CN101772613B - A ladder accessory - Google Patents
A ladder accessory Download PDFInfo
- Publication number
- CN101772613B CN101772613B CN200880101819.XA CN200880101819A CN101772613B CN 101772613 B CN101772613 B CN 101772613B CN 200880101819 A CN200880101819 A CN 200880101819A CN 101772613 B CN101772613 B CN 101772613B
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- Prior art keywords
- ladder
- fixed bar
- ladder accessory
- accessory
- angle
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- 238000005452 bending Methods 0.000 claims description 18
- 210000005239 tubule Anatomy 0.000 claims 2
- 230000003993 interaction Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
-
- 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
- E06C7/482—Supports specially adapted for resting the ladder against or in a corner
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
A ladder accessory (100) comprises a bent component (110, 120, 130) connected to a fastening beam (170) extending in an angle close to perpendicular to a plane of the bent component. An outer diameter of the fastening beam is such that it fits within a ladder bar (310, 320) of a ladder (300).
Description
Technical field
The present invention relates to a kind of ladder accessory, this ladder accessory comprises the bending parts that are connected in fixed bar, and fixed bar extends with the angle approximately perpendicular to the plane of bending parts.
Background technology
Ladder is a kind of common apparatus, and it is used for making the user for example can arrive more high position at wall, phone post etc.Most of ladders comprise by two columns of stair treads interconnection or cleat stanchion.In use, the user climbs ladder by stepping at stair treads.
When using ladder, modal setting is the dependence surface, top with terraced bar, for example inside lock of the outer corner of wall, wall, wall or phone post etc.Owing to the difformity of for example smooth wall and phone post, common ladder can not firmly rest on these two kinds of surfaces.
In the prior art, having carried out some trials reduces and ladder is leaned on have the problem on difform surface, the therefore flexibility that has improved ladder.US 6 691 825 has described a kind of ladder accessory, and it has two arms that extend from the middle body of stair treads, thereby is that the ladder that relies on corner outside the wall provides support.The arm of US 6 691 825 can two kinds of different modes be installed, and to obtain two kinds of different positions, that is, is used for realizing stable support for corner and pillar.Yet US 6 691 825 does not have to describe the solution for increasing this problem of working region that is used for the ladder use really.
US 4 502 566 has described and has been suitable for the ladder accessory that the people who stands on the ladder that relies on wall increases the working region.This ladder accessory is used for (perhaps possibility is two a) position only, thereby has very limited purposes.
US 6 408 083 discloses the ladder accessory for the cleat stanchion top that attaches to ladder.This ladder accessory helps the user who stands on the ladder that bears against wall.The ladder accessory of US 6 408 083 is used for a position only.
US 5 850 894 relates to a kind of ladder external member, and this ladder external member comprises can be around two support members (20) of articulated elements (30) rotation.The turnability of articulated elements realizes the adjustment to the angle between the axis of terraced frame (ladderstile) and support member.Can not adjust the width between the support member.
WO 2004/042182 discloses a kind of ladder securing device, it comprises fastener (1) and pillar (8), fastening devices (1) is by being engaged in ladder lateral rail (2) along arbitrary position clamping in a plurality of positions of ladder lateral rail (2), and pillar (8) is used for against the structure location and can lockably engages with fastener (1) in a plurality of positions with respect to fastener.Device according to the document is adapted to be mounted to the ladder that comprises the terraced frame with square cross section.For the terraced frame with varying cross-section, it is enough firm fixing that the fastening devices of advising (1) can not provide.
WO 94/29561 (applicant identical with US 5 850 894) relate to in the similar products like of describing described in the US 5 850894.
US 2005/0023084 relates to the ladder that comprises the elongate rod that extends through terraced frame axis to be supported.Slender arm has Telescopic, and the end of arm is provided with the feet (46) that for example can rely on wall.The Telescopic of slender arm is realized the adjustment to distance between the feet.Yet, can not adjust the distance of ladder and between the walls.
US 6 405 828 has described a kind of ladder accessory, and it is similar to the ladder accessory described in the US 5 850 894, but realizes that the articulated elements that rotates is positioned at the position of very close feet.
The purpose of this invention is to provide a kind of ladder accessory of the many features in conjunction with above-mentioned ladder, this ladder accessory can be used for many different positions and is easy to improving at existing ladder.
Summary of the invention
The present invention solves above and other problem by a kind of ladder accessory is provided, this ladder accessory is used for comprising the ladder of the terraced frame with circular cross section, this ladder accessory comprises the bending parts that are connected in fixed bar, and fixed bar extends with the angle approximately perpendicular to the plane of bending parts.The external diameter of fixed bar is set to make fixed bar to be assemblied in the cleat stanchion of ladder.
In order to make ladder further bear against wall, and increase distance between strong point in some position, the bar that the bending parts are connected with fixed bar can be provided.
For fixed bar is anchored on cleat stanchion, fixed bar can be provided with the locking device that makes fixed bar can be fixed in cleat stanchion.
In order to realize that for the some different purposes according to ladder accessory of the present invention locking device can allow to make fixed bar to rotate to be fixed in different positions.
In an embodiment of the invention, locking device can comprise the hole that is arranged in the fixed bar.The hole can be suitable for locking fixed bar by interacting with pin.Pin can attach to sliding part (sledge), and sliding part is slidably mounted on the top riding club of ladder.
Fastening devices also can comprise bolt, and the center of bolt-through fixed bar also engages with bevelled extremity piece is set, and described inclined-plane cooperates with the inclined surface of fixed bar, makes fixed bar fix by frictional force when bolt is tightened.
Lean in order to provide ladder to prop up lip-deep at utmost the propping up of leaning at ladder, the angle between fixed bar and the bar can be the 95-115 degree.
Description of drawings
Below, describe the present invention with reference to the accompanying drawings, in the accompanying drawings:
Fig. 1 a is the stereogram that illustrates according to first embodiment of left hand ladder accessory of the present invention;
Fig. 1 b is the end-view of first embodiment of the left hand ladder accessory of Fig. 1 b;
Fig. 1 c is the lateral view of first embodiment of the ladder accessory of Fig. 1 a and Fig. 1 b;
Fig. 1 d be illustrate be fixed in the ladder top, according to the right hand of first embodiment and the end-view of left hand ladder accessory;
Fig. 1 e is the stereogram of second embodiment of the ladder accessory of Fig. 1;
Fig. 1 f is the lateral view of second embodiment of ladder accessory;
Fig. 1 g is the front elevation drawing of second embodiment of ladder accessory;
Fig. 1 h is the vertical view of second embodiment of ladder accessory;
Fig. 2 is the stereogram that first purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown;
Fig. 3 is the stereogram that second purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown;
Fig. 4 is the stereogram that the 3rd purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown;
Fig. 5 illustrates the right hand of first embodiment of the invention and the four-function stereogram on the way of left hand ladder accessory;
Fig. 6 is the stereogram that the 5th purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown;
Fig. 7 is the stereogram that the 6th purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown;
Fig. 8 is the stereogram that the 7th purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown;
Fig. 9 is the stereogram that the 8th purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown; And
Figure 10 is the stereogram that the 9th purposes of the right hand of first embodiment of the invention and left hand ladder accessory is shown.
The specific embodiment
With reference to Fig. 1 a, 1b and 1c, comprise bending part 110 according to the left hand ladder accessory 100L of first embodiment of the invention, bending part 110 has first handle 120 and second handle 130 by bend 140 interconnection.The end of bending part 110 can comprise end cap 150,150 '.In handle 120,130 on any and in the plane of bending part 110, the first end 160 of bar 160 ' be fixed, make bar 160 in its fixing vertical extension of handle.The second end 160 of bar 160 " be connected in the first end 170 of fixed bar 170 '.Shown in Fig. 1 c, fixed bar 170 extends along the direction that the vertical direction of comparing with the plane of bending part 110 departs from slightly, that is, angle beta (shown in Fig. 1 c) for example is 90 °-120 ° slightly greater than 90 °.The angle of slope (ladder is expressed as 300 in Fig. 2-11) that roughly rely on wall corresponding to ladder of departing from vertical direction.The angle [alpha] of angle between indication fixed bar 170 and the handle 130 has been shown in Fig. 1 b.Angle [alpha] for example is 95 °-115 ° preferably less times greater than 90 °.And ladder accessory 100L comprises certain fastening devices; In the embodiment shown in Fig. 1 a, 1b and the 1c, fastening devices is hole 180, and hole 180 is suitable for followingly holding pin with reference to the described mode of Fig. 1 d.
In Fig. 1 d, one group of ladder accessory is shown as and is installed on the ladder 300, and this group ladder accessory comprises according to the right hand ladder accessory 100R of first embodiment with according to the left hand ladder accessory 100L of first embodiment.Difference between right hand ladder accessory 100R and the left hand ladder accessory 100L is, first end 160 ' be fixed in the handle 120 that is positioned on the right hand ladder accessory and and being fixed on the handle 130 that is positioned on the left hand ladder accessory.Partly insert in cleat stanchions 310,320 the top by the fixed bar 170 with corresponding ladder accessory 100R and 100L, and partly because hole 180 and be installed on respectively sliding part 510,510 ' on pin 500,500 ' between interaction, ladder accessory is fixed in the cleat stanchion 310,320 of ladder 300.Sliding part is slidably mounted on the top riding club (rung) 330 that makes two cleat stanchions 310,320 interconnection.The slidably property permission pin 500,500 of sliding part ' and hole 180 between interaction be controlled; By sliding part is moved away from fixed bar, that is, move towards each other, pin 500,500 ' 108 regain from the hole, thus the interconnection between middle shotpin and the hole; In this position, the fixed bar 170 of ladder accessory 100R and 100L not can by with pin 500,500 ' interaction and locked, therefore and can withdraw from or rotation cleat stanchion 310,320 in from cleat stanchion 310,320.
The second embodiment 100L ' of left hand ladder accessory has been shown in Fig. 1 e-1h.This second embodiment is similar to first embodiment, but handle 130 is provided with cross bar 135, and the axis normal of cross bar 135 is extended in the axis of handle 130.The end of cross bar 135 is provided with end cap 150.In addition, identical with the design according to the ladder accessory 100L of first embodiment according to the design of the left hand ladder accessory 100L ' of second embodiment, except the angle [alpha] of first embodiment less than the angle [alpha] of second embodiment '.In addition, the hole 180 of second embodiment is arranged on three levels.
In addition, Fig. 1 g shows an angle.This angle refers to the angle between fixed bar 170 and the handle 120.Certainly for first embodiment, angle χ ' also exists, and they can be near 90 degree.
In each fixed bar 170, be provided with some holes 180; Thereby, can adjusting lever 160 and riding club 330 between angle.Realized making the position of ladder accessory to be applicable to various uses like this; Below with reference to Fig. 2-11 these purposes are described.
Obviously, the some modifications that can carry out the design of ladder accessory of the present invention of existence; Wherein a kind of modification means and only uses a kind of ladder accessory; On this ladder accessory, the first end 160 of bar 160 ' can be fixed in bend 140; Bar 160 still extends in the plane of bend.
As mentioned above, fixed bar 170 is provided with permission and fixed bar 170 is fixed in certain locking device in the cleat stanchion 310 or 320 of ladder 300.For example, this device can be the hole 180 that is arranged on the circumference of fixed bar 170.In another embodiment of the present invention, can fixed bar be fixed in top riding club 310 or 320 by the bolt (not shown) that runs through fixed bar 170 centers.Bolt can be threadably engaged in bevelled extremity piece (not shown) is set.In this embodiment of the present invention, the second end 170 of fixed bar " is provided with corresponding inclined-plane.Can make that this inclined-plane is the cutting tip of fixed bar 170 by fixed bar 170 is cut to arrange this face.In other embodiments, can this inclined-plane be set by plate being welded in cutting tip.Fastening devices according to this embodiment is similar to for the mechanism of the manipulation handlebar of bicycle being fixed in front fork.In order to be locked in cleat stanchion 310 or 320 according to the fixed bar of this embodiment of the present invention, part is threadedly connected to extremity piece 200 on the screw rod and the end 170 of fixed bar 170 " is inserted in the cleat stanchion 310 or 320.After inserting, bolt is rotated, make the screw thread of bolt and extremity piece interact so that extremity piece and inclined-plane are spurred toward each other.The inclined-plane of extremity piece and inclined-plane interact, and make extremity piece press the inner surface (not shown) of cleat stanchion, and this pressing provides locking action.
Hereinafter, be described as a right right hand ladder accessory 100R and ten kinds of purposes of a left hand ladder accessory 100L with reference to Fig. 2-11.
In Fig. 2, show first purposes of paired left hand and right hand ladder accessory 100L and 100R respectively.Left hand ladder accessory 100L is fixed in the cleat stanchion 320 of left hand, right hand ladder accessory 100R is fixed in the cleat stanchion 310 of the right hand.End cap 150, the 150 ' vertical wall of dependence.In first purposes, the angle between riding club 330 and the bar 160 is about 90 degree (observing from the top); Therefore, ladder will be supported for and leave the wall certain distance, and its length that equals handle 120 or 130 at least adds the length of upper boom 160.In addition, end cap 150,150 ' will be to lean on wall greater than the distance each other of distance between cleat stanchion 310 and 320.The people who stands on the ladder that is combined as of big distance, ladder bars and the wall between the strong point provides interference-free big working region.First purposes may be valuable to carry out paintwork at wall for example.Can also end cap 150,150 on the wall ' be used for for example the hanging jar that for example holds paint will do not leaned against.
Fig. 3 shows second purposes of paired ladder accessory 100R and 100L.For second purposes and first purposes, the installation of ladder accessory is identical, but according to second purposes, and ladder accessory is used to and for example relies on that the ladder of the outer corner of wall provides firm support.Since the size of ladder accessory, all end caps 150,150 ' engage with the wall that forms corner; Although this feature is to realizing that firm support is not complete necessity, the strong point is more many, and ladder will be got over the corner that firmly relies on wall.
Fig. 4 shows paired the 3rd purposes according to left hand of the present invention and right hand ladder accessory.In this purposes, bar 160 be installed to be with the riding club 330 of ladder in line.This purposes is suitable for smooth wall, and provides wide working region for the user; Compare with first purposes, the people who works at ladder is more close wall, and between the strong point, end cap and between the walls still have big distance.The handle 120,130 of its corresponding end cap 150,150 ' do not contact with wall both can be used for supporting the user, can be used for hanging Work tool again.
Fig. 5 shows the four-function way of paired ladder accessory of the present invention.In four-function way, the angle of ladder accessory is set to about in first purposes and the 3rd purposes between the employed angle; By this setting, can make end cap 150,150 ' between have big as far as possible distance, and be preferably half that distance between smooth wall and the ladder top is roughly distance by the realization of first purposes for this purposes.
Figure 6 illustrates the 5th right purposes of ladder accessory of the present invention.In this purposes, bar 160 is set to an angle away from wall; Therefore, ladder rests on the wall to lean on the as broad as long mode of on the wall mode with the ladder that does not have ladder accessory.The ladder accessory edge is away from the direction extension of wall and for supporting the user.
Figure 7 illustrates the 6th right setting or the purposes of ladder accessory that for example is suitable for the phone post.According to this purposes, the angle of ladder accessory is provided to realize little angle, for example 45 degree between bar 160 and riding club 330.Thus, the handle 120,130 of right hand ladder accessory 100R and left hand ladder accessory 100L will limit roughly the zone corresponding to for example phone post etc.The 6th purposes is combined very useful with extension ladder; If the use extension ladder when ladder does not stretch, can be set to around the phone post by ladder accessory so, by the Telescopic that uses ladder ladder is raise then.
Purposes one to six all has identical basic setup, that is, the left hand ladder accessory is fixed in the left hand cleat stanchion, and right hand ladder accessory is fixed in the left hand cleat stanchion.Below, describe being designated three kinds of purposes of seven to nine, wherein, right hand ladder accessory is fixed in the left hand cleat stanchion, and the left hand cleat stanchion is fixed in right hand cleat stanchion.Should be noted that the position that needn't in fact exchange ladder accessory; Only need ladder Rotate 180 degree, the right hand cleat stanchion before making is finally towards a left side and become new left hand cleat stanchion, and vice versa.
Figure 8 illustrates the 7th purposes according to ladder accessory of the present invention.Angle between bar 160 and the stair treads is roughly corresponding to being used for the 6th angle of setting, namely 45 spend, but, as mentioned above, for the 7th purposes, ladder accessory is used as and makes right hand ladder accessory 100R be installed on the left hand cleat stanchion 320, and left hand ladder accessory 100L is installed on the right hand cleat stanchion 310.The result is that ladder accessory will form part around the support member of phone post etc.The 7th purposes does not provide the same good supporting with the 6th purposes, but it is more convenient, removes and need not to change the setting of ladder accessory because ladder accessory can be returned from pillar.In addition, if right hand ladder accessory 100R is installed on the identical height with left hand ladder accessory 100L, can not use the 6th purposes so; If so, ladder accessory will collide.
Figure 9 illustrates the 8th purposes of paired ladder accessory.The 8th purposes is similar to the 7th purposes, and still, any in the ladder accessory is set to an angle away from post, so that the device that for example is used for hanging tool or canister etc. to be provided.
Figure 10 illustrates the 9th purposes of paired ladder accessory.The 9th purposes has realized making the ladder that is provided with ladder accessory to rely on the inside lock of wall.For the 9th purposes, ladder accessory is installed to be and makes bar 160 compare vertical extension with the riding club of ladder.
Preferred but non-essentially be for the function of ladder accessory of the present invention, if the hole 180 of fixed bar 170 is provided so that pin 500,500 ' can run through the integral width of fixed bar 160, that is, make pin 500,500 ' aligning to penetrate two holes 180 of the opposition side that is positioned at fixed bar 170.
Too many hole is appreciated that the hole 180 that can not have unlimited amount, because may make fixed bar 170 reductions.In an embodiment of the invention, hole 180 is set to 45 degree at interval, that is, and any miter angle fixed ladder accessory that can compare with riding club 330.For fixed bar is too weakened, hole 180 can be arranged on the different levels; In preferred embodiment, in first level 4 main apertures of mutual separation 90 degree are set, also separate 90 degree mutually the setting of second level but compare 4 secondary holes of separating 45 degree with main aperture.
Certainly, can also be by 6 holes 180 being set in first level and 6 holes being set to realize the separation of 30 degree in second level, wherein, 60 degree are separated in the hole that is positioned on first level, 60 degree are separated in the hole of second level, and separate separated 30 degree between the hole of the hole of first level and second level.
In another embodiment of the present invention, the hole 180 of two or more groups can be set in different levels; By some groups hole 180 is provided, can fixedly have the ladder accessory of differing heights, thereby for example be convenient to aforesaid the 7th purposes.
More than describe some preferred embodiments of the present invention with reference to the accompanying drawings; Yet no matter manual still is accompanying drawing is not all limited the scope of the present invention that limits as appending claims.
Claims (9)
1. ladder accessory (100R, 100L, 100L ', 100R '), be used for comprising the cleat stanchion (310 with circular cross section, 320) ladder (300), described ladder accessory comprise the bending parts (110) that are connected in fixed bar (170), and described fixed bar (170) is to compare into 90 °-120 ° angle (β with the plane of described bending parts; β ') extends, it is characterized in that, the external diameter of fixed bar (170) is set to make described fixed bar (170) to be assemblied in the described cleat stanchion (310 of described ladder (300), 320) in any, described bending parts (110) in use rest on the supporting surface, wherein, described fixed bar (170) is provided with locking device, described locking device makes described fixed bar (170) can be fixed in described cleat stanchion (310,320) inside, described locking device allow described fixed bar to be fixed in described cleat stanchion at diverse location.
2. ladder accessory as claimed in claim 1 also comprises the connecting rod (160) that connects described bending parts (110) and described fixed bar (170).
3. ladder accessory as claimed in claim 1, wherein, described locking device comprises the hole (180) that is arranged in the described fixed bar, described hole (180) be suitable for by with pin (510,510 ') the locking described fixed bar (170) that interacts.
4. ladder accessory as claimed in claim 2, also comprise tubule portion (135), described bending parts (110) comprise bend (140) and two handles (120 that interconnected by described bend (140), 130), described tubule portion (135) is vertically connected at an end described handle (120,130), that be not connected with described connecting rod (160) in fact.
5. ladder accessory as claimed in claim 1, wherein, described bending parts (110) comprise bend (140) and two handles (120,130) that interconnected by described bend (140), described bend (140) by bending so that the angle (α between the described handle (120,130); α ') is the 90-120 degree.
6. ladder accessory as claimed in claim 5, wherein, described bend (140) by bending so that the angle (α between the described handle (120,130); α ') is 110 degree.
7. ladder accessory as claimed in claim 3, wherein, described pin (510,510 ') attaches to sliding part (500,500 '), and described sliding part (500,500 ') can be installed on the top riding club (330) slidably.
8. as claim 1,4 or 5 described ladder accessories, also comprise bolt, the center of the described fixed bar of described bolt-through (170) and with bevelled extremity piece be set engage, described inclined-plane cooperates with the inclined surface of described fixed bar, makes described fixed bar (170) fastening by frictional force when described bolt is tightened.
9. ladder accessory as claimed in claim 2, wherein, the angle (β between described fixed bar (170) and the described connecting rod (160); β ') is the 95-115 degree.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0701833-6 | 2007-08-07 | ||
| SE0701833 | 2007-08-07 | ||
| SE0702193-4 | 2007-09-28 | ||
| SE0702193 | 2007-09-28 | ||
| PCT/EP2008/059878 WO2009019162A1 (en) | 2007-08-07 | 2008-07-28 | A ladder accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101772613A CN101772613A (en) | 2010-07-07 |
| CN101772613B true CN101772613B (en) | 2013-08-21 |
Family
ID=39811693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880101819.XA Active CN101772613B (en) | 2007-08-07 | 2008-07-28 | A ladder accessory |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2181234B1 (en) |
| CN (1) | CN101772613B (en) |
| DK (1) | DK2181234T3 (en) |
| ES (1) | ES2646613T3 (en) |
| WO (1) | WO2009019162A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2486214B1 (en) | 2009-10-07 | 2013-12-11 | Lampe Holding B.V. | Portable ladder with a stand off device |
| IT201900024021A1 (en) * | 2019-12-16 | 2021-06-16 | Massimo Martini | AGRICULTURAL SCALE |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2388892A (en) * | 1944-05-08 | 1945-11-13 | Columblan Rope Company | Ladder |
| EP0232206A2 (en) * | 1986-02-05 | 1987-08-12 | Anaplastiki Ltd. | Security device for supporting ladders and scaffoldings against poles, trees, columns, or building façades |
| CN2230346Y (en) * | 1995-05-31 | 1996-07-03 | 西安供电局 | Anti-skid clip for lifter |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1918293A (en) | 1931-03-02 | 1933-07-18 | Ernest L Seiler | Rungless ladder |
| CH241854A (en) | 1944-09-19 | 1946-04-15 | Tschaeppaet Hans | Removable ladder. |
| US2744674A (en) | 1954-09-21 | 1956-05-08 | John E Smith | Sectional ladder |
| US4502566A (en) | 1983-03-28 | 1985-03-05 | Little Giant Industries, Inc. | Wall stand-off apparatus |
| US5850894A (en) | 1992-06-16 | 1998-12-22 | Busenhart; Edwin | Ladder, kit, and positioning support for ladder |
| WO1994029561A2 (en) | 1993-06-15 | 1994-12-22 | Edwin Busenhart | Ladder with support, fastening device, support and kit for building light ladders |
| DE19711588A1 (en) | 1997-03-20 | 1998-09-24 | Euchner Gmbh & Co | Safety switch |
| US6405828B1 (en) | 2000-09-01 | 2002-06-18 | William A. Redding | Protective ladder attachment |
| US6691825B2 (en) | 2002-04-24 | 2004-02-17 | Voy Haig | Adjustable ladder stabilizer and tool holder |
| GB0218577D0 (en) | 2002-08-09 | 2002-09-18 | Innovations For Trade And Tech | Safety device |
| AU2002952479A0 (en) | 2002-11-05 | 2002-11-21 | RJ Engineering Services Pty Ltd | Ladder stabilising device |
| DE20310659U1 (en) * | 2003-07-11 | 2003-09-18 | Scherer, Reinhold, 57482 Wenden | Ladder aid for accessing roof rack of vehicle has an extending lightweight ladder secured by suction grips at the top and by ground support plates at the bottom |
-
2008
- 2008-07-28 ES ES08786519.2T patent/ES2646613T3/en active Active
- 2008-07-28 WO PCT/EP2008/059878 patent/WO2009019162A1/en active Application Filing
- 2008-07-28 DK DK08786519.2T patent/DK2181234T3/en active
- 2008-07-28 EP EP08786519.2A patent/EP2181234B1/en active Active
- 2008-07-28 CN CN200880101819.XA patent/CN101772613B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2388892A (en) * | 1944-05-08 | 1945-11-13 | Columblan Rope Company | Ladder |
| EP0232206A2 (en) * | 1986-02-05 | 1987-08-12 | Anaplastiki Ltd. | Security device for supporting ladders and scaffoldings against poles, trees, columns, or building façades |
| CN2230346Y (en) * | 1995-05-31 | 1996-07-03 | 西安供电局 | Anti-skid clip for lifter |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2181234B1 (en) | 2017-08-23 |
| ES2646613T3 (en) | 2017-12-14 |
| EP2181234A1 (en) | 2010-05-05 |
| CN101772613A (en) | 2010-07-07 |
| DK2181234T3 (en) | 2017-11-20 |
| WO2009019162A1 (en) | 2009-02-12 |
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