WO2005106182A1

WO2005106182A1 - Novel ladder comprising sliding steps for the emergency evacuation of buildings

Info

Publication number: WO2005106182A1
Application number: PCT/MX2005/000030
Authority: WO
Inventors: Marisela Rojas Arriaga
Original assignee: Marisela Rojas Arriaga
Priority date: 2004-05-03
Filing date: 2005-04-25
Publication date: 2005-11-10
Also published as: MXPA04004216A

Abstract

The invention relates to means which are used to evacuate dwellings, residential buildings, etc. and means for raising and/or lowering a load. More specifically, the invention relates to a ladder comprising sliding steps or bars, which is intended for the emergency evacuation of buildings. The inventive ladder is characterised in that it comprises an upper mechanism for adjustably fixing the device at the corresponding area, said mechanism having two lateral telescopic supports projecting from the lower face thereof. According to the invention, the aforementioned lateral telescopic supports consist of a series of vertical telescopic sections comprising: a central collinear groove on the inner face thereof corresponding to a rubber insert which is used to control the sliding of the steps or bars, and a guide rail comprising a central ring which is disposed between the final lower telescopic sections of the telescopic supports. Moreover, the upper end of the telescopic supports is equipped with a transverse bar comprising a central reel for a band, the end of said band being connected to the ring of the lower bar for the raising and lowering of the telescopic sections. Furthermore, the lateral telescopic supports are equipped internally with a crane-type mechanism for raising and lowering the steps or bars with a freedom of movement.

Description

NEW STAIRCASE WITH SLIDING FLOORS FOR EVACUATION OF BUILDINGS IN CASE OF EMERGENCY

FIELD OF THE INVENTION

The present invention is related to the means used for evacuation of residential houses, residential, departmental buildings, etc., as well as for the ascent and / or descent of people and / or load of materials. The present new staircase with sliding steps for evacuation of buildings in case of emergency to facilitate the ascent and / or descent of people and / or cargo, extending the advantages in use it provides, is referred to.

BACKGROUND OF THE INVENTION

At present, conventional emergency stairs that we could call fixed or recessed stairs to the wall, precisely require for their correct operation and safety be permanently fixed on the exterior wall of the property.

As can be seen, the limitations and disadvantages of conventional emergency stairs is the high maintenance cost that they require by virtue of being outdoors. Likewise, the conventional emergency staircase, being permanently fixed to the property, limits the scope to the place of emergency and significantly reduces the evacuation routes of the property, in addition, the possibility of acting in ascent and / or descent of cargo from Important materials after the emergency. OBJECTIVES OF THE INVENTION

The present invention has as its main objective to make the present new ladder available for evacuation of buildings in case of emergency, reduce risks, reduce emergency response times in real estate, as well as to be able to rescue material load after of the emergency

Another objective of the present invention is to provide the present ladder, which also facilitates the exit of people in such a case, with greater efficiency and speed, by creating greater evacuation routes, and in turn allowing its structure and / or its means to present Other alternatives that allow reducing the user's efforts by ascending and / or descending and / or loading of materials by safely and efficiently implementing its elements, which are intended to be protected by means of this application.

Other objectives and advantages of the present invention may be apparent from the study of the following description and the accompanying drawings, as an integral part thereof, illustrative and non-limiting drawings in addition to helping a better understanding thereof. .

BRIEF DESCRIPTION OF THE INVENTION

In general, the staircase for evacuation of buildings in cases of emergency in accordance with the present invention is composed of an adjustable clamping mechanism consisting of four "L" angles that can be coupled in pairs, an angle of each pair comprising in one of its arms a perforation, while the other angle of each pair comprises more than one perforation for the corresponding adjustment, each pair of angles cooperating in a sliding manner and being hooked and fixed by a fastening means when said said perforations as required. From each pair of angles, one of them (the one facing outwards) comprises rubber bearings in the lower part of the angles for resting against the wall or wall.

This clamping mechanism meant an important advance in the technical aspect of the stairs, but its application for other types of devices is also possible. This mechanism, despite its simplicity, means an elegant and easy way to detach the ladder to the top of a window frame, balcony or any other place available for the eviction of people in danger.

In said angles comprising rubber bearings, two telescopic lateral supports that are projected inferiorly are fixedly joined, formed by a series of vertical telescopic sections with a central groove in their corresponding internal face through which a bar arranged between the last sections slides. lower telescopic of said telescopic supports, as well as the ends of the steps.

At the upper end of said telescopic supports there is a transverse bar with a central reel through which a belt slides whose end is engaged in said bar arranged between said lower telescopic sections, for the ascent and descent of the steps and telescopic sections. Said telescopic lateral supports internally comprise a crane type mechanism for the ascent and / or descent of the steps, consisting of the steps themselves with freedom of vertical movement, which have an axis and guides at their ends Inserted in the rails arranged in the rails internal part of the vertical groove of said telescopic sections of the telescopic side supports, which carries a rubber insert for the control of the sliding of the step, a horizontal spring housed in one of said telescopic side supports, at whose end a hemispherical stop is fixed acting on the guides at one end of the steps; a gear installed in the same support above said horizontal spring. While in the other telescopic lateral support they are understood internally; two gears one upper and one lower placed at equivalent heights with the horizontal spring and gear of the opposite telescopic side support, the group of steps being supported by the top gears of each telescopic side support through the lateral guides of said corresponding steps; an articulated bar housed in the same telescopic side support that supports the pair of vertically aligned gears, which has brake shoes projected inclined to accommodate the teeth of said gears acting as safe for the controlled descent of the steps.

The crane type mechanism is another of the devices that were incorporated into the ladder for proper operation, but it also has the possibility of being used in other devices, such as forklifts, devices for lowering materials, etc. This mechanism has enough merits so that by its very presence important technological advances are achieved in the devices where it is applied, improving the performance of said device.

Said telescopic sections of said telescopic side supports comprise internal and external rings for coupling with other elements of the structure.

BRIEF DESCRIPTION OF THE FIGURES

Figure 1 shows a perspective view of a lateral support mechanism, a reinforcement mechanism for its stiffness and / or resting against the wall or wall, two transverse bars that cooperate for the movement of said lateral supports, a mechanism of step or bar and handles to hold the user, and I could bring an adjustable clamping mechanism to the area where the referred ladder is fixed.

Figure 2 is a perspective view of two sections of said coupled side supports of the same 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 the same height.

Figure 5 illustrates a cross-section of two sections of said lateral supports of the same ladder. For a better understanding of the invention, a detailed description of some of the modalities thereof will be made, shown in the drawings which, for illustrative but non-limiting purposes, are attached to this description.

DETAILED DESCRIPTION OF THE INVENTION

The characteristic details of this new staircase with sliding steps for evacuation of buildings in case of emergency, are described in the following description and to complete the description that is being made and in order to help a better understanding of the invention, it is accompanied by The present description, as an integral part thereof, the drawings in which the following are also represented in an illustrative and non-limiting manner, serving the same reference signs indicated in said drawings to indicate the same parts to which reference is made in the present description.

Referring to Figure 1 showing a perspective view of a lateral support mechanism, 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, a step or bar mechanism and handles and can carry an adjustable clamping mechanism to the area where the same ladder is to be fixed. In relation to the aforementioned figure, 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 by 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 another material with appropriate mechanical properties, one 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 one 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 fastening means can be operably associated with a machine, tool, apparatus, object or utensil whether mechanical, hydraulic and / or electrical, without affecting the essence of the present invention, each pair of said angles (No.2) cooperating in sliding form in their corresponding perforated arms and being fixed by a suitable fastening means, when said perforations coincide (Nos. 14 and 12), as required . Each angle (No.2) facing the outside includes supports or bearings (No.13) that can be made of rubber or any other material with appropriate mechanical properties, located in the lower part 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. 2) which in the example of practical embodiment is a screw and a nut but it can be any other suitable fastening means such as a hook-shaped eyebrow instead of perforations in both arms so that they are hooked and present said bearing (No.13) in any way, without thereby affecting the essence of the present in- vención 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. In said angles (No.2) comprising supports or bearings (No.13), a lateral support means, which can be made of aluminum or any other material with appropriate mechanical properties, which can be fixed by any fastening means are included. suitable, which are projected inferiorly at these angles (No.2). Said lateral supports or rods for travel (No.1) can be straight or made up of several sections, which in the example of practical embodiment shown in the figure have telescopic lateral support and there are eight sections that make up each of said bars for travel (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 affecting the essence of the present invention, said sections of travel bar 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 carry 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 as a graft ( No.16) which can be rubber, plastic or any other material with appropriate mechanical properties and a guide element or rail (No.15) that takes shape and arrangement variant location, which are arranged in at least one of their corresponding faces of said travel bars (No.1), which can be made of aluminum, steel or any other material with suitable mechanical properties, and a crossbar (No.4) lower arranged at the bottom of said rods for travel (No.1), which may comprise a clamping means or ring (No.6), which can be made of aluminum or any other material with appropriate mechanical properties and is fixed by any suitable fastening means. At the upper end of said rods for travel (No.1) there is an upper transverse bar (No.7) that can be made of aluminum or any other material with appropriate mechanical properties. In 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 lower cross bar (No.4) arranged between said rods for travel (No.1) which serves for the release and / or collection of its sections of said rods for travel (No.1) and / or guide for the sliding of said individual belts (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 transverse bar (No.7) superior r arranged in the upper part of said rods for travel (No.1) or upper part in structure that is treated for properly engage both and act in a geared manner that serve to control the untimely sliding of its sections of said bars for ra tour (No.1) or pieces of any structure in question; said reel (No.27) and toothed belts can be omitted in the structure in question in case the supports are straight because there will be no sections of bars for travel that are released or picked up, or they can be placed in pairs to their ends of said upper crossbar (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 transverse bar (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 on one side of said Reel (No.27), which can be made of aluminum or any other material with appropriate mechanical properties and is fixed by any suitable means of attachment. 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 belt (No.8) 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 an insert a fastening means that is preferably in the form of a ring that can be of aluminum or any other material with appropriate mechanical properties, and are 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 go f¡- jos by any suitable fastening means, whose shape and arrangement may vary in structure in question 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 or folding bar and / or bars (No.3) with the square-shaped ends and said tape (No.8) can cooperate for the individual belts (No.10) without being operably associated with said reel (No.27) and can be fixed and / or detachable and assembled in structure that is try or not to wear them, 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 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 carry 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 part upper and / or lower 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. of the same of said individual belts (No.10) which is coupled itself and in turn in said tape (No.8), and its other end are suspended in said hooks (No.11), when the user take one of said individual belts (No. 10) eTextremo that carries a ring is sliding along said belt (No.8) simultaneously with said movable step or bar (No.17) that in the example of practical embodiment represented in the figure is a tape (No.8) but it can be a tube that performs the same function or be suppressed if its use does not require handles or applied to the structure in question, without affecting the essence of the present invention.

Said rods for travel (No.1) have at least one reinforcement to keep them rigid, while their sections of said rods for travel (No.1) of said ladder housed together also have a reinforcement or bar ( No.3) in its part of armed to keep them rigid, with their square-shaped ends, when they are foldable they are formed by several bars and also carry an upper and lower bar with their square-shaped ends that allow folding and extending that they can be made of aluminum or any other material with suitable mechanical properties, and their function is to prevent the deformation of each section of said bar for travel (No.1) and / or rigidity and / or support against the wall of said ladder to the Be in use or extended. Its number is determined by the number of pairs of its sections of said rods for travel (No.1) and the length of said ladder, while its total length of any type is determined as required. When it is required to release its sections of said rods for travel (No.1) said lever (No.9) will be lifted and said tape (No.8) is deployed together with said crossbar (No.4), arranged in the part lower of said rods for travel (No.1), with their sections of said rods for travel (No.1) which will slide downwards with each other, being the lower ends of the latter which will make contact with a settlement zone , the end of said tape (No.8) will be caught in said ring (No.6), arranged in said bar (No, 4), arranged in the lower part of said rods for travel (No.1), and when said tape is deployed (No.8) it will slide along said reel (No.27) downwards and in turn it will slide slidably to its sections of said travel bars (No.1), and said lever ( No.9) when locked on said reel (No.27) to hold said tape tight (No.8). Once said ladder is extended, its compaction will be carried out with the operation of said lever (No.9), it will act 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 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.

Its sections of said rods for travel (No.1) coupled to each other suitably, and arranged in parallel, each pair can have a reinforcement or bar (No.3) with the square-shaped ends, to keep them rigid when said ladder is extended and / or rest against the wall or wall and / or any structure concerned and / or 5 suitably engage several folding bars (No.3) with the 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. both can be assembled and be able to apply both types of reinforcement, as required, which in the example of practical embodiment represent it 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 travel bars ( No.1) Be straight.

20 With reference to Figure 2 is a perspective view of two sections of said travel bars coupled in the same ladder. In this figure, the dimensions of its sections of said travel bars (No.1) are decreasing in terms of width, according to their position in said staircase, the length of each of said travel bars

25. (No.1) it will be given by the compactness that said ladder and / or structure is wanted when it is passive and the total length that said ladder is required. Said rods for travel (No.1) that have a telescopic shape, consisting of several sections, straight or folding or being operably associated part of any structure in question, any type has at least one co-linear longitudinal groove arranged on at least one of its corresponding faces of said travel bars (No.1) where it is coupled - when an insert or graft (No.16) 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 guide 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 its faces of said rods for travel (No.1) which can be, of aluminum or any other material with appropriate mechanical properties, which serves as a guide when inserted into and in said graft groove (No.16) said ends overhangs or shafts (No.18) and guides (No.19), of said steps or bars (No.17) that is used for the control of ascent and / or descent thereof, than in the example of practical embodiment represented in The figure is a graft groove (No.16) and a rail (No.15) arranged internally on only one of its faces of said rods for travel (No.1) but whose number can vary from graft grooves (No. 16) or not to have a groove and / or said graft (No.16) go on the edge of a rail and / or on said rods to travel do (No.1) that are used for the route in any structure that is concerned or not go properly coupled the steps or bars (No.17), and rail number (No.15) vary and be arranged in at least one of its internal and / or external faces of said bars for travel or omitted in structure that is to be coupled to said steps or bars (No.17) operably and / or said rail (No.15) take the variant form and arrangement to the be operably associated with other types of structures in question apparatus, tools, utensils, objects and / or machines whether hydraulic, mechanical and / or electrical or not carrying them, without thereby affecting the essence of the present invention. In the upper and / or lower part of said rods for travel (No.1) in the structure in question, in their corresponding face they can have a smaller dimension in terms of width and said graft (No. 16) thinner in terms of its constant longitudinal thickness, from its upper and / or lower part to below the positioning position of said rungs or bars (No.17) and recover its dimension in its immediate remaining part which serves to make said rungs in that part or Bars (No.17) are inserted and ascending and / or descending without friction or not carrying it in the structure in question, without affecting the essence of the present invention.

In the recesses of its upper and / or lower ends of said bars for travel (No.1) of said ladder and / or structure in question, said plugs which are presented in the form of a plate (No.5) are coupled. 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 rail (No.15 ) Longitudinal 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 to be hydraulic, electrical and / or mechanical and to guide when meeting externally and / or internally on its lateral supports of the structure in question and may not have a graft groove (No.16) but said graft (No.16) can be fitted properly at the edge of said rail (No.15) , or not carrying said rail (No.15) in case of operably associating its steps or bars in the structure in question or not carrying them, without thereby affecting the essence of the present invention

With reference to Figure 3 showing a front view of a step or bar mechanism of the same ladder. Said step or bar mechanism serves as a load support formed by a central body or bar that can carry lateral projections that is presented in the form of a step or bar (No.17) that carries at least one of its ends coupled a axis (No.18) protruding and at whose end of said axis (No.18) a guide (No.19), said three parts, step or bar (No.17), guides (No.19) and shafts (No.18) can be made of aluminum, steel or any other material with appropriate mechanical properties and fixed by any suitable means of attachment, where their shafts (No.18) and guides (No.19) are inserted into said groove with said graft (No.16) and said rail (No.15), arranged on said rods for travel (No.1) that serves as a sliding guide for said steps or bars (No.17), said axes being (No. 18) being in constant and continuous contact with said graft (No16) they are frictioned and act to control ascent and / or descent.

Said step or bar (No.17) can carry said guides (No.19) and / or said axes (No.18) or be omitted according to the structure in question when operably associated which in the example of practical embodiment represented in the figure carries said elements but can carry said axes (No.18) and / or said guides (No.19) and / or both and / or not to carry them but to make their function efficient, an operably mechanical, hydraulic and / or electric motion actuator can be coupled to the 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 fit said rail (No.15) but it can vary according to said rail (No.15) and / or travel bars (No.1) , and said shafts (No.18) and guides (No.19) can carry damping and / or insulating material that will serve to reduce noise and reduce heat when acting said ladder and / or structure in question, without therefore it affects the essence of the present invention.

Referring to Figure 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. In said figure 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 loading or engaging (Nos. 20 and 21), preferably three, a rung control or articulated bar or bar (No.24) carries at least one protruding section (No.23).

Said mechanism of ascent and / or descent of steps and / or bars comprises inside and / or outside a crane type mechanism consisting of said steps or bars (No.17) with freedom of movement in a single axis with a maximum travel of the size of said travel bars (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) to its ends, which are inserted in said rails (No.15) which serve as a guide for travel on said rods for travel (No.1), said guides (No.19) when inserted into said groove with graft (No.16 ) (see figure 2), arranged on its corresponding face of said bars for travel (No.1), for the ascent and / or descent of said steps or bars (No.17) when being in constant contact and acting by friction on said graft (No.16) for the control of ascent and / or descent of said steps or bars (No.17); Such elements may be made of steel or any other material with appropriate mechanical properties, which are fixed, by any appropriate means of attachment with the appropriate fit and strength. One of said gears (No.21) that is at the same level of the reference spring (No.22) to support the first step or bar (No.17) in which the user and / or load of material will be positioned. Two of said gears (Nos. 21) that are at the same reference level to support the second step or bar (No.17) support, if applicable, the rest of said group of steps or bars (No.17 ) in the upper and / or lower part of said ladder and / or structure in question, which in the example of practical embodiment represented in the figures are ten steps or bars (No, 17), but at least one step or bar (No.17) and whose number may vary and the arrangement of its parts of said ascending and / or descending mechanism of rungs and / or bars can be in the upper and / or lower part of the structure in question and The number of pairs of said gears (Nos. 20 and 21) with or without spring (No.22) may vary or have another load bearing mechanism for its ascent and / or descent or an operationally associated with a mechanical, hydraulic and / or electric canism to make the function efficient and apply or not to the structure in question, without affecting the essence of the present invention; when said second step or bar (No.17) descends 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 travel bars (No.1) to place them in their initial position in the upper part of said travel bars (No.1) and said steps or bars (No.17) be suspended in the upper part and / or lower by the smaller dimension of its lateral supports (No.1) in the upper and / or lower part of said ladder and / or structure that is treated or not carried, without thereby affecting the essence of the present invention . Its control of said steps or bars (No.17) which is presented at least one articulated bar (No.24), are housed in said bar for travel (No, 1), go internally and / or externally, which it also supports said pair of gears (No.21) aligned and separated from each other at the end of which it has a clamping means or ring, said articulated bar (No.24) can be made of aluminum, steel or any other material with suitable mechanical properties and it is fixed, by any suitable fastening means, which has at least one protruding section (No.23) or sure that it can be made of aluminum, steel or any other material with appropriate mechanical properties, and which is fixed, by any suitable fastening means, at equivalent height with said gears (Nos. 21), in which example of practical embodiment represented in the figure are two protruding sections (No.23) housed in a single gap between their teeth of said gears (No .21), separated from each other in one of chas rods for travel (No.1), but they can be several and be grooved and lodge in more than one gap between their teeth of said two corresponding gears (Nos. 21) or not carry them without thereby affecting the essence of the present invention, arranged to lodge in the gaps between its teeth of said gears (No.21) acting as safe for the controlled ascent and / or descent of said steps or bars (No.17) where it may not appear or present variant according to the structure in question.

Said articulated bar (No, 24) has two operating times, one to raise said protruding sections (No.23), only what is necessary to release said steps or bars (No.17), and the other to raise them above 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.

Referring to Figure 5 which shows a cross section of two sections of said lateral supports of the same ladder. In said figure, each section of said rods for travel (No.1) 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, except for 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). The last couple of its sections of said rods for travel (No.1) in its In the lower part, they do not have an internal ring (No.26), since they do not fit into another section of the travel bar (No.1), in addition, appropriate fastening means, said rings (Nos. 25 and 26) can carry material of damping to reduce noise when unfolding or compacting its sections of said rods for travel (No.1) and have a groove that is determined by the shape of its rods for travel (No.1) and / or not carrying them for carrying other armed, without affecting the essence of the present invention.

To understand the operation of said new staircase with sliding steps for evacuation of buildings in case of emergency (see figure 1) first it is necessary to extend the said ladder, a user will position their feet on one of said steps or bars (No.17) and / or a load of material will be deposited and will ascend and / or descend.

The invention has been described sufficiently so that a person with average knowledge in the field can reproduce and obtain the results mentioned in the present invention but has the inventive activity for being outside the state of the art and being of industrial application. However, any skilled person in the field of the art that is in charge of the present invention may be able to make modifications not described in the present application, however, if for the application of these modifications in a given structure or in the manufacturing process thereof, the subject matter claimed in the following claims is required, said structures shall be included within the scope of the present invention.

Claims

CLAIMS Having described my invention sufficiently, my content is claimed as contained in the following claim clauses:

1.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized by said lateral supports that have a structure formed by several telescopic segments with a co-linear central groove on its corresponding internal face with an insert also longitudinal rubber, and a longitudinal guide rail in each lateral support; a lower bar with a central ring disposed at the lower end of the last lower telescopic section of said telescopic side supports; a series of steps or bars with a central body and at its ends has protruding shafts at the end of which there is a guide which are housed in the central groove and in constant contact with the rubber insert; in an inactive position, the rungs are accumulated at the upper end of the structure, and in the service position the rungs or bars are placed down until they occupy the place where the user will position their feet, also comprising at the end The upper part of said telescopic supports is a crossbar with a central reel through which a belt slides whose end is engaged in the ring of said lower bar for the dragging of the steps, together with its lateral support sections upwards after having been used in addition to some plugs is its ends.

2.- New ladder with sliding steps for building evacuation cios in case of emergency characterized according to claim 1, wherein said lateral supports or rods for travel have a shape and variant type at least one rectangular structural or any other viable as square structural, etc, as long as they serve for travel, type straight or any other viable as folding, telescopic, etc. coupled to the bottom of two of said angles comprising bearings, face the outside; Its resistance is determined according to the structure load and can be made of aluminum or any other viable material such as metal, etc., and its size will depend on what is desired.

3. -New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 1 and 2, which includes said steps or bars or bar where at least one central body or bar with lateral projections or projecting axes and / or guides or any other viable as without projections, etc. which serve to be inserted in its groove of said lateral supports or bars for sliding travel which can carry damping and insulating material where its resistance will depend on its load that supports that it can be made of aluminum or any other viable material such as plastic, etc. for the use of personnel and / or cargo material and its size is determined as desired.

4.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 1, 2 and 3 where said reinforcement or bar includes a variant shape and arrangement of at least one bar with the ends in shape of square and / or folding bars with sidebar with the ends in square shape or any other viable as curved bar with square-shaped ends, etc., to give rigidity and / or support against the wall or wall whose arrangement in said lateral supports or bars for travel can be indistinct, as long as its reinforcement The upper part can cooperate for the arrangement of at least one suspension element or hooks, at least one guide or tape element, a reel or lever control and / or a reel, its resistance is determined according to its load bearing and can be of aluminum or any other viable material such as metal, etc., and its dimension will depend on what is desired while its lower reinforcement can cooperate for a clamping means or ring.

5. New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 1, 2, 3 and 4 where optionally comprises at least one crossbar in case of having lateral support sections or bar sections for travel, two bars, an upper one arranged in the upper part of said travel bars and the lower one arranged in the lower part of said travel bars that have a circular or any other variant shape, square, etc., which may be made of aluminum or any other viable material such as metal, etc., which cooperates for the provision of at least one suspension element or hooks, at least one guide or tape element, a reel or lever control and / or a reel for release and / or collection of its bar sections for travel to the ascent and / or descent of its movable steps or bars and / or to arrange said parts in any other viable co mo reinforcement, etc., its resistance is determined by its load and its dimension as desired.

6. New ladder with sliding steps for evacuation of buildings in case of an emergency characterized according to claims 1, 2, 3, 4, and 5 where at least one plate is included and its shape has variants according to the characteristics of the gaps of its ends of its lateral supports or bars for travel where they are inserted and can have the lower plugs non-skid material and be made of plastic or any other material with appropriate mechanical characteristics.

7. New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 1, 2, 3, 4, 5 and 6 where optionally includes said elastic element or at least one spring with horizontal hemispherical stop having variant form housed in one of said lateral supports or bars for travel and at least one load or gear support arranged at an equivalent height in said bar for opposite travel acting extending and compressed when the friction in the guides of its ends is overcome of its movable steps or bars for its ascent and / or descent or by any other viable as pulley system, piston, etc., its resistance is determined by its load and can be made of steel or any other viable material such as metal, etc.

8.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 1, 2, 3, 4, 5, 6 and / or 7 where optionally includes said arms or angles that have shape and resistance variant such as at least a couple of angles or any other viable as a curve, etc. as long as your arms allow you to adjust to the area where you are going to fix, your strength is determined by its load, its total length, its material can be aluminum or any other viable as metal, etc; Its dimension is determined by what is desired and the area where it is to be fixed.

9. New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and 1 where at least one groove is presented in at least one of its faces so that its lateral projections or axes are inserted and / or guides of at least one step or movable bar and its arrangement is variant to the center and / or side.

10. New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and / or 9 where said slot optionally does not occur when said step or bar acts by other viable motion actuators such as piston, etc.

11.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized in accordance with Clauses 2 and 9 to 10 where said insert is presented in a variant form and arrangement of at least one graft of rubber with insulating material or any other viable as protrusion with insulating material, etc., disposed in said grooves and / or in any viable part on their faces of said travel bars that serves for sliding control of their movable steps or bars.

12.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to the claims nes 2 and 11 and from 9 to 10 where said graft has its variant fixed clamping means by rivets or any other clamping means such as by any type of viable welding such as copper, bonding, etc., by any of at least one of its longitudinal support points with said bars for structure travel in question.

13, - New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and 11 and / or from 9 to 12 where said graft has its optionally mountable and detachable clamping means as at least a screw with nut or any other viable as a clamp, adherent, etc., by any of at least one of its longitudinal support points with said bars for structure travel that is treated to be collapsible.

14.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and / or from 9 to 13 where said graft optionally cannot be presented when said travel bars have an eyebrow or bars laterals to guide the step or movable bar and can have insulating and friction material or any other viable insert.

15.- New staircase with sliding steps for evacuation of buildings in an emergency situation characterized according to claims 2 and 9 to 11 where said guide element is presented in the form and variant arrangement of at least one structural rail or any other viable such as longitudinal eyebrows, etc, which is inserted in its groove arranged on the inside of its travel bar that serves as a guide in sliding to said step or bar, its resistance is determined by its load, which can be of aluminum or any other resistant material such as metal, etc. whose arrangement is internal and / or external on at least one of its faces of said bars for travel 5 and its dimension will be determined by the length of its travel bars.

16.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and 15 and 9 to 14 where said rail has its variant fixed clamping means according to claim 12 with said rods for travel.

17.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and 15 and / or from 9 to 14 where said rail has its optionally mountable and detachable mounting means according to claim 13 with said rods for travel.

18. 18. New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and / or 9 to 17 where said rail optionally cannot be presented when its step or movable bar acts by any other viable system like piston, etc.

, 25 19.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 ^r and 9 to 18 where said travel bars have their upper and / or lower part, preferably in its inner face, a smaller dimension in terms of its width and / or diameter and said thinner insert or graft in terms of its constant longitudinal thickness, from its upper and / or lower part to below and / or above the positioning position of said rungs or bars and recover their dimension in its immediate remaining part which serves in that part said movable rungs or bars are inserted and ascended and / or descended without friction.

20.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and / or from 9 to 19 where said smaller dimension in diameter and thickness cannot be presented when its step or movable bar act by any other viable system such as piston, etc.

21.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and / or from 9 to 20 where said bars for travel optionally presents telescopic, folding type or any other viable that have sections in its travel bar, each of said sections can also have a co-linear groove so that the ends of its sliding steps or sliding bars, insert, and guide element are inserted.

22.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and 21 and from 9 to 20 where there are also variably arranged rings arranged in their sections of said bars for an external one in its upper part and an internal one in its lower part for its assembly where it can carry damping material, except the first one does not have an upper ring when it is coupled to said angle and / or structure in question and the last lower one because it is coupled to another section of said travel bar and / or structure, they also have a groove in variant form, according to their slot characteristics of said travel bar that can be made of aluminum or any other viable resistant material such as metal, etc.

23.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2, 21 and 22 and from 9 to 20 where said rings have their variant fixed clamping means according to claim 12 with their sections of said bars for travel.

24.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2, 21 and 22 and / or from 9 to 23 where said rings have their optionally mountable and detachable fastening means conforming to me to claim 13 with said rods for travel.

25.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 2 and / or 9 to 24 where said sections for travel bar optionally are not presented when said travel bars are straight, continuous , etc,

26.- New staircase with sliding steps for building evacuation cios in case of emergency characterized according to claims 2 and with any of 9 to 25 where its structure and / or parts of said lateral supports or rods for travel are viable to be applied to any structure and / or part.

27.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and 9 to 26 where said step or bar is presented in the form of at least one central body with at least one lateral projection in variant form of projecting shaft, or any other viable as bolt, etc. arranged in at least one of its ends of said central body or bar inserted in its groove of said rods for travel for ascent and / or descent, which may be made of aluminum or any other resistant material such as metal, etc., which can carry damping material.

28.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and 27 and from 9 to 26 where said protruding axis has its variant fixed clamping means according to claim 12 with said bar .

29.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and 27 and / or from 9 to 28 where said protruding axis presents its optionally mountable and detachable mounting means according to to claim 13 with said bar.

30.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and / or 9 to 29 where said protruding axes are optionally not presented when acting on any other viable system such as pulleys , etc.

31.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and 9 to 30 where it presents at least one lateral projection in the form and variant arrangement of guide or any other viable as a plate, etc., arranged in at least one of its ends of said bar and / or end of said protruding shaft, etc., which are inserted in its groove of said bars for travel for ascent and / or descent that can be made of aluminum or any other viable resistant material such as metal, etc., which may carry damping material.

32.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and 31 and from 9 to 30 where said guides have their variant fixed clamping means according to claim 12 with said bar and / or end of said protruding shaft.

33.- New ladder with sliding steps for evacuation of buildings in case of an emergency characterized in accordance with Clauses 3 and 31 and / or from 9 to 32 where these guides present their optionally mountable and detachable variant clamping means according to claim 13 with said bar and / or end of said shaft.

34.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and / or 9 to 33 where said guides are not optionally presented when acting by any other viable system as a piston, etc.

35.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 3 and with any of the 9 to 34 where its structure and / or parts of said mechanism of element in travel or step or movable bar they are viable to be applied to any structure and / or part concerned.

36.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 35 where optionally presents said fastening means in variant ring form or any other viable as armella, etc. arranged in said reinforcement or lower bar that cooperates to hold a guide element that can be made of metal or any other viable resistant material.

37.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 36 and from 9 to 35 where said ring has its variant fixed clamping means according to claim 12 with said reinforcement or bar.

38.- New staircase with sliding steps for building evacuation cios in case of an emergency characterized according to claims 4 and 36 and / or 9 to 37, wherein said ring has its variably mountable and detachable clamping means according to claim 13 with said reinforcement or bar.

39.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 38 where said guide element is optionally presented in a variant form and arrangement of at least one belt or any other viable such as tube, wire, etc. provided longitudinally in said reinforcement or upper bar to release and / or collect the sections of said travel bars, another function is to guide guides, their resistance is determined by their load of their travel bar sections, which can be made of leather or any other viable resistant material such as canvas, etc., its size is preferably determined by its length. Its upper end is coupled to said upper reinforcement or bar and / or said upper transverse bar and / or said reel.

40.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 39 and from 9 to 38 where it also has a variant fastening means of at least one hook or any other viable as an open ring, etc., disposed at the lower end of said tape to engage with said ring arranged in said lower reinforcement and / or lower crossbar that can be made of aluminum or any other viable resistant material such as metal, etc.

41.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4, 39 and 40 and from 9 to 38 where said hook has its variant fixed fastening means according to claim 12 with said headband.

42.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4, 39 and 40 and / or 9 to 38 where said hook has its optionally mountable and detachable fastening means according to claim 13 with said tape.

43.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 39 and / or from 9 to 42 where said hook cannot optionally be presented when said guide element is a tube, etc.

44.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 39 and from 9 to 43 where its upper end of said belt has its variant fixed clamping means according to the claim 12 with said reinforcement and / or upper crossbar and / or reel.

45.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 39 and / or from 9 to 44 where its upper end of said belt has its optionally mountable fastening means and detachable variant according to claim 13 with said reinforcement and / or bar upper transverse and / or said reel.

46.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 45 where said belt is not optionally present when the structure is used for loading material, etc.

47.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 46 where optionally at least said handle is presented in a variant form of individual belt or any other viable as a ring, etc., inserted in said tape so that it slides and serves as a handle for the user, which are made of leather or any other resistant material suitable as canvas, etc. suspended at the top of the structure.

48.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 47 and / or from 9 to 46 where it optionally presents its fastening means in variant form of at least one ring or any other viable as a loop of the same belt, etc., inserted in said individual belt with said belt for its sliding which can be made of aluminum or any other resistant material suitable as metal, etc.

49.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4, 47 and 48 and from 9 to 46 where said ring has its variant fixed clamping means according to claim 12 with said belt individual.

50.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4, 47 and 48 and / or 9 to 49 where said ring presents its optionally mountable and detachable variant clamping means insert, etc. by any of at least one of its points of support with said individual belt and said tape.

51.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 50 where said individual belts optionally cannot be presented when their use is for loading material, etc. .

52.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 51 where at least said suspension element is optionally presented in a variant form of hook or any other viable as adhesives, etc. arranged separately from each other in said upper reinforcement and / or crossbar so that one of its ends of said individual belt that can be made of metal or any other viable resistant material such as plastic, etc. is suspended.

53.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 52 and from 9 to 51 where said hooks have their variant fixed clamping means according to claim 12 with said re- upper force and / or crossbar, etc.

54.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 52 and / or 9 to 53 where said hooks have their optionally mountable and detachable fastening means according to claim 13 with said upper reinforcement and / or crossbar, etc.

55.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and / or 9 to 54 where said hooks optionally cannot be presented when their use is for loading material, etc.

56.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 2 and from 9 to 55 where said reinforcement or bar has its variant fixed clamping means according to claim 12 with said lateral support or bars for travel in structure in question.

57.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 4 and 2 and / or from 9 to 56 where said reinforcement or bar has its optionally mountable and detachable clamping means form claim 13 with said lateral support or bars for structure travel in question.

58.- New staircase with sliding steps for building evacuation In case of emergency characterized in accordance with claims 4 and with any of 9 to 57 where its structure and / or parts of said reinforcement mechanism or bar are viable to be applied to any structure and / or part concerned.

59.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 9 to 58 where said reel is inserted in said upper crossbar which has lateral sections that act when turning and picking up the displacement of said tape that is wound and that can be made of metal or any other viable resistant material such as plastic, etc,

60.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 59 and from 9 to 58 where said reel has its variant fixed clamping means according to claim 12 with said upper crossbar.

61.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 59 and / or from 9 to 58 where said reel has its optionally mountable and detachable mounting means according to claim 13 with said upper crossbar.

62.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and / or 9 to 61 where said reel optionally cannot be present when its upper crossbar has movement in itself and cooperates for the release and / or collection of its sections of said rods for travel, etc.

63.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 9 to 62, wherein said means of controlling bar sections for travel in shape and variant arrangement presents at least one pair of toothed bands one in the inner recess of said reel and the other to the center of said upper crossbar to engage and control the untimely fall of its sections of said travel bars or any other viable as a pair of said dentate bands arranged at the ends of said upper crossbar so that it has movement in itself, etc., which can be made of metal or any other viable resistant material.

64.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 63 and from 9 to 62 where said serrated bands have their variant fixed clamping means according to claim 12 with those of said reel and / or said upper crossbar.

65.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 63 and / or 9 to 64 where said serrated bands have their optionally mountable and removable fastening means according to to claim 13 with said reel and / or said upper crossbar.

66.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and / or 9 to 65 where said optionally indented bands cannot be presented when said upper crossbar has movement in itself by other means, etc.

67.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 9 to 66 where it has a reel control means in variant form of at least one lever with movement itself same arranged on one side of said reel located on said upper crossbar and / or any other viable as a safety, etc, which serves to lock and unlock said reel that can be made of aluminum or any other material resists as metal, etc.

68.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 67 and from 9 to 66 where (9) its fastening means is fixed fixed according to claim 12 by its end with those of said upper crossbar.

69.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 67 and / or from 9 to 68 where said lever its clamping means is optionally mountable and detachable variant according to the claim 13 at its end with those of said upper crossbar.

70.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and / or 9 to 69 where said lever cannot be presented when not carrying reel, etc.

71.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 2 and from 9 to 70 where said upper and / or lower transverse bars have their variant fixed clamping means according to the claim 12 at its ends with the upper and / or lower part respectively of said bars for structure travel in question.

72.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and 2 and / or 9 to 71 where said upper and / or lower crossbars have their fastening means optionally Mountable and detachable variant according to claim 13 at its ends with the upper and / or lower part respectively of said bars for structure travel in question.

73.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 5 and / or with any of 9 to 72 where said upper and / or lower cross bars optionally does not occur when said integral parts have another arrangement and / or do not appear, do not have sections of bar for travel, etc.

74.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 6 and 2 and from 9 to 73 where said plugs or plates have their variant fixed clamping means according to claim 12 with their ends of said lateral supports or bar for structure travel in question.

75.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 6 and 2 and / or 9 to 74 where said plugs or plates presents their optionally mountable and removable fastening means variant according to claim 13 with its ends of said lateral supports or bar for structure travel in question.

76.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 6 and / or 9 to 75 where said plugs may not optionally be presented when the characteristics of the structure where it is applied do not allow, etc.

77.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 6 and with any of 9 to 76 where any structure and / or parts are included in the present invention.

78.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 9 to 77 where it has at least said support of variant load of gear or any other viable form of movement such as pulley system, etc., whether mechanical, electrical and / or hydraulic, one acts in tandem with said spring with a hemispherical stop, one installed above said spring; a pair of gears aligned vertically and separated from each other housed in the other lateral support or rods for travel at equivalent heights with the spring and gear of the opposite lateral support that said upper gears serve to support the group of steps or movable bars through their shafts and / or guides in both said spring with hemispherical stop and gear arranged at equivalent height housed in said side support or bar for travel on the opposite side supports the first step in which the user will be positioned and / or load, its resistance and adjustment is determined by the load it supports that can be made of metal or any other resistant material such as plastic, etc.

79.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 78 and from 9 to 77 where said gears have their variant fixed clamping means according to claim 12 also with different cha bar for equivalent height travel with said spring with a hemispherical stop disposed on said bar for travel on the opposite side.

80.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 78 and / or from 9 to 79 where said gears have their optionally mountable and removable fastening means according to claim 13 also with said bar for equivalent height travel with said spring with hemispherical stop disposed in the another bar for travel on the opposite side.

81.- New ladder with sliding steps for evacuation of buildings in case of an emergency characterized in accordance with remarks 7 and / or 9 to 80 where these gears are not optionally presented when operating by another viable movement system like pulleys, etc.

82.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 9 to 81 where it has a control of steps in shape and variant arrangement of at least one articulated bar or any other viable, such as electrical system, etc., also housed in said projected travel bar with said two gears aligned vertically for movement control thereof where it can also be placed in its other bar for opposite travel and / or in both that it can be made of aluminum or any other viable resistant material such as metal, etc.

83.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7. and 82 and from 9 to 81 where it presents at least one insurance in form and variant arrangement of protruding sections or any other viable as shoes, etc. designed to accommodate the teeth of said gears aligned vertically that serves as a safe for the ascent and / or controlled descent of their steps or movable bars that can be made of aluminum or any other resistant material such as metal, etc.

84.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7, 82 and 83 and / or from 9 to 81 where optionally said protruding sections have at least one groove at its end for stay in the gaps between your teeth of these gears for greater choice in insurance number and / or cargo volume.

85.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7, 82, 83 and / or 84 and from 9 to 81 where said protruding section presents its variant fixed clamping means according to claim 12 at its end with said articulated bar.

86.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7, 82, 83 and / or 84 and / or 9 to 85 where (23) presents its fastening means optionally mountable and detachable variant according to claim 13 by its upper end with said articulated bar.

87.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 82 and / or from 9 to 86 where said protruding sections optionally do not occur when acting on another viable pulley system, etc. , for ascent and / or descent of said steps or bars.

88.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized in accordance with claims 7 and 82 and / or from 9 to 87 where said bar opclonally presents said bar articulated said fastening means in variant form of at least one ring or any other viable form such as, strap, etc., disposed at its upper end that serves as a handle to the user that can be made of aluminum or any other viable resistant material such as metal, etc,

89.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7, 82 and 88 and from 9 to 87 where said ring has its variant fixed clamping means according to claim 12 with its upper end of said articulated bar.

90.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7, 82 and 88 and / or from 9 to 89 where said ring presents its optionally mountable and detachable fastening means according to claim 13 with its upper end of said articulated bar.

91.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7, 82 and / or 9 to 90 where said ring cannot be presented when a part of said bar articulated serve as a handle, etc.

92.- New staircase with sliding steps for evacuation of buildings in case of an emergency characterized in accordance with Sections 7 and 82 and from 9 to 81 where said articulated bar (24) has its fixed variant clamping means according to to claim 12 also in said travel bar housing said two gears aligned vertically.

93.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 82 and / or from 9 to 92 where said articulated bar presents its optionally mountable and detachable fastening means according to the claim 13 also in said travel bar housing said two gears aligned vertically.

94.- New staircase with sliding steps for evacuation of buildings in case of an emergency characterized in accordance with claims 7 and / or 9 through 93 where said optionally articulated bar cannot be presented when acting by any other control viable as an electrical system, etc.

95.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 2 and 9 to 94 where said spring has its variant fixed clamping means according to claim 12 its end with said bar for travel in the structure.

96.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 7 and 2 and / or from 9 to 95 where said spring has its optionally mountable and detachable mounting means according to claim 13 at its end with said bar for structure travel.

97.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to the claims. nes 7 and / or with any of 9 to 96 where its structure and / or parts of said movement control mechanism of movable steps or bars or spring are viable to be applied to any structure and / or part concerned.

98.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and 9 to 97 where said support is presented in variant form and resistance of at least one rectangular bearing or any other viable as square, etc. as long as it serves as a support against the wall or fixing area and with resistance to withstand the pressure of its bars to travel against the area where it is to be fixed which is arranged in the internal part of the angle that gives the exterior that can be of rubber or any other viable material and its dimension as desired.

99, - New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and 98 and from 9 to 97 where said bearing has its variant fixed clamping means such as at least one rivet or any other viable as pasted, etc. to hold it by any of at least one of its points of support with said corresponding angle in its lower part.

100.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and 98 and / or 9 to 99 where said bearing presents its optionally mountable and detachable variant clamping means as at least us a screw and nut or any other viable as adherible, etc. to hold it by any of at least one of its support points with its corresponding arm or angle to be foldable.

101.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and / or 9 a (at 100 where said bearing optionally does not occur when its angles are properly coupled to the structure fixing area where applies, etc.

102.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and 9 to 101 where said adjustment element is presented in variant form of at least one perforation or any other viable as reverse eyebrows, etc., fixed by any suitable fastening means, for greater adjustment option.

103.- New ladder with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and / or 9 to 102 where said perforations optionally do not occur when their angles are properly coupled to the fixing area by other means of adjustment such as reverse eyebrows that catch, etc.

104.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and 2 and from 9 to 103 where said arms or angles have their means of fixed fixed variance when fixing said angles that give the external to said two rods that are projected inferiorly by welding aluminum by any type of viable welding such as copper, etc., among other viable fastening means such as rivets, etc. by any one of at least one of its support points of its upper part of said bars for structure travel that is treated with the lower part of said angles.

105.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and 2 and / or from 9 to 104 where said arms or angles have their optionally mountable and detachable mounting means as per at least one screw with nut or any other viable as a clamp, etc., by any of at least one of its support points of its upper part of said bars for structure travel that is treated with the lower part of said angles to be foldable

106.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized according to claims 8 and with any of the 9 to 105 where its structure and / or parts of said adjustable clamping mechanism is viable to be applied to any structure and / or part concerned.

107.- New staircase with sliding steps for evacuation of buildings in case of emergency characterized in accordance with claims 6 and / or with any of the 9 to 106 where they can also optionally carry these plugs.

108.- Side support mechanism or bar for climbing ladder flush characterized in that said lateral supports or bars for stair travel have a structure formed straight or by several telescopic segments with a co-linear central groove in its corresponding internal face with a rubber insert also longitudinal, and a longitudinal guide rail in each lateral support according to claims 1 to 106.