged to be supported spaced outwardly from supporting surface.
14. The device according to Claim 13 wherein the mounts are arranged to be horizontally spaced apart on the frame member when supported on the upright supporting surface.
15. The device according to Claim 13 wherein the mounts are arranged to be vertically spaced apart on the frame member when supported on the upright supporting surface.
16. The device according to Claim 13 wherein the mounts are arranged to be horizontally and vertically spaced apart on the frame member when supported on the upright supporting surface.
17. The device according to Claim 13 wherein each post comprises a tubular member receiving an elongate fastener therethrough arranged to secure the frame to the upright supporting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2630286 CA2630286A1 (en) | 2008-04-29 | 2008-04-29 | Ladder anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2630286 CA2630286A1 (en) | 2008-04-29 | 2008-04-29 | Ladder anchoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2630286A1 true CA2630286A1 (en) | 2009-10-29 |
Family
ID=41255948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2630286 Abandoned CA2630286A1 (en) | 2008-04-29 | 2008-04-29 | Ladder anchoring device |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2630286A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642598A (en) * | 2012-04-12 | 2012-08-22 | 中船澄西船舶修造有限公司 | Movable inclined ladder fixing device |
-
2008
- 2008-04-29 CA CA 2630286 patent/CA2630286A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642598A (en) * | 2012-04-12 | 2012-08-22 | 中船澄西船舶修造有限公司 | Movable inclined ladder fixing device |
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