CN1914401A - Expandable device for working at heights having a profiled main post - Google Patents
Expandable device for working at heights having a profiled main post Download PDFInfo
- Publication number
- CN1914401A CN1914401A CNA2005800031278A CN200580003127A CN1914401A CN 1914401 A CN1914401 A CN 1914401A CN A2005800031278 A CNA2005800031278 A CN A2005800031278A CN 200580003127 A CN200580003127 A CN 200580003127A CN 1914401 A CN1914401 A CN 1914401A
- Authority
- CN
- China
- Prior art keywords
- ground
- section bar
- principal
- high above
- work high
- 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
- E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
- E06C7/086—Connections between rungs or treads and longitudinal members with a connecting piece inserted in a hollow rung
-
- 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
- E06C1/10—Sections fitted end to end
-
- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
-
- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/14—Holders for pails or other equipment on or for ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/16—Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
-
- 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
- E06C7/185—Devices providing a back support to a person on the ladder, e.g. cages
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention relates to a device for working at heights which comprises at least two main posts (10) supporting functional elements (30, 40) and is characterised in that the main posts (10) are embodied in the form of extruded profiles and comprise at least one external lateral surface (12, 14) of the main post (10) provided with means (12, 14) for lock fixing the functional elements (30, 40) by locking and the internal space (11) of the main post containing jointing elements (60, 50) which make it possible to assembly, by means of a main post (10) profile, a growing device for working at heights which is embodied in the form of a ladder, a step-ladder, a scaffold or an automobile elevator. Said invention makes it possible to advantageously carry out overhead works by ensuring the safety, reducing operating time and improving a user comfort.
Description
Technical field
The present invention relates to be used for the device and the principal post (main post) thereof of work high above the ground.The present invention sets about from the simple ladder with two posts, and is final to portable pedal ladder to the ladder that comprises platform, pedal ladder (step-ladder), according to the present invention, obviously and successfully realizes the present invention by installation function element on principal post.These the achievement in carrying out work high above the ground safely, save time and user's comfortableness aspect provide favourable and obvious improvement.The present invention shows in builing industry and various operation of great use.
Background technology
There is the multiple device that is used for work high above the ground.Know most a kind of be ladder.Other kind is for example for having ladder, pedal ladder and the portable pedal ladder of platform.So far exist and still an open question provide a kind of practicality of all situations that run into can be adapted at work high above the ground the time and firm expandable device.
Summary of the invention
Technical problem
At present, the principal post of ladder or pedal ladder has rectangle or circular profile (profile), these profiles are brought various disadvantages, the invention is intended to by proposing a kind of more firm but purposes is more various and easier profile of regulating height solves these disadvantages.
Technical scheme
The objective of the invention is to propose a kind of apparatus for assembling that especially is contemplated that the expandable device that is used for work high above the ground.Like this, the invention enables the user to assemble the device that is used for operation fast and easily from the assembling section bar (assembly profile) applicable to multiple assembling function, this device has the form of most convenient for the user.
The objective of the invention is to propose a kind of assembling section bar, it is assembly and disassembly apace, and this assembling section bar is firm and can easily be suitable for using with outside installation elements.
The objective of the invention is to propose a kind of assembling section bar of economy.It is perhaps for example made of aluminum for example by being crushed to.
The objective of the invention is to propose a kind of assembling section bar, it is applicable at least four kinds of functions, that is: first kind of function is cleat stanchion, second kind of function is the post that is used for the pedal ladder, the third function is (for example to be used for the function element used with the device that is used for work high above the ground, strengthen lattice, device or pedal) the installation support member, and the 4th kind of function is to be used to provide support the also composite set of brake axle when described expandable device is taked the moveable platform form.
The objective of the invention is to propose a kind of assembling section bar, it can link together, thereby the user can make his/her installation have any form or any length.Therefore, the present invention includes linear Connection Element, the permission that connects described assembling section bar that allow to be in line and connect the inclination Connection Element of described assembling section bar and the outer connecting element that allows to connect outer member with predetermined connection angle.The present invention also mainly is, described assembling section bar is contemplated the minimized in size that makes all links.The mother of principal post assembles section bar and comprises external surface and the inner surface that is provided with groove, thereby makes the complementary profile of described function element easily cooperate this mother to assemble section bar.Son assembling section bar for example is stair treads (ladder step) under the situation of ladder form, perhaps is the direction guide handle of portable pedal ladder direction under the situation of portable pedal ladder form.
The objective of the invention is to propose the refilling member of complete column piece, connector and post, especially, by the cover parts that comprise for example handle, wheel, the collar, adjusting knob or pipe cap that plastics are molded as, all these parts all can easily connect without screw etc.These sleeving plastic parts are compatible mutually with the use of aluminium post.
Description of drawings
Accompanying drawing is represented specific embodiments of the invention, in these accompanying drawings:
Fig. 1 represents according to principal post assembling section bar of the present invention with top view in cross-section;
Fig. 2 a represents profile according to pedal of the present invention with sectional view;
Fig. 2 b to 2y is illustrated in the parts that make up in the different adapters of a cover useful in the moveable platform;
Fig. 3 and Fig. 4 represent the vertical view and the lateral view of the direction guide handle of portable pedal ladder, are used to illustrate the assembling of element on the assembling section bar;
Fig. 5 a and Fig. 5 b represent two cross-sectional side elevational view of the section bar assembly of linear assembling section bar;
Fig. 6 represents to show the vertical view that has the assembly of pedal according to the present invention;
Fig. 7 shows the lateral view according to the assembly of pedal ladder of the present invention; And
Fig. 8 A, Fig. 8 B, Fig. 8 C and Fig. 8 D represent according to the different assembling bodily form formulas of expanding of the present invention.
The specific embodiment
Fig. 1 represents assembling section bar 10 according to principal post of the present invention with top view in cross-section.This assembling section bar is preferred made of aluminum and by being crushed to, thereby has the fixed profile along predetermined axial line.The major function of described assembling section bar is as being used for the section bar of work high above the ground with the principal post of device,, is used for four legs of pedal ladder (Fig. 8 C and Fig. 8 D) or the two legs of ladder (Fig. 8 A, Fig. 8 B) that is.Assembling section bar 10 has rectangular shape.It comprises two first type surfaces on length, that is: be provided with the first surface of one group of rib 12,13 and be the second surface 14 on plane substantially.The described group of rib 12,13 of first surface has specific range L between these two ribs 12 and 13, so that the height L of the pedal 30 among this distance and Fig. 2 is corresponding.Assembling section bar 10 for hollow and comprise two inner spaces 11 that are positioned at each place, ends on its length, each inner space occupies about 1/3rd of length.In this example, inner space 11 has circular cavity.The function of these inner spaces is to hold the Connection Element 60 of section bar assembly.Therefore like this, we can say that section bar is reinforced at the level place of Connection Element, structure is had to be better than the soundness of the ladder of prior art.Another advantage of these Connection Elements thereby be can be arranged in predetermined altitude by the Connection Element with predetermined length and easily increases the length of cleat stanchion.In fact, in some occasion, need not connect two continuous assembling section bars.This function of Connection Element especially has been shown in Fig. 5 and Fig. 6.Described assembling section bar thereby present 12,13,14 and two inner spaces 11, two horizontal mating faces that are used for Connection Element.Replacedly, the profile form of dumbbell form makes structure have enough soundnesses of opposing lateral force and longitudinal force.This section bar with 8 font forms with two almost circular inner spaces allows such specific function, that is: hold wheel shaft in first inner space, and hold the upright brake of wheel in second inner space.Fig. 2 represents the sectional view according to pedal 30 of the present invention.As Fig. 6 of watching from sidepiece and top and shown in Figure 7, pedal 20 is assemblied between two assembling section bars 10.Pedal 30 can be formed or form by alternate manner by extruding by aluminium, and has a fixed profile of the common form of the parallelepiped that is slight inclination, the thickness of pedal 30 equals L with regard to its lateral surfaces 31, thereby this pedal is assemblied in one group of described rib of assembling section bar 10.
Replacedly, pedal 30 has upper surface 32, and this upper surface is rib shape (ribbed), so that the skid resistance to user's pin can be provided.Pedal 30 is provided with the vertically interior space 33 that is used for screw, and described screw is used for sustain pedal 30 and waits to be fixed in the hole (56 among Fig. 5) that is formed at assembling section bar 10.Fig. 3 and Fig. 4 represent the view of the direction guide handle 40 that is used for portable pedal ladder watched from the top with from sidepiece, are used to illustrate the assembling of element on the assembling section bar.Direction guide handle 40 has the common form of rectangular bar, and comprises the centre gangway 41 of the axle of the control crank that is used for portable pedal ladder.
Direction guide handle 40 has the profile 42 with surface 12,13 complementations of assembling section bar in two end, thereby described post is installed on the assembling section bar 10 securely.Fig. 5 a is the sectional view that comprises the assembly of carriage 50, and this carriage is installed on the linear assembling section bar 10 that constitutes cleat stanchion.What be readily appreciated that is, the user who wants to increase the height of post can put into assembly element 60 inner space 11 (Fig. 6), then this post 60 is placed on second end of the second assembling section bar.Then finish these two connections between the assembling section bar by the ring 61 that is provided with locking device 62.According to user's hope, assembling section bar 10 also is provided with hole 56 in two lateral surfaces 12,14, so that allow screw to pass so that other element or instrument 55 to be installed securely.The function of described carriage is to guarantee the height of cleat stanchion, and can be owing to (the fixing mount) 51 of fixed installation portion the support and connection element, make these elements be installed to as follows on the assembling section bar 10 so that pedal ladder (Fig. 8 C) have two front pillar 10a (have along as the assembling section bar of locating of the Y direction among Fig. 5) and along the direction of Fig. 7 and as described in front pillar two rear pillars of locating orthogonally.How Fig. 5 b shows by assembling section bar 10 and is positioned at and regulates two distances between the assembling section bar 10 on the assembly element 60, and assembly element 60 has tooth bar (rack) and is fixed on the section bar 10 by locking device 62.In Fig. 5 b, two section bars 10 do not engage, but fixing alignment of the tooth bar by assembly element 60 fixed.But Fig. 8 A, Fig. 8 B, Fig. 8 C, Fig. 8 D represent the difference extend type according to assembly of the present invention.Fig. 8 A represents to have the simple ladder of two front pillars.What Fig. 8 A represented is classic ladder well known in the prior art.Fig. 8 B represents the ladder that is provided with job platform in first extension phase of the present invention.The function of arranging pinnacled job platform is that ladder and wall are separated, and his/her face can be near wall as in the prior art thereby the permission user works at the maximum height place of ladder.Come mounting platform 56 by the carriage described in Fig. 5 50, this carriage 50 is installed on the front pillar that is formed by assembling section bar 10.Fig. 8 C is the pedal ladder with front pillar 10a and rear pillar, and described rear pillar is located orthogonally so that each post all is arranged to the most firm.In order to realize described pedal ladder, the user assembles the post of being realized by assembling section bar 10 on the ladder of Fig. 8 B, these posts are not located along equidirectional, shown in Fig. 8 D, Fig. 8 D shows the state-of-the-art portable pedal ladder of pattern, and wherein front pillar plays the effect of maintenance direction guide handle 40 as shown in Figure 3.The assembling section bar 10 of Shi Yonging is used for holding wheel shaft in first inner space 11 like this, and holds upright check mechanism in second inner space.
Fig. 8 D represents portable pedal ladder, has: the control crank 82, the job platform 81 that are installed in pedal ladder the place ahead; Wheel support member 80, its function are the wheels of portable pedal ladder of can raising when wishing; And the reinforcement lattice of pedal ladder 83, it allows the pedal ladder of realization up to 6 meters.In order to constitute this final assembly, used one group of finished piece(s) (finishing piece), and as mainly it being listed as described in Fig. 2 z from Fig. 2 b:
Fig. 2 b and Fig. 2 c are the vertical views that is used for fixing two tubulose locking collars of assembly;
Fig. 2 d to Fig. 2 h is the vertical view of several tubulose section bars.Should notice that some pipe is assemblied in other pipe and has complementary profile, allows resistant property and best sliding properties simultaneously;
Fig. 2 i is the stereogram of assembling joint;
Fig. 2 j is the stereogram of spill handle (female handle);
Fig. 2 k is the stereogram that is used for the cap of round tube;
Fig. 2 l is the stereogram of little locking wheel;
Fig. 2 m is the stereogram that is used for the sliding part of section bar in some occasion, and it is used to prevent that section bar from bearing specific locking constraint;
Fig. 2 n is the stereogram of a joint;
Fig. 2 o is the stereogram of a collar;
The stereogram of Fig. 2 p person of being to use handle (user handle);
Fig. 2 q is the pedal that is used to have the moveable platform pattern of foot rest;
Fig. 2 r is the stereogram of a collar;
Fig. 2 s is the stereogram of wheel, clearlys show that this wheel is used for pedal ladder and moveable platform pattern;
Fig. 2 t is the stereogram of adapter piece;
Fig. 2 u is the stereogram of substrate fastener;
Fig. 2 v is the stereogram of rectangle pipe cap;
Fig. 2 w is the stereogram of wheel brake component;
Fig. 2 x is the stereogram of pipe cap;
Fig. 2 y is the stereogram of short tooth bar.
What know better like this is, for the user provides assembling section bar 10 and Connection Element 60, thereby can easily make up the simple ladder of wishing pattern, platform-type ladder, simple pedal ladder or pedal ladder movably.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, described principal post 10 support function elements 30,40, this device is characterised in that, principal post 10 has the profile that forms by extruding, described principal post has: at least one lateral surface 12,14 of principal post 10 is provided with the coupling device of the locking 12,14 that is used for function element 30,40; And the inner space that holds Connection Element 60 11 of principal post 10, thereby allow only to use one can assemble section bar 10 and realize being used for the expandable device of work high above the ground by assembling, this device can be ladder, pedal ladder, scaffold or moveable platform.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, described lateral surface 12,14 is at least two, and comprises engage ribs 12,13,14.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, described Connection Element 60 for example is fixed on this assembling section bar by ring-type fastening (encircling) or punching press (puncturing) by the external pressure on the assembling section bar 10.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, on its transverse wall 12, comprise punching (stamp) 56, thereby allow instrument hold-down screw (tool fix screw) 55 to pass.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, can regulate the distances between two assembling section bars 10 by assembling that section bar 10 is positioned on the assembly element 60, described assembly element 60 has tooth bar and is fixed on the section bar 10 by locking device 62.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, described Connection Element 60 is carriages 50, be used to guarantee the height of cleat stanchion, come the support and connection element, thereby make these elements be installed on the assembling section bar 10 can utilize installation accommodation section (attachment housing), so that the pedal ladder has two front pillar 10a, described front pillar 10a has the assembling section bar with respect to its rear pillar quadrature location.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, the platform 56 that is used for work high above the ground is installed by the joint carriage 50 that is installed on the principal post 10.
Therefore, the present invention relates to a kind of device that is used for work high above the ground that comprises at least two principal posts 10, it is characterized in that, utilize the described assembling section bar 10 of claim 1 to realize front pillar 10a and rear pillar, and follow the usual practice and they are installed as the different directions of basic quadrature.
Therefore, the present invention relates to a kind of device that is removable form that is used for work high above the ground, have principal post 10a, 10b, 110c, these principal posts comprise post 10a with anterior function and the principal post 10b with rear portion function, this device is characterised in that, fixing wheel shaft in first inner space 11 of principal post 10c, fixing upright check mechanism in second inner space 11.What be readily understood that is can make the multiple modification of obvious combination under the situation of the scope of the present invention that does not break away from the claims qualification here.
Claims (9)
1, a kind of device that is used for work high above the ground that comprises at least two principal posts (10), described principal post support function element (30,40), this device is characterised in that described principal post (10) has the profile that forms by extruding, and has: at least one lateral surface (12 of described principal post (10), 14), be provided with the coupling device of the assembling (12,14) that is used for function element (30,40); And described principal post (10) hold Connection Element (60,50) inner space (11), thereby allow single column section (10) is assembled into the expandable device that is used for work high above the ground, this device can be ladder, pedal ladder, scaffold or moveable platform.
2, the device that is used for work high above the ground that comprises at least two principal posts (10) according to claim 1, it is characterized in that, described lateral surface (12,14) be at least two, and each all comprises engage ribs (12,13,14), described engage ribs has the interval with the shape complementarity of described function element (30,40).
3, the device that is used for work high above the ground that comprises at least two principal posts (10) according to claim 1, it is characterized in that, described Connection Element (60) is by the external pressure on the described assembling section bar (10), and for example fastening or punching press is fixed on this assembling section bar by ring-type.
4, the device that is used for work high above the ground that comprises at least two principal posts (10) according to claim 1 is characterized in that, comprises hole (56) in its sidewall (12,14), thereby allows instrument hold-down screw (55) therefrom to pass.
5, the device that is used for work high above the ground that comprises at least two principal posts (10) according to claim 1, it is characterized in that, can be positioned at that described Connection Element (60) is gone up and the distances between two assembling section bars (10) are regulated by assembling section bar (10), described Connection Element has tooth bar and is fixed on the described section bar (10) by locking device (62).
6, the device that is used for work high above the ground that comprises at least two principal posts (10) according to claim 1, it is characterized in that, described Connection Element (60) is a carriage (50), be used to support the height of cleat stanchion and because fixedly accommodation section (51) and support and connection element, thereby make these elements be installed to as follows on the described assembling section bar (10), that is, make the pedal ladder have two front pillars (10a), described front pillar has the assembling section bar with respect to rear pillar quadrature location.
7, the device that is used for work high above the ground that comprises at least two principal posts (10) according to claim 1 is characterized in that, the platform (56) that raises and be used for work high above the ground by the joint carriage (50) that is installed on the described principal post (10).
8, a kind of device that is used for work high above the ground that comprises preceding principal post (10a) and back principal post (10b), it is characterized in that, utilize the described assembling section bar of claim 1 (10) to realize described front pillar (10a) and described rear pillar (10b), and follow the usual practice and they are installed as the different directions of basic quadrature.
9, a kind of device that is removable form that is used for work high above the ground, comprise principal post (10a, 10b, 110c), these principal posts comprise post (10a) with anterior function and the principal post (10b) with rear portion function, this device is characterised in that, assembling wheel shaft in first inner space (11) of principal post (10c), and in second inner space (11), assemble upright check mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0400699A FR2865497A1 (en) | 2004-01-26 | 2004-01-26 | Assembling profile for overhead job device e.g. step ladder, has inner reservation housing rail assembling units for connecting junction between two aligned assembling profiles, where profiles have dumbbell shape |
| FR0400699 | 2004-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1914401A true CN1914401A (en) | 2007-02-14 |
Family
ID=34717412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800031278A Pending CN1914401A (en) | 2004-01-26 | 2005-01-07 | Expandable device for working at heights having a profiled main post |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2007518908A (en) |
| KR (1) | KR20060135789A (en) |
| CN (1) | CN1914401A (en) |
| FR (1) | FR2865497A1 (en) |
| WO (1) | WO2005083221A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412057Y (en) * | 2009-04-22 | 2010-02-24 | 张明祥 | Portable electric tool ladder |
| US20150361722A1 (en) * | 2014-06-16 | 2015-12-17 | Dennis Chick | Elevated free stand platform |
| ES2954605T3 (en) * | 2017-04-18 | 2023-11-23 | Port Safety Aps | Modular safety ladder |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE573008A (en) * | ||||
| GB810055A (en) * | 1956-06-07 | 1959-03-11 | Cyril Harcourt Matthews | Improvements in or relating to ladders |
| FR1538223A (en) * | 1967-09-28 | 1968-08-30 | Aluminium Lab Ltd | metal ladders |
| US4060150A (en) * | 1973-09-07 | 1977-11-29 | Peter Hughes | Ladder kit |
| US3997027A (en) * | 1974-11-04 | 1976-12-14 | Patterson Allen S | Ladder |
| FR2356801A1 (en) * | 1976-07-01 | 1978-01-27 | Genries Pierre | Ladder rung or tread securing in hollow uprights - includes passing rivets or screws through tongues on treads or uprights |
| BE858078A (en) * | 1977-08-25 | 1977-12-16 | Schneider Friedrich | LADDER WITH PLATES OF STEP OR BARS |
| DE29811850U1 (en) * | 1998-07-02 | 1998-10-01 | Zarges Leichtbau Gmbh | framework |
-
2004
- 2004-01-26 FR FR0400699A patent/FR2865497A1/en not_active Withdrawn
-
2005
- 2005-01-07 WO PCT/FR2005/000036 patent/WO2005083221A1/en active Application Filing
- 2005-01-07 CN CNA2005800031278A patent/CN1914401A/en active Pending
- 2005-01-07 JP JP2006550221A patent/JP2007518908A/en active Pending
- 2005-01-07 KR KR1020067017388A patent/KR20060135789A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2865497A1 (en) | 2005-07-29 |
| JP2007518908A (en) | 2007-07-12 |
| WO2005083221A1 (en) | 2005-09-09 |
| KR20060135789A (en) | 2006-12-29 |
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