CN101111658A - Collapsible combination ladder - Google Patents
Collapsible combination ladder Download PDFInfo
- Publication number
- CN101111658A CN101111658A CNA2006800037673A CN200680003767A CN101111658A CN 101111658 A CN101111658 A CN 101111658A CN A2006800037673 A CNA2006800037673 A CN A2006800037673A CN 200680003767 A CN200680003767 A CN 200680003767A CN 101111658 A CN101111658 A CN 101111658A
- Authority
- CN
- China
- Prior art keywords
- ladder
- terraced
- section
- stepladder
- ladder section
- 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.)
- Pending
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Classifications
-
- 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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
- E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
-
- 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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
- E06C1/125—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic with tubular longitudinal members nested within each other
-
- 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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
Abstract
A collapsible stepladder (1) comprising two ladder legs (2, 3), where the legs (2, 3) are hingedly connected to each other in one end. Each of the ladder legs (2, 3) comprises several ladder sections (4a-4d) , and where each section comprises two ladder bars (6, 7) arranged parallel to each other and interconnected at one end by a rung (8) to form a U-shaped ladder section. The ladder sections are telescopically inserted into a lower ladder section (4e) to form a collapsible ladder comprising at least three ladder sections. One of the ladder legs (3) is provided with a support part (12) in one end. The support part (12) is telescopically extendible from the ladder leg (3) and forms an extension ladder of the ladder leg and where the support part (12) projects above a hinge (5) between the two ladder legs (2, 3).
Description
Technical field
The present invention relates to have the collapsible stepladder of the ladder section of extension type insertion each other.
Background technology
The known collapsible and extendible stepladder of industry.Some stepladder examples of prior art hereinafter will be described.
Disclose a kind of telescopic collapsible stepladder in the WO-A1-99/51848 patent, this stepladder comprises with hinge two terraced legs connected to one another.Every terraced leg is formed by some telescopic collapsible sections, and this section has bolt mechanism in each crosspiece, is used for when terraced leg is stretched out these sections being locked toward each other.Bolt mechanism in each crosspiece is designed to folding when this crosspiece and when reclining lower rung contiguous, unclamps the higher section of adjacency.When stepladder was expanded, the spacing of each crosspiece in terraced leg was greater than the spacing of each crosspiece in another terraced leg.The problem of the stepladder that the WO-A1-99/51848 patent is related is, the height difference of the collapsible sections of two terraced legs, and the type of Here it is this stepladder will never approved reason.In addition, this stepladder can not be converted into vertical ladder, because two terraced legs are folded into adjacency, can make the ladder have many small steps because the height of collapsible sections has nothing in common with each other.
In the US-A-4989692 patent, a kind of ladder that comprises two hinge jointings is disclosed, this ladder can inverted V-shaped towards as stepladder usefulness, perhaps use as vertical ladder with straight linearity configuration.Each section of this ladder includes many U-shaped bearing assemblies, and each this bearing assembly limits a cross bar and two side rails that stretch down.The transversal profile size of the side rails of different U-shaped assemblies is progressive classification, thereby owing to can telescopic slide of the side rails of some alignings within another this assembly can be arrived together by polycondensation.The ladder that the US-A-4989692 patent is related, its problem are that two sections of this ladder do not have external support just can not use, perhaps user's face balance of need simultaneously working, and this angle from work safety is inconsiderable.This is owing in the upper ladder section that uses ladder, do not dispose supporting member on the ladder and cause.Another problem of this ladder is, if ladder is converted into vertical ladder, so, but because two terraced legs are folded and lived two terraced legs are fixed to one another by swinging connecting rod 26, ladder rather unstable then.This kind fastening devices was both very dangerous, and was very unstable again, also can not ratify by type.
In the GB-A-2110286 patent, another kind of stepladder is disclosed, it comprises the telescopic part of the first cover strong yet, and the second cover parts, and every cover component include bearing surface, and this bearing surface forms a step of ladder.Each parts is laterally connecting one group of part in a part or the first cover strong elements.Between first each strong elements of cover, arranged a cover stop stake and a locking device, to guarantee two stability that extreme position is minimum of ladder, that is to say, guarantee the stability of ladder of folding up itself and the ladder of stretching out.The ladder that the GB-A-2110286 patent relates to has not only been eliminated the problem same with the US-A-4989692 patent, and change when disposing not locking or stationary device.
The objective of the invention is to overcome the existing defective of stepladder and the problem of prior art, and a kind of stepladder is provided, this stepladder is simple and easy but also safety not only, and can convert vertical ladder to, but do not reduce safety standard and controllability criteria.
Summary of the invention
A kind of stepladder according to the described characteristic performance of claim 1 can address the above problem.
Feature described in the claims of enclosing further limits other aspects of invention and preferred embodiments thereof.
Description of drawings
Below, with reference to description of drawings the present invention, in these accompanying drawings:
Fig. 1 is the phantom drawing of at utmost collapsible stepladder according to the invention;
Fig. 2 is the phantom drawing of stepladder according to the invention, and ladder section all among the figure are all fully stretched out;
Fig. 3 is the lateral view of stepladder according to the invention, and ladder section all among the figure are all fully stretched out;
Fig. 4 is the phantom drawing of conversion hysteria ladder according to the invention, and the ladder section that shown vertical ladder has is folding;
Fig. 5 is the lateral view of conversion hysteria ladder according to the invention, and the ladder section that shown vertical ladder has is folding;
Fig. 6 is the lateral view that has the stepladder of locking device according to the invention, and ladder section all among the figure are all fully stretched out; And
Fig. 7 to Fig. 8 is the lateral view that has the stepladder of locking device according to the invention, and ladder section all among the figure is all folding fully.
The specific embodiment
Each crosspiece 8,9 includes to stay holds mechanism, and this mechanism is used for making ladder section automatic locking relative to each other when terraced leg 2,3 is stretched out.Staying and hold mechanism can be any kind well known in the prior art, for example, and any type shown in EP-B1-0527766 number and the EP-A1-1402143 patent.
Have support unit 12 on the end of the second terraced leg 3.Support unit 12 is stretched out from second terraced leg 3 telescopicallies, and forming the ladder extension 12 of terraced leg 3, and support unit 12 protrudes in the top of two hinge connectors 5 between the terraced leg 2,3.Support unit 12 comprises at least one support section 12a to 12b, each support section comprises two ladder bars 6,7, this rod member is arranged to parallel to each other, and by crosspiece 16 an one end is interconnected to form a U-shaped support section 12a to 12b at least.Support section 12a to 12b telescopically inserts in the terraced leg 3, but to form support unit 12.Support unit 12 also comprises upper support section 12c, and this section comprises two ladder bars 6,7, and this rod member is arranged to parallel to each other, and by crosspiece 13 an one end is interconnected, to form U-shaped support section 12c.Support section 12c telescopically inserts among the lower support section 12a to 12b.
Shown ladder in Fig. 2, having two terraced legs 2,3 and wide-spread support unit is extension component 12.Support unit 12 can make the subscriber station of stepladder stand on the upper ladder section 4a to 4b, because support unit 12 can make the user feel safety.In Fig. 2, support unit 12 comprises two folding ladder sub-segments 12a and 12c.On the upper rail 13 of support unit 12, there is a device to be used to keep some instruments or object, for example can place plate, desk, shelf, box/case or basket there.This device by with folder, squeeze, extension, hook or other any suitable modes be arranged on the upper rail 13 and locate.Crosspiece 13 can be arranged to have holding device for example hole, skewed surface, depressed part or similar portions, so that admit holding device better.
In Fig. 2, also shown the belt 14 that is arranged between the terraced leg 2,3, this belt is used to strengthen the stability that is in the ladder under stretching, extension and the folding pattern, and prevents that terraced leg from opening.Belt 14 by suitable fastener for example Pop rivet or similar object an one end is connected with the rear side of the crosspiece 8 of terraced leg 2, its another end then is connected with the rear side of the crosspiece 8 of terraced leg 3.Belt 14 is preferably connecting the crosspiece 8 at the ladder section 4e place that lays respectively at terraced leg 2,3, still, belt 14 is being connected be positioned at and locate the crosspiece that combines with ladder section above or below the ladder section 4e.Belt 14 is also shown among Fig. 3 and Fig. 5, but has omitted for clarity in Fig. 1 and Fig. 4.Belt 14 can be made by nylon woven nylon material.
In Fig. 3, shown how hinge connector 5 almost forms a platform between the top of terraced leg 2,3, this platform can be used to put tool box or similar articles, perhaps can be for keeping.
In Fig. 4 and Fig. 5, the ladder section 4d of terraced leg 2 has been folded.Stepladder 1 is converted into vertical ladder, and this vertical ladder leans on the wall.Support unit 12 can make that the ladder rested against the wall, does not disturb or make its instability but terraced leg 2 is caused on by upright position and to ladder.Because the ladder section 4d of terraced leg 2 has been folded, when ladder was converted into vertical ladder, terraced leg 2 was freely hung, and is out of the way.Can fold up any one or several folding ladder sub-segments 4a to 4d.In order to ensure folding ladder section not because of the weight of himself stretches, holding device 15 keeps together folding ladder section and that below the folded ladder section in abutting connection with ladder section.
In Fig. 4, holding device is the belt 15 that nylon material is made, but also can be hook, and it is connecting the crosspiece of a ladder section, and can pivot, thereby makes hook portions surround the crosspiece of the ladder section of adjoiner.The U-shaped clip that also can use plastic material to make, this clip keep together folding ladder section and that of folded ladder section below in abutting connection with ladder section.Benefit with clip is, any one ladder section 4a to 4d can fold and be clamped by clip, the residing position of hook or belt then determining should folded ladder section 4a to 4d in the middle of which section, and that of folded ladder section below kept together in abutting connection with ladder section.According to another optional embodiment, can use to stay and hold mechanism or say so more specifically that this stays the locking pin of holding mechanism, with respect to the ladder section of folded ladder section 4a to 4d below adjacency, keep or locking folding ladder sub-segments 4a to 4d.
In Fig. 4 and Fig. 5, ladder section 4d is folded, and belt 15 is section 4d of folded ladder and ladder section 4e that holding device surrounds terraced leg 2.Belt 15 preferably connects in the crosspiece 8,9, and length is enough surrounded the crosspiece of folded ladder section and the crosspiece of the ladder section of folded ladder section below adjacency.Fig. 4 and embodiment illustrated in fig. 5 in, belt 15 is connecting crosspiece 9 by Pop rivet or other any suitable fasteners.Belt 15 is central fastening by belt 15, thereby this belt extends along both direction on a 50-50 basis from fastened basically.In the end portion of belt 15, when the end of belt surrounds crosspiece, dispose some interactional Velcro securing member or similar fasteners.
The ladder section 4b to 4e of ladder leg 3 is designed to have darker crosspiece 8,9,11 (seeing Fig. 3 and Fig. 5), so that compare the crosspiece of the ladder section of terraced leg 2, forms extra foot's supporting.Crosspiece is suitably made by extruded aluminium section.
Showing that having changed ladder promptly is used as ladder in the foregoing description of vertical ladder use, at least one section is folded among the folding ladder sub-segments 4a to 4d of the first terraced leg 2, thereby can make ladder be used as the vertical ladder use.Yet, also can allow whole ladder section 4a to 4d of the first terraced leg 2 all keep stretching, and be folded in 2 li of terraced legs, so that adjacent with the second terraced leg 3 and parallel.In this case, holding device 15 can be used for all remaining on adjacent to two terraced legs 2,3 and the position that parallels on.In this case, the lower ladder section 4e of the second terraced leg 3 can be longer than the lower ladder section 4e of the first terraced leg 2, thereby two end portions of two terraced legs 2,3 are simultaneously by ground supporting.
In Fig. 6 to Fig. 8, the shown collapsible stepladder with less folding ladder sub-segments has locking device 20.Locking device 20 comprises first parts 21 and second parts 22.An end of first parts 21 is connecting the crosspiece 8 in the first terraced leg 2 pivotly, the crosspiece 8 of the ladder section that preferably close hinge connector 5 belows of this crosspiece are provided with.The crosspiece 8 of the ladder section that preferably close hinge connector 5 belows of the similar corresponding crosspiece 8 that is connecting the second terraced leg 3 pivotly of an end of second parts 22, this crosspiece are provided with.The another one end of first and second parts 21,22 can lock and be connected to each other collapsibly.Locking member 23 has also been arranged in junction between first and second parts 21,22, and these parts have the handle portion 24 that extends up.
When locking device 20 can guarantee to use stepladder 1, the terraced leg 2,3 of stepladder 1 can by mistake not folded.When the folding ladder sub-segments of stepladder 1 is stretched and the terraced leg 2,3 of fully stretching out when being launched into the use pattern, first and second parts 21,22 of locking device 20 are unfolded, between the crosspiece 8 of the corresponding ladder section of stepladder 1, constitute the parts of almost straight and level.By locking member 23 being spurred up with handle portion 24, first and second parts 21,22 of locking device 20 parts 23 locking that is locked toward each other, and any external strength of the normal size on the stepladder 1 can not make terraced leg 2,3 be folded together, and also unlikely any user use stepladder 1 places on the dangerous position.In Fig. 6, locking device 20 is on the locked position.
In order to open locking device 20, handle portion 24 can be promoted down, thus first and second parts 21,22 of mobile down locking device 20, and, if necessary, terraced leg 2,3 is folded.
When locking device 20 by the whole ladder bars 6,7 of being arranged in when inner, locking device 20 is protected, can be when operation stepladder 1 and accept any external strength.In addition, when first and second parts 21,22 of locking device 20 were disposed on the little protuberance of short end of crosspiece 8, locking device 20 can be folded, and can not disturb the retractility folder function of stepladder 1; But when ladder section was folded, locking device 20 can be followed ladder section and be walked down.Fig. 7 and Fig. 8 clearly illustrate that locking device 20 is disposed in the situation in the space that terraced leg 2,3 limits, more particularly, this space be by the ladder bars 6 of terraced leg 2,3 or 7 and the crosspiece 8 of ladder section limited.
The present invention is not limited to above illustrated and by those shown embodiment of drawing, but can replenish by any way and revise within the scope of the present invention that claims limited of enclosing.
Claims (14)
1. one kind comprises the first and second terraced legs (2,3) collapsible stepladder (1), wherein, ladder leg (2,3) a end is connected to each other with hinge, and every terraced leg (2,3) comprise several ladder section (4a to 4e), each section (4a to 4d) comprises and is arranged to parallel to each other and an end is arranged by interconnective two ladder bars (6 of crosspiece (8), 7), to form the U-shaped ladder section, in addition, each ladder section (4a to 4d) telescopically inserts in the lower ladder section to form a folding ladder that comprises three ladder section at least, wherein, an end of the second terraced leg (3) has a support unit (12), this support unit (12) is extensible telescopicly from terraced leg (3), to form the extension ladder of terraced leg (3), wherein, support unit (12) protrudes in and makes two terraced legs (2,3) top of interconnective hinge (5) is characterized in that: collapsible stepladder (1) is arranged to be converted to vertical ladder.
2. collapsible stepladder as claimed in claim 1 (1) is characterized in that: the first terraced leg (2) has holding device (15) so that one or several collapsible sections (4a to 4d) is remained on the folding position.
3. collapsible stepladder as claimed in claim 2 (1), it is characterized in that: holding device (15) is belt or hook, it is connecting a section in the ladder section (4a to 4e) of the first terraced leg (2), so that the ladder section (4a to 4d) that will fold and folded ladder section (4a to 4d) below one keeps together in abutting connection with ladder section.
4. collapsible stepladder as claimed in claim 2 (1), it is characterized in that: holding device (15) is the U-shaped clip, and it is arranged to folded ladder section (4a to 4d) below one of the crosspiece of folded ladder section (4a to 4d) (8,9) is kept together in abutting connection with ladder section.
5. collapsible stepladder as claimed in claim 1 (1) is characterized in that: collapsible stepladder is arranged to be arranged in parallel by means of being converted to vertical ladder with hinged terraced leg (2,3), can making the terraced leg (2,3) of stretching out fully.
6. collapsible stepladder as claimed in claim 5 (1) is characterized in that: the lower ladder section (4e) of the second terraced leg (3) is longer than the lower ladder section (4e) of the first terraced leg (2).
7. collapsible stepladder according to any one of the preceding claims (1), it is characterized in that: support unit (12) comprises at least one folding ladder sub-segments (12a, 12b, 12c).
8. collapsible stepladder according to any one of the preceding claims (1), it is characterized in that: support unit (12) has the device that is used for maintenance instrument, pigment or other work materials.
9. collapsible stepladder according to any one of the preceding claims (1), it is characterized in that: two terraced legs (2,3) are connected by flexible connecting member (14), this connector is disposed between the corresponding ladder section (4b to 4d) of terraced leg, opens in use with the terraced leg (2,3) that prevents stepladder.
10. collapsible stepladder according to any one of the preceding claims (1), it is characterized in that: two terraced legs (2,3) are connected by locking device (20), this locking device is disposed between the corresponding ladder section (4b to 4d) of terraced leg, to prevent that the terraced leg of stepladder (2,3) is movable relative to each other in use.
11. collapsible stepladder as claimed in claim 10 (1), it is characterized in that: locking device (20) is connecting the sidepiece of corresponding crosspiece of the corresponding ladder section (4b to 4d) of two terraced legs (2,3) respectively pivotly with an end of first and second parts, and the other end of first and second parts can be locked and be connected to each other collapsibly.
12. as claim 10 or 11 described collapsible stepladder (1), it is characterized in that: locking device (20) is arranged to fold, thereby the locking device (20) that is in folding pattern is stored in the space between the terraced leg (2,3).
13. collapsible stepladder according to any one of the preceding claims (1) is characterized in that: at least one terraced bottom bands of trouser legs in the terraced leg of stepladder (2,3) is useful on the stabilising arrangement (10) that improves lateral stability.
14. collapsible stepladder as claimed in claim 13 (1) is characterized in that: described stabilising arrangement is the Base of ladder (10) that is connected and extends between described ladder bars with the lower end of the ladder bars (6,7) of the foot section (4e) of terraced leg.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05002007A EP1686233A1 (en) | 2005-02-01 | 2005-02-01 | Collapsible combination ladder |
| EP05002007.2 | 2005-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101111658A true CN101111658A (en) | 2008-01-23 |
Family
ID=34933538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800037673A Pending CN101111658A (en) | 2005-02-01 | 2006-02-01 | Collapsible combination ladder |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1686233A1 (en) |
| JP (1) | JP2008528834A (en) |
| CN (1) | CN101111658A (en) |
| AU (1) | AU2006210078A1 (en) |
| CA (1) | CA2594804A1 (en) |
| EA (1) | EA012890B1 (en) |
| NO (1) | NO20074352L (en) |
| NZ (1) | NZ556606A (en) |
| WO (1) | WO2006082032A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868569A (en) * | 2018-05-22 | 2018-11-23 | 苏州盈腾五金制品有限公司 | A kind of fire-fighting portable stretchable ladder |
| CN109863281A (en) * | 2016-11-02 | 2019-06-07 | 徐东英 | With the automatic ladder of electric screw driver adjustable-length |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975210Y (en) * | 2006-10-31 | 2007-11-14 | 苏正平 | Connection structure of ladder |
| US8225906B2 (en) * | 2008-08-22 | 2012-07-24 | Core Distribution, Inc. | Extendable/retractable ladder |
| WO2015081387A1 (en) | 2013-12-04 | 2015-06-11 | Paul Breen | Handrail assembly, system and method of installation |
| US10233692B2 (en) | 2014-12-02 | 2019-03-19 | Core Distribution, Inc. | Foldable ladder |
| CN105221058B (en) * | 2015-09-16 | 2017-03-22 | 国网辽宁省电力有限公司锦州供电公司 | Indoor sectional insulating ladder for transformer substation |
| RU2635150C2 (en) * | 2015-10-09 | 2017-11-09 | Общество с ограниченной ответственностью"Инвестпроект" | Fixing device for extendable ladder |
| CN105332644A (en) * | 2015-11-23 | 2016-02-17 | 乐山市同源科技有限公司 | Multifunctional ladder |
| MX2020004764A (en) | 2017-11-08 | 2020-10-28 | Core Distrib Inc | Locking assembly for a telescoping ladder. |
| CN108049798A (en) * | 2017-12-15 | 2018-05-18 | 潘跃进 | Unilateral extension ladder rear support frame |
| RU2679762C2 (en) * | 2018-05-07 | 2019-02-12 | Александр Михайлович Гультяев | Ladder with drawers |
| US11795760B2 (en) | 2019-10-24 | 2023-10-24 | Core Distribution, Inc. | Ladder tripod assembly and system |
| RU199345U1 (en) * | 2020-06-24 | 2020-08-28 | Общество с ограниченной ответственностью «ТЦ Телекоммонтаж» | Folding ladder |
| NL2029224B1 (en) | 2021-09-22 | 2023-03-29 | Lampe Holding Bv | Portable ladder with a stand off device |
| RU210209U1 (en) * | 2021-10-06 | 2022-03-31 | Сергей Анатольевич Денисенко | STAIR SECTION |
| SE2151545A1 (en) * | 2021-12-16 | 2023-04-18 | Telesteps Ab | Collapsible step ladder and a connection bracket therefor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2127949A (en) * | 1936-05-08 | 1938-08-23 | Zeman Paul | Folding ladder |
| JPS5045451Y2 (en) * | 1971-06-29 | 1975-12-23 | ||
| FR2435596A1 (en) * | 1978-07-24 | 1980-04-04 | Gubri Sa Ets L | Extendable ladder converting into step-ladder - has two sections with hollow rungs connected by stabilising strap loop passing through rungs |
| GB2110286A (en) | 1981-05-08 | 1983-06-15 | Bier And Son I | Light and extensible ladder |
| BE1004040A6 (en) | 1989-06-16 | 1992-09-15 | Show Min Liaw | Stretch scale multi-purpose. |
| GB2336174A (en) | 1998-04-04 | 1999-10-13 | James Thomas Weston | Collapsible step ladder |
-
2005
- 2005-02-01 EP EP05002007A patent/EP1686233A1/en not_active Withdrawn
-
2006
- 2006-02-01 CA CA002594804A patent/CA2594804A1/en not_active Abandoned
- 2006-02-01 EA EA200701641A patent/EA012890B1/en unknown
- 2006-02-01 JP JP2007552599A patent/JP2008528834A/en active Pending
- 2006-02-01 NZ NZ556606A patent/NZ556606A/en not_active IP Right Cessation
- 2006-02-01 WO PCT/EP2006/000856 patent/WO2006082032A1/en not_active Application Discontinuation
- 2006-02-01 CN CNA2006800037673A patent/CN101111658A/en active Pending
- 2006-02-01 AU AU2006210078A patent/AU2006210078A1/en not_active Abandoned
-
2007
- 2007-08-27 NO NO20074352A patent/NO20074352L/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109863281A (en) * | 2016-11-02 | 2019-06-07 | 徐东英 | With the automatic ladder of electric screw driver adjustable-length |
| CN108868569A (en) * | 2018-05-22 | 2018-11-23 | 苏州盈腾五金制品有限公司 | A kind of fire-fighting portable stretchable ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| EA200701641A1 (en) | 2008-02-28 |
| NO20074352L (en) | 2007-10-28 |
| CA2594804A1 (en) | 2006-08-10 |
| AU2006210078A1 (en) | 2006-08-10 |
| WO2006082032A1 (en) | 2006-08-10 |
| EA012890B1 (en) | 2009-12-30 |
| JP2008528834A (en) | 2008-07-31 |
| NZ556606A (en) | 2011-01-28 |
| EP1686233A1 (en) | 2006-08-02 |
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