WO2005106179A1 - Escalera con control de peldaños o barras movibles - Google Patents
Escalera con control de peldaños o barras movibles Download PDFInfo
- Publication number
- WO2005106179A1 WO2005106179A1 PCT/MX2005/000024 MX2005000024W WO2005106179A1 WO 2005106179 A1 WO2005106179 A1 WO 2005106179A1 MX 2005000024 W MX2005000024 W MX 2005000024W WO 2005106179 A1 WO2005106179 A1 WO 2005106179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bars
- steps
- movable
- adjustable ladder
- bar
- Prior art date
Links
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
- E06C1/04—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
- 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
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
- E06C9/14—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with non-rigid longitudinal members, e.g. rope or chain ladders, ladders of the lazy-tongs type
Definitions
- the present invention is related to the means used for ascending and / or descending people and / or loading materials.
- the present ladder with control of steps or movable bars is referred to facilitate the ascent and / or descent of the user and when transporting cargo reduce their efforts and expand the advantages in the use that a conventional ladder can provide.
- the solution consists of the present ladder with control of steps or movable bars, in addition, to implement a mechanism of control of pe I-damages or movable bars that provide security and ease when making use of it by having movable steps that are intended to protect by
- the means that make it up can be operably associated with any structure of apparatus, utensil, object, tool and / or machine, whether hydraulic, electrical and / or mechanical, or combined with each other, as exemplified by some figures, and provide different uses.
- the ladder with control of steps or movable bars is composed because it can have an adjustable clamping means consisting of "L" -shaped arms that can be coupled in pairs, four angles, an angle of each pair comprises in one of its A perforation arms, while the other angle of each pair comprises more than one perforation for the corresponding adjustment, each pair of angles cooperating in a sliding way and being hooked and fixed by a fastening means when said perforations coincide as required. From each pair of angles, one of them, the one that is outward, compares Turn on rubber bearings at the bottom of the corners to rest against the wall or wall.
- two lateral supports or rods for travel are projected, which are projected inferiorly, with a groove in their corresponding internal face through which a step or movable bar slide along its ends.
- Said travel bars internally comprise a crane-like mechanism for the ascent and / or descent of said steps or bars, consisting of the steps or bars with freedom of movement, which have a central body and lateral projections or axes and guides at its ends inserted in a guide element or longitudinal rail disposed in the internal part of the groove of said travel bars bearing an insert or graft for the control of the sliding of said movable steps or bars and said ascent and / or descent mechanism of steps and / or bars that is recommended is mainly formed by a spring, arranged in one of said lateral supports, at which end a hemispherical stop is engaged that acts on the guides of one of its protruding ends of said steps or bars; a gear installed in the same lateral support above said spring with hemispherical stop.
- a transverse bar can be coupled which cooperates by operably associating with said handles, means for releasing and / or collecting lateral support sections or travel bars which can also carry a means of release and / or collection of lateral support that is mainly formed by a lever that determines the deployment of a tape, a reel through which said tape can slide and at whose end it has a fastening means in the form of a hook that is hooked in a ring, coupled in said lower crossbar.
- Said rods for travel have reinforcements or upper and lower bars that serve as reinforcement to prevent deformation and rest against the wall or wall, in addition to a plate-shaped stoppers in the gaps of its four ends of which placed in the Bottom can be non-skidding. Its parts that make it up can be mountable and removable as long as its length is determined as required.
- Figure 1 shows a perspective view of a lateral support mechanism showing two of its lateral supports, a reinforcement mechanism for its rigidity and / or resting against the wall or wall, two crossbars that cooperate for the movement of said lateral supports , and a clamping mechanism adjustable to the area where the said ladder is to be fixed, and handles to hold the user.
- Figure 2 is a perspective view of two sections of said side supports coupled to a ladder.
- Figure 3 shows a front view of a step or bar mechanism of said ladder.
- Figure 4 is a front section of the first pair of sections of said lateral supports showing an ascending and / or descending mechanism of steps and / or bars and a step or bar mechanism of a ladder.
- Figure 5 illustrates a cross section of two sections of said lateral supports of a ladder.
- Figure 6 illustrates a ladder with control of steps or bars, movable shows a lateral support and reinforcement mechanism to rest against the wall or wall and / or its rigidity, a step or bar mechanism, a clamping mechanism adjustable to the area where the same ladder that can be detachable and assembled or omitted from it and a mechanism for ascending and / or descending steps and / or bars will be fixed.
- Figure 7 illustrates a ladder with control of steps or bars and handles shows a lateral support mechanism, a reinforcement mechanism for resting against the wall or wall and / or its rigidity, a step or bar mechanism, an adjustable clamping mechanism to the area where the same ladder is to be fixed, which can be removable and assembled or omitted from it, a mechanism for ascending and / or descending steps and / or bars and handles.
- Figure 8 illustrates a ladder with control of steps or bars and movable supports showing a lateral support mechanism, a reinforcement mechanism for resting against the wall or wall and / or its stiffness, a step or bar mechanism, a mechanism adjustable clamping to the area where the same ladder is to be fixed, which can be removable and assembled or omitted from it; and a mechanism of ascent and / or descent of steps; some cross bars.
- Figure 9 illustrates a ladder with movable steps or bars, showing a lateral support mechanism, a reinforcement mechanism for resting against the wall or wall and / or its stiffness, a step or bar mechanism, and a clamping mechanism adjustable to the area where the same ladder is to be fixed that can be detachable and assembled or omitted from it.
- Figure 10 illustrates a ladder with movable steps or bars, shows a lateral support mechanism, a reinforcement mechanism for resting against the wall or wall and / or its rigidity, a step or bar mechanism, a mechanism for adjustable fastening to the area where the same ladder is to be fixed, which can be removable and Samblable or omitted from it, and handle.
- Figure 11 illustrates a ladder with steps or bars and movable supports with handles, shows a lateral support mechanism, a reinforcement mechanism for resting against the wall or wall and / or its rigidity, a step or bar mechanism; a clamping mechanism adjustable to the area where the same ladder is to be fixed, which can be detachable and assembled or omitted from it; handle; and two crossbars.
- Figure 12 illustrates a rigid ladder showing a lateral support mechanism with a fixed step mechanism and reinforcement for resting against the wall or wall and / or its stiffness; a fastening mechanism adjustable to the area where it is to be fixed, which can be removable and assembled or omitted from it.
- FIG. 1 shows a perspective view of a lateral support mechanism showing two of its lateral supports, a reinforcement means for its stiffness and / or resting against the wall or wall, two transverse ones that cooperate for the movement. to said lateral supports and handles and an adjustable clamping mechanism to the area where the same ladder is to be fixed.
- said ladder can have a clamping mechanism adjustable to the width of the surface on which it will be adapted, whether in a wall, window, etc., formed at least one pair of arms or angles, preferably four angles in the form of "L" (No.2), attachable in pairs, which can be made of aluminum or any other material with appropriate mechanical properties, an angle of each pair has at least one perforation in one of its arms (No .14), while the other angle (No.2) of each pair comprises more than one series of perforations (No.12) for adjustment, which in the example of practical embodiment represented in the figures are three perforations (No .12) and a perforation (No.14), but whose number may also vary, the shape of its arms (No.2) can be in curved form or any other viable form and said adjustable clamping means can be operatively associated to a machine, tool, device, object or utensil is already to mechanical, hydraulic and / or electrical, without affecting the essence of the present invention, each pair of
- Each angle (No.2) facing the outside comprises supports or bearings (No.13) that can be rubber or any other material with suitable mechanical properties, located at the bottom of said angles (No.2) for rest against The wall or wall.
- Said angles (Nos. 2) are conformed with a greater width and thickness in comparison to the other elements of said ladder since in that place the majority of the effort generated during the normal use of said ladder is concentrated.
- the adjustment of said adjustable fastening means will preferably be made with a screw and a nut placed in the perforations (Nos. 12 and 14) coinciding with said angles (Nos.
- Said adjustable clamping means can be fixed by any type of suitable or removable welding and mountable to the structure in question by any suitable clamping means, preferably at least one screw with its nut, so that in the practical embodiment example represented in the figures is fixed but can be removable and assembled or not carried in the structure in question, without affecting the essence of the present invention.
- a lateral support means can be understood, or said ladder is formed by a lateral support means or travel bar that can be of aluminum or any other material with appropriate mechanical properties, which can be fixed by any suitable fastening means, which are projected inferiorly at said angles (No.2).
- Said lateral supports or rods for travel can be straight or made up of several sections, which in the example of practical embodiment represented in the figure have telescopic lateral support and eight sections that make up each of said travel bars (No.1) but whose number may vary or have a telescopic, co-linear or straight folding shape or its travel bars are part operably associated with an apparatus, machine, utensil, tool or object whether mechanical, hydraulic and / or electrical, without thereby affecting the essence of the present invention, said travel bar sections are suitably coupled to each other and arranged in parallel to form said two lateral supports (No.1); either telescopic, foldable and / or straight, they have at least one longitudinal co-linear groove arranged on at least one of their faces, preferably on their inner face, and coupled to it an insert that is presented in the form of graft (No.16) that can be rubber, plastic or any other material with appropriate mechanical properties and a guide element or rail (No, 15) that adopts variant shape and arrangement, which are
- an upper transverse bar (No.7) that can be made of aluminum or any other material with appropriate mechanical properties.
- said upper crossbar (No.7) carries a reel (No.27) through which a guide element or tape (No.8) slides, wound on said reel (No.27) whose end is fixed, by any suitable fastening means, and its other end carries a fastening means or hook which engages in said ring (No.6) disposed in said trans bar Versal (No.4) bottom arranged between said travel bars (No.1) that serves to release and / or collect their sections of said travel bars (No.1) and / or guide for sliding said belts individual (No.10).
- Said reel (No.27) has a regulation means that is presented in the form of a metal toothed band or any other material with appropriate mechanical properties, which is arranged in its internal hollow and is fixed, by any suitable means of fastening, and other in the fixing part of said reel (No.27) in said upper transverse bar (No.7) arranged in the upper part of said rods for travel (No.1) or upper part in structure that is treated to properly engage both and act in a geared manner that serve to control the untimely sliding of its sections of said rods for travel (No.1) or parts of any structure in question; said reel (No.27) and toothed bands can be omitted in a structure in question in case the supports are straight because there will be no sections of bars for travel that are released or collected, or they can be placed in pairs at their ends said upper transverse bar (No.7) or structure in question, without thereby affecting the essence of the present invention.
- Said tape (No.8) can be made of canvas or any other material with appropriate mechanical properties, which is fixed at one of its ends to said reel (No.27) by any suitable fastening means, and its deployment is controlled by a reel control mechanism disposed in said upper crossbar (No.7) that is in the form of a lever (No.9) with freedom of movement in itself to act when lifting and locking and is arranged to the side of said reel (No.27), which can be made of aluminum or any other material with appropriate mechanical properties and that is fixed by any suitable fastening means. Said lever (No.9) also determines the displacement of said reel (No.27) and serves for the deployment of said tape (No.8) when it is unlocked and lifted.
- Another function of said tape is to guide individual handles or straps (No.10), which serve as handles that can be made of canvas or any other material with appropriate mechanical properties and one of its ends has a means inserted of fastening which preferably comes in the form of a ring that can be made of aluminum or any other material with appropriate mechanical properties, and is suspended at its other end of said belts (No. 10) by a suspension element or hooks (No.11), arranged separately from each other arranged on said bar (No.7), which can be made of steel or any other material with appropriate mechanical properties and are fixed by any suitable fastening means, whose shape and arrangement can vary in structure that is treated or not, without affecting the essence of the present invention.
- Both crossbars (No.4 and 7) and said belt (No.8) can cooperate operably for said individual belts (No.10) and / or said reel (No.27) and / or lever (No. 9) and / or hooks (No.10) and / or ring (No.6) which in the example of practical embodiment represented in the figure said upper and lower crossbars (No.4 and 7) cooperate for said individual belts (No.10 ), reel (No.27), lever (No.9), hooks (No.10), hoop (No.6) but such cooperation can be provided by said reinforcement in the form of a bar or folding bars (No.3) with the square-shaped ends and said tape (No.8) can cooperate for individual belts (No.10) without being operably associated with said reel (No.27) and can go fixed and / or detachable and assembled in a structure that is treated or not carried, without affecting the essence of the present invention.
- Said individual belts (No. 10) serve as a handle for the user when using said ladder or structure in question, which are suspended by one of its ends on said hook (No.11) that are preferably proportional to the number of said individual belts (No.10) and steps or bars (No.17), so that in the example of practical embodiment shown in the figure are ten hooks (No.11), ten individual belts (No.10) and ten steps or bars (No.17), but whose number may vary or not take them without affecting the essence of the present invention.
- the function of said belt (No.8) is to guide said individual belts (No.10) at the moment when the user slides along said ladder so that it can be suppressed or replaced by a tube coupled by its ends in the upper and / or lower part of said rods for travel (No.1) or lateral supports in the structure in question and at the end bearing a hoop or loop, etc.
- These bars for route (No.1) they have at least one reinforcement to keep them rigid, while their sections of said bars for travel (No.1) of said ladder housed together also have a reinforcement or bar (No.3) in their part of armed to keep them rigid, with their square-shaped ends and when foldable they are formed by several bars and also carry a top and bottom bar with their square-shaped ends that allow folding and extending, these can be fixed by any suitable and / or mountable and removable fastening means in the structure in question and can be made of aluminum or any other material with suitable mechanical properties, and its function is to prevent deformation of each section of said travel bar (No.1) and / or rigidity and / or support against the wall of said ladder when in use or extended.
- said lever (No.9) acts by lifting off said reel (No.27) and will act when it is turned and said tape (No.8) will roll up sliding itself, simultaneously its sections of said rods for travel (No.1) are sliding up and in turn inserting each other until they occupy their initial compaction position, said tape (No, 8) when they are hooked in said ring (No.6), provided in said transverse bar (No.4), located in the lower part of said rods for travel (No.1), it will also pull said lower transverse bar (No.4), while said tape (No.8) will occupy its initial winding position on said reel (No.27), then said lever (No.9) acts by locking to keep its sections of said rods for travel (No.1) subject.
- each pair may preferably have a reinforcement or bar (No.3) with square-shaped ends, to keep them rigid when said ladder is extended and / or resting against the wall or wall and / or any structure in question and / or properly coupled several folding bars (No.3) with the square-shaped ends.
- a reinforcement or bar No.3 with square-shaped ends
- Said folding bar (No.3) with the square-shaped ends serves to give greater rigidity and can be fixed and / or removable and assembled and can be applied both types of reinforcement, as required, than in the embodiment example practical shown in the figure shows the type of a bar with the square-shaped ends and can be fixed and / or detachable and assembled and can carry any type of reinforcement or both at the same time and their number is nine but it can vary and apply to said ladder and / or structure in question or not, without affecting the essence of the present invention.
- Said bar (No.3) with the square-shaped ends can preferably be arranged at the top and / or bottom of said travel bars (No.1) for resting against the wall or wall when their bars for travel (No.1) be straight.
- FIG. 2 is a perspective view of two sections of said travel bars coupled in the same ladder.
- the dimensions of its sections of said bars for travel (No.1) are decreasing in terms of width, according to their position in said staircase, the length of each of said bars for travel (No.1) will be given by the compactness of said ladder and / or structure in question when it is passive and the total length that the ladder is required.
- Said rods for travel (No.1) that have a telescopic shape, consisting of several sections, straight or foldable type or being operably associated with any structure in question, any type has at least one longitudinal linear groove arranged in at least one of its corresponding faces of said rods for travel (No.1) where an insert or graft (No.16) that can be made of plastic or any other material with longitudinally appropriate mechanical properties for the control of said movable steps or bars (No.17); a guiding element that adopts arrangement and variant form that is presented in the form of at least one rail (No.15) that adopts variant form and arrangement, which can be fixed, by any suitable fastening means, in at least one of their faces of said bars for travel (No.1) that can be, of aluminum or any other material with appropriate mechanical properties, which serves as a guide when inserted in the and in said groove with graft (No.16) said protruding ends or shafts (No.18) and guides (No.19), of said steps or bars (No.17) which serves for
- plugs are attached that are presented in the form of a plate (No.5) and adopts variant form according to the characteristics of the ends of said rods for travel (No.1) in structure in question, which can be made of plastic and / or non-slip and can be fixed under pressure, etc. and / or mountable and removable and / or be suppressed as required or of any other material with appropriate mechanical properties or not to go when they do not allow its coupling that serve as a non-skid and to cover its gaps, without thereby affecting the essence of the present invention.
- Said longitudinal rail (No.15) adopts variant form and arrangement, since it will be determined by the shape of its bar for travel (No.1) of said ladder and / or when operably associated with the structure in question of an apparatus , machine, tool, utensil or object, whether hydraulic, electrical and / or mechanical, and serve as a guide when it is externally and / or internally in its lateral supports of the structure in question and may not have a graft groove (No.16) otherwise, said graft (No.16) can be fitted properly on the edge of said rail (No.15), or not carry said rail (No.15) in case of operably associating its steps or bars in the structure in question or not carry them, without affecting the essence of the present invention
- Said step or bar mechanism serves as a load support formed by a central body or bar that carries lateral projections that is presented in the form of a step or bar (No, .17) that carries at least one of its ends an overhanging shaft (No.18) coupled and at whose end of said shaft (No.18) a guide (No.19), said three parts, step or bar (No.17), guides (No.19) can be attached ) and shafts (No.18) can be made of aluminum, steel or any other material with appropriate mechanical properties and fixed by any suitable fastening means, where their shafts (No.18) and guides (No.19) are inserted in said groove with said graft (No.16) and said rail (No.15), arranged in said travel bars (No.1) which serves as a sliding guide for said movable steps or bars (No.17), being said axes (No.18) being in constant contact with said graft (
- Said step or bar (No, 17) can have said guides (No.19) and / or said axes (No.18) or be omitted according to the structure in question when operably associated than in the example of practical embodiment represented in the The figure has said elements but it can have said axes (No.18) and / or said guides (No.19) and / or both and / or not carry them, but in order to improve its function, an ascent and / or descent actuator can be coupled operably mechanical, hydraulic and / or electrical in said ladder and / or structure concerned apparatus, machine, tool, utensil and / or object and / or an associated part in travel, without thereby affecting the essence of the present invention .
- Said axes (No.18) and guides (No.19) take a variant form to be coupled to said rail (No.15) but may vary by changing the way in which said rail is presented (No.15) and / or travel bars (No.1), and said shafts (No.18) and guides (No.19) can have damping and / or insulating material that will be used to reduce noise and reduce heat when operating said ladder and / or structure in question, without affecting the essence of the present invention.
- FIG. 4 is a front section of the first pair of sections of said lateral supports showing a mechanism for ascending and / or descending steps and / or bars and a step or bar mechanism of the same ladder.
- the mechanism of ascent and / or descent of steps and / or bars is formed by an elastic element that is presented in the form of a spring at the end of which it has a hemispherical stop (No.22), it has at least one support of load or gear (Nos. 20 and 21), preferably three, a rung control or articulated bar or bar (No.24) and has at least one protruding section (No.23).
- Said means of ascent and / or descent of steps and / or bars comprises internal and / or external a crane mechanism consisting of said steps or bars (No.17) with freedom of movement on a single axis with a maximum travel of the size of said bars for travel (No.1) and / or of any structure in question, said steps or bars (No.17) when being formed by said outstanding axis (No.18) and said guides (No.19) ( see figure 3) at its ends, which are inserted in said rails (No.15) which serve as a guide for the route on said bars for travel (No.1), said guides (No.19) when inserted into said slot with graft (No.16) (see figure 2), arranged on its corresponding face of said rods for travel (No.1), for the ascent and / or descent of said steps or bars (No.17) when being in with - constant touch and act by friction on said graft (No.16) for the control of ascent and / or descent of said steps or bars (
- 20 and 21) with or without spring (No.22) may vary or have another load bearing means for its ascent and / or descent or operably associate a mechanical, hydraulic and mechanical mechanism. / or electrical to make the function efficient and apply or not to the structure in question, without affecting to the essence of the present invention; when said second step or bar descends (No.17) simultaneously the rest of said group of steps or bars (No.17) will slide down together, the next one will take its place.
- Said shafts (No.18) and guides (No.19) of said group of steps or bars (No.17) are inserted into said groove with said graft (No.16) and said rail (No.15), arranged in their corresponding face of said bars for travel (No.1) to place them in their initial position at the top of said travel bars (No.1) and said steps or bars (No.17) be suspended in the part upper and / or lower due to the smaller dimension of its lateral supports (No.1) in the part upper and / or lower of said ladder and / or structure that is treated or not carried, without affecting the essence of the present invention.
- said articulated bar (No.24) can be made of aluminum, steel or any other material with properties appropriate mechanics and is fixed, by any suitable fastening means, which has at least one protruding section (No.23) or is sure to be made of aluminum, steel or any other material with appropriate mechanical properties, and which fixed, by any suitable fastening means, at an equivalent height with said gears (Nos.
- Said articulated bar (No.24) has two operating times, one to climb said protruding sections (No.23), only what is necessary to release said steps or bars (No.17), and the other to climb- the higher of their teeth of said two gears (Nos. 21) to release the use of said steps or bars (No.17) and place them in their initial position.
- each section of said rods for travel can be made of aluminum or any other material with appropriate mechanical properties, it is armed with rings that can be made of aluminum, steel or any other material with suitable mechanical properties, which are fixed, by any suitable means of attachment, an internal one (No.26) in its lower part and an external one (No.25) in its upper part, for its assembly, with the exception of the first pair of its sections of said rods for travel (No.1), which do not have an outer ring (No.25) since they are coupled to said angles (No.2).
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Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA04004218 MXPA04004218A (es) | 2004-05-03 | 2004-05-03 | Escalera con control de peldanos o barras movibles. |
MXPA/A/2004/004218 | 2004-05-03 |
Publications (1)
Publication Number | Publication Date |
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WO2005106179A1 true WO2005106179A1 (es) | 2005-11-10 |
Family
ID=35241729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/MX2005/000024 WO2005106179A1 (es) | 2004-05-03 | 2005-04-14 | Escalera con control de peldaños o barras movibles |
Country Status (2)
Country | Link |
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MX (1) | MXPA04004218A (es) |
WO (1) | WO2005106179A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009093886A1 (es) * | 2008-01-23 | 2009-07-30 | Marisela Rojas Arriaga | Escalera sujetable con peldaño deslizable |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US517318A (en) * | 1894-03-27 | Fire-escape or lifter | ||
GB191103945A (en) * | 1911-02-16 | 1911-06-15 | Georg Huesing | Safety-railing for Windows adapted to be used as Fire-escape. |
GB314817A (en) * | 1928-07-02 | 1930-05-29 | Peter Simonsgaard | Locking device for lifting trucks |
US2894670A (en) * | 1958-05-13 | 1959-07-14 | Kermit F Anderson | Self-leveling ladder attachment |
US2993561A (en) * | 1959-08-13 | 1961-07-25 | Cyril J Watson | Collapsible ladder |
GB1105104A (en) * | 1965-06-16 | 1968-03-06 | Giovanni Bolognini | Ladder without rungs, suitable for gymnastic exercises |
US3386531A (en) * | 1965-10-11 | 1968-06-04 | Werner J. Sallein | Retractable ladder |
US3885647A (en) * | 1973-07-05 | 1975-05-27 | Anthony L Acosta | Climbing safety device |
US3894614A (en) * | 1972-12-05 | 1975-07-15 | Hiromitsu Naka | Extensible passage apparatus |
US3992832A (en) * | 1976-05-13 | 1976-11-23 | Thomas Norvin Ferwerda | Stairway safety suspension support means |
US3997027A (en) * | 1974-11-04 | 1976-12-14 | Patterson Allen S | Ladder |
US4119177A (en) * | 1977-11-10 | 1978-10-10 | Bengt Heimer Andersson | Collapsible ladder |
US4231448A (en) * | 1979-08-06 | 1980-11-04 | Jensen Svend O | Demountable boat ladder |
US4467889A (en) * | 1981-10-09 | 1984-08-28 | Gerd Maubach | Ladder-guided service elevator |
US5072807A (en) * | 1989-06-20 | 1991-12-17 | Petroleo Brasileiro S.A.-Petrobras | Moving staircase escape-way from offshore platforms |
US5180032A (en) * | 1992-03-09 | 1993-01-19 | Hidalgo Martiniano A | Ladder stabilizer apparatus |
ES1030948U (es) * | 1995-04-28 | 1995-11-01 | M A Angel Blanco S A | Dispositivo portatil para emergencias. |
ES2120606T3 (es) * | 1993-02-05 | 1998-11-01 | Scootabout Int Ltd | Aparato para escalar. |
US5927434A (en) * | 1998-12-15 | 1999-07-27 | Wu; Sheng-Fu | Extensible ladder |
-
2004
- 2004-05-03 MX MXPA04004218 patent/MXPA04004218A/es unknown
-
2005
- 2005-04-14 WO PCT/MX2005/000024 patent/WO2005106179A1/es active Application Filing
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US517318A (en) * | 1894-03-27 | Fire-escape or lifter | ||
GB191103945A (en) * | 1911-02-16 | 1911-06-15 | Georg Huesing | Safety-railing for Windows adapted to be used as Fire-escape. |
GB314817A (en) * | 1928-07-02 | 1930-05-29 | Peter Simonsgaard | Locking device for lifting trucks |
US2894670A (en) * | 1958-05-13 | 1959-07-14 | Kermit F Anderson | Self-leveling ladder attachment |
US2993561A (en) * | 1959-08-13 | 1961-07-25 | Cyril J Watson | Collapsible ladder |
GB1105104A (en) * | 1965-06-16 | 1968-03-06 | Giovanni Bolognini | Ladder without rungs, suitable for gymnastic exercises |
US3386531A (en) * | 1965-10-11 | 1968-06-04 | Werner J. Sallein | Retractable ladder |
US3894614A (en) * | 1972-12-05 | 1975-07-15 | Hiromitsu Naka | Extensible passage apparatus |
US3885647A (en) * | 1973-07-05 | 1975-05-27 | Anthony L Acosta | Climbing safety device |
US3997027A (en) * | 1974-11-04 | 1976-12-14 | Patterson Allen S | Ladder |
US3992832A (en) * | 1976-05-13 | 1976-11-23 | Thomas Norvin Ferwerda | Stairway safety suspension support means |
US4119177A (en) * | 1977-11-10 | 1978-10-10 | Bengt Heimer Andersson | Collapsible ladder |
US4231448A (en) * | 1979-08-06 | 1980-11-04 | Jensen Svend O | Demountable boat ladder |
US4467889A (en) * | 1981-10-09 | 1984-08-28 | Gerd Maubach | Ladder-guided service elevator |
US5072807A (en) * | 1989-06-20 | 1991-12-17 | Petroleo Brasileiro S.A.-Petrobras | Moving staircase escape-way from offshore platforms |
US5180032A (en) * | 1992-03-09 | 1993-01-19 | Hidalgo Martiniano A | Ladder stabilizer apparatus |
ES2120606T3 (es) * | 1993-02-05 | 1998-11-01 | Scootabout Int Ltd | Aparato para escalar. |
ES1030948U (es) * | 1995-04-28 | 1995-11-01 | M A Angel Blanco S A | Dispositivo portatil para emergencias. |
US5927434A (en) * | 1998-12-15 | 1999-07-27 | Wu; Sheng-Fu | Extensible ladder |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009093886A1 (es) * | 2008-01-23 | 2009-07-30 | Marisela Rojas Arriaga | Escalera sujetable con peldaño deslizable |
Also Published As
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MXPA04004218A (es) | 2005-11-08 |
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