KR20080108162A - Step for modular staircase and relative staircase - Google Patents

Abstract

The scaffold of the modular staircase is made by injection molding using a thermoplastic technopolymer and has at least one main body 11 and a spacer 12. The main body 11 has a vertically extending hollow portion 11b having at least one screw surface 11a and an internal screw 111, while a spacer 12 is provided with the spacer 12 and the hollow. It has an external screw 121 fitted with the hollow part 11b of the main body 11 so that the part 11b may screw together. The hollow part 11b and the spacer 12 also have end portions 112 and 122 which are formed so as to be aligned in order to vertically stack two or more scaffolds 10 so as not to interact, and thus the modular stairs 1 thus obtained. ) Is completed with a landing 20 made in a similar manner to the scaffold 10.

Description

Steps for Modular Staircase and Relative Staircase

The present invention relates to a scaffold of a modular staircase and a staircase associated therewith.

In the field of construction, there have always been problems with the use of small spaces early on, and modular stairs, often classified as spiral stairs and stairways, have been used so far. They connect rooms of different heights using very small occupied spaces or spaces with specific shapes, both indoors and outdoors. In the production of modular stairs, the steps of modular stairs known in the building art must cover a certain suitability of the height of the whole stairs without sacrificing the required safety. Because of this very different height, the first suitability of the steps can be achieved by the number of steps, and only the possibility of precisely adjusting the distance between the steps allows the standardized production of the steps, thereby all potential The problem is solved. The materials used to produce the scaffolding of this type of stairs are now wood and various metal alloys. Using wood, the scaffold is first molded to have the screw of the required shape, and then a spacer on a vertical column that acts as a tie rod to form a step and connect the scaffold to withstand the stresses that may be encountered during use. Alternately stack spacers and scaffolds with standard heights secured with keys.

In this case, precise adjustments can be made by adding a separator having a finite height, and can also be made using wood or plastic or a material strong enough to avoid many deformations during use. These separators are inserted between the stair and the spacer at one or more positions of the vertical length of the stair so that the stair has the required overall height.

If a metal alloy is used instead of wood, a plate of a certain thickness is first processed into a certain shape and then drawn and bent to form a scaffold of the required shape. The edges are then trimmed and the footrests are covered by a pillar that acts as a tie rod and welded to any part of the tube. Finally, it is washed and painted to give it the desired appearance.

In this case too, the precise adjustment is carried out using a spacer consisting of two end ring nuts, which is also useful for centering the column in the tube. Connected to one ring nut with a smooth shank, a predetermined number of separators similar to those previously described may be inserted to insert two consecutive scaffolds at the required distance and to separate the two ring nuts. Alternatively, a threaded shank may be coupled to one of the two ring nuts. The other ring nut may be screwed into the shank with the threaded teeth, or may be adjusted by interrupting the turning of the screw in the required position, or may be done without using the separator described above.

 In both solutions depending on whether wood or metal alloys are used to produce the modular staircase, the elements used for fine adjustment will be partially visible, which creates gaps in the appearance or scaffolding, in particular those with threaded parts. This is disadvantageous because it is shown.

Moreover, if metal alloys are used, at least in part, more processes are required, such as painting, deburring and sandblasting, some of which may be carried out after assembly, which increases production time and increases cost. Let's go.

Without limiting the scope of the present invention, the following detailed description of the present invention with reference to the accompanying drawings will be understood the characteristics and other features of the present invention.

1 is a top perspective view (FIG. 1A) and a bottom perspective view of the present invention.

2 is a perspective view of the use state of the present invention.

Figure 3 is a detailed view of the present invention with some components omitted to better illustrate the present invention.

Therefore, the object of the present invention is to eliminate the above disadvantages, and the object is achieved by a lift control system in the scaffold, as described in the claims of the present invention.

The main advantage of the present invention is to maintain the continuity of the line and to give a uniform appearance to the product by the height adjusting device acting on the scaffold basically.

Moreover, materials composed of technopolymers with thermoplastic properties have been produced by injection molding techniques that do not require any particularly complex processing, such as internal threading and finishing after assembly.

Finally, the use of these production techniques can be of various shapes, dimensions, and colors to increase the public's choice without increasing the associated costs.

As shown in the accompanying drawings, the present invention relates to a modular stepping foot and a corresponding modular stepping using a plurality of said steps.

The footrest 10 shown in FIG. 1 has a main body 11 composed of at least one screw surface 11a and a hollow portion 11b in which the inner screw 111 extends vertically, and the hollow of the main body 11. A spacer 12 having an external screw 121 to be fitted with the screw 111 of the portion 11b is provided. Here, by screwing the spacer 12 and the hollow portion 11b together, it has an overall raised height corresponding to a single footrest 10, which is a little further by simply screwing or unscrewing one footboard. Or you can change the reference value a little smaller. The spacers 12 and the two ends 112 and 122 of the hollow portion 11b of the main body 11 that do not interact with each other have a shape that is aligned with each other so that two or more scaffolds 10 can be stacked vertically. May have

As already disclosed, the materials used to make the scaffold 10 can be optionally made of wood, metal alloys or plastics. However, it should be appreciated that it is technically difficult to manufacture all of the above-mentioned problems for the manufacture of the internal screw 111 using metal alloys during molding and after the die casting process and for other operations after assembly. Moreover, wood is difficult to apply standardized industrial processes well, while its use requires more advanced technicians. For this reason, the main advantages of the use of the present invention are obtained using a technopolymer having thermoplastic properties, for which the scaffold 10 can be manufactured by injection molding. The main advantage with respect to the material according to this fact is that once casting is completed, no other form of further processing is required, and in particular the product obtained in this way has the greatest potential in terms of the choice of shape, dimensions and colors. For example, the threaded hollow portion 11b may have an inner portion having a cylindrical shape that is connected to or covered by an outer portion that may have any shape.

The use of a technopolymer having thermoplastic properties and the casting technique that may be used is the rigidity shown in FIG. 1B in which the main body 11 of the scaffold 10 produced by this technique is made of a single body having a threaded surface 11a. It has another advantage of having the rib 11c. Furthermore, the main body 10 is designed to contain the corresponding element 31 of the at least one handrail 30 and has at least one shape sheet 11d made of a single body with a screw surface 11a. .

In addition to the individual scaffolding, there is a similar advantage according to the manufacture of the modular staircase 1 of the spiral staircase or straight staircase, for example with the plurality of scaffolds 10 according to the previous claims.

The modular staircase 1 produced in this way also has a landing 20 as shown in detail in FIG. 3. Like the footrest 10, the landing 20 has at least one main body 21 and a spacer 22. The main body 10 includes a vertically extending hollow portion 21b having at least one screw surface 21a and an internal screw 211; It has an external screw 221 which is fitted with the screw 211 of the hollow part 21b of the main body 21 so that the spacer 22 and the hollow part 21b may be screwed together.

The main body 21 of the landing 20 also has an outer edge 21e of the screw surface 21a which is formed such that the landing 20 is applied to a hole in the floor S having a certain shape.

In the most preferred version, in response to the use of a technopolymer having thermoplastic properties for the entire staircase 1, the main body 21 of the landing 20 is also rigid made of a single body with a threaded surface 21a. It is made of a single body having a rib 21c and also having a sheet 21d having at least one shape and having a threaded surface 21a which is adapted to be mounted to at least a corresponding element of the handrail 30.

The disclosed invention may be modified and adapted without departing from the concept of the invention. Moreover, all details of the invention may be substituted by technically equivalent elements.

Apparently, modifications and / or improvements are all possible by covering the claims of the present invention.

Claims (10)

In the footsteps of the modular stairs, At least one main body 11 having a hollow portion 11b having at least one screw surface 11a and an internal screw 111 and the hollow portion 11b and the spacer 12 screwed together. And a spacer 12 having an external screw 121 that is fitted with the screw 111 of the hollow portion 11b of the main body 11, wherein the hollow portion 11b and the spacer 12 And a step of the modular staircase, characterized by having two or more scaffolds (10) stacked vertically and having non-interacting ends (112, 122) having a shape that is joined in turn. The method of claim 1, Scaffolding modular stairs characterized in that it can be produced by injection molding with a technopolymer having thermoplastic properties. The method of claim 2, The main body (10) has a step of the modular staircase, characterized in that it has a rigid rib (11c) made of a single body having a screw surface (11a). The method of claim 2, The main body 10 has at least one shape sheet 11d made of a single body with a threaded surface 11a shaped to mount at least one corresponding element 31 of the handrail 30. Characterized by the steps of the modular staircase. Modular staircase, characterized in that it comprises a plurality of scaffolds (10) according to any one of the preceding claims. The method of claim 5, wherein Modular staircase characterized in that the landing has a landing (20). The method of claim 6, The landing 20 has at least one main body 21 with a hollow portion 21b extending vertically with at least one screw surface 21a and an internal screw 211, a spacer 22 and the Modular, characterized in that it comprises a spacer 22 having an external screw 221 to be fitted with the screw 211 of the hollow portion 21b of the main body 21 so that the hollow portion 21b is screwed together. stairs. The method of claim 7, wherein The main body 21 of the landing 20 is characterized in that it has an outer edge 21e of the threaded surface 21a which is adapted for the landing 20 to fit into a hole in the floor S having a certain shape. Modular stairs. The method of claim 7, wherein Modular staircase, characterized in that the main body (21) of the landing (20) has a rigid rib (21c) made of a single body with a screw surface (21a). The method of claim 6, The main body 21 of the landing 20 is at least one shaped sheet 2d made of a single body with a threaded surface 21a formed to be mounted to at least one corresponding element 31 of the handrail 30. Modular staircase characterized in that it comprises a.