ES1067783U - Ladder - Google Patents

Abstract

Staircase, comprising two uprights and steps fixed between them, mainly applicable to swimming pools, characterized in that the uprights have for each rung an area with diametrically opposed holes in which area a cap formed by two halves that have lower a peripheral step on which the step is supported by a hole close to its ends, this coupling being secured by a nut that is screwed into the upper threaded periphery of the two halves of the bushing and which rests on the step. (Machine-translation by Google Translate, not legally binding)

Description

Stairs.

Object of the invention

Stairs.

Field of the Invention

Even when this ladder can present any general constitution and be applied to different functions, it has been primarily intended to be used in swimming pools.

Background of the invention

Generally these types of stairs present the steps fixed to the uprights by means of screws and nuts, and in some cases caps are used that strung on the uprights are coupled in tubular holes of the steps.

Summary of the invention

It is an object of the invention to obtain a ladder easy assembly and disassembly which allows to be marketed as "DIY" as it can be mounted by the user himself or Any person not skilled in the subject, being able to the pieces Components be replaced by others if necessary. This disassembled ladder takes up little space so you can easily stored and transported Also this ladder It comprises a step whose constitution allows to change its design to user will

This staircase is characterized because uprights have an area with holes for each step diametrically opposed in whose zone a bushing formed by two halves that have a lower peripheral step on which the step is supported by a hole near its ends, this coupling being secured by means of a nut that is screwed into the threaded upper periphery of the two halves that form the cap and that rests on the step.

To obtain the step with different designs,  has constituted with a base to which a lid is attached with the design that interests to choose between several covers.

These and other features will come off better than the detailed description that follows, to facilitate which It is accompanied by three sheets of drawings in which it has been represented a case study that is cited only by way of example not limiting the scope of this invention.

Description of the drawings

In the drawings:

Figure 1 illustrates in perspective the part bottom of a ladder with a step mounted and another in the phase of mounting,

Figure 2 is a detail in raised section of the coupling of the step to the upright,

Figure 3 shows in perspective the two basic constituent parts of the step,

Figure 4 indicates in perspective one half of the cap

Figure 5 illustrates in perspective the nut that  ensures the coupling of the step to the upright,

Figures 6 and 7 represent in perspective two versions of the cover formed by two superimposed pieces, Y

Figures 8 and 9 correspond to a section cross section of the step with the covers according to figures 6 and 7 respectively.

Detailed description

According to the drawings, the ladder comprises  two uprights (1 and 2) metal and tubular and several steps (3) of plastic material.

The uprights (1 and 2) present for each step one zone (4) with diametrically opposite holes (5 and 5 ') in whose area a bushing formed by two halves (6 and 7) that have a step below peripheral (8) on which the step (3) is supported by a hole (9) close to its ends, this coupling being secured by means of a nut (10) that is screwed on the upper periphery threaded (11) 1 of the two halves of the bushing, and which is supported on the step (3). In the holes (5 and 5 ') fit respective projections (12) of the inner periphery of said two halves of the cap

The steps (3) will be constituted advantageously by a base (13) and a cover (14) with which changing the cover you can get steps with different design.

The halves (6 and 7) of the cap present in its outer periphery a conicity (15) that facilitates its introduction into the hole (9) of the step through its mouth lower.

In said mouth, and in the upper one, of the indicated hole the step has two internal steps (16 and 17) which fit, respectively, the lower step (8) of the  bushing and nut halves (10).

The nut (10) has an L-section presenting  an upper inner flange (18) that has cavities (19) for the introduction of a tool through which the screw and unscrew the nut with respect to the threads of the two halves of the cap.

Naturally, the cover (14) will have holes  (9 ') in correspondence with (9) of the base (13) for the strung the step in the uprights (1 and 2).

In figures 6 and 7 the cover is formed by two overlapping pieces, the upper one (14a) is metallic and the bottom (14b) is made of plastic material, whose parts according to the Figure 7 presents the upper holes (20) through which they protrude slightly protruding (21) semi-elastic lower part forming a non-slip upper surface.

The lower pieces (14b) present in their contour fixing an elastic profile (23) of U-section where the peripheral edge of the metal pieces (14a) fits.

The base (13) corresponding to the upper step  present its rear edge according to a horizontal extension (22) (figure 1) that will occupy the distance between the step and the pool wall.

In the case of split stairs, in which the  side rails are independent with respect to the uprights (1 and 2) of the ladder, the upper step will be held with blind nuts.

The invention, within its essentiality, can be put into practice in other embodiments that differ only in detail from that indicated solely by way of example, which will also achieve the protection that collect. This ladder can be manufactured in any way and size, with the most appropriate media and materials and with the more convenient accessories, the component elements being able to be replaced by other technically equivalent ones, because everything remains this included within the spirit of the claims.

Claims (6)

1. Ladder, comprising two uprights and steps fixed between them applicable mainly to swimming pools, characterized in that the uprights have for each step an area with diametrically opposed holes in which area a socket formed by two halves that are inferiorly attached is mounted on the upright a peripheral step on which the step is supported by a hole close to its ends, this coupling being secured by means of a nut that is screwed into the threaded upper periphery of the two halves of the bushing and which rests on the step. 2. Ladder, according to claim 1, characterized in that the holes in the upright consist of two holes where respective projections of the inner periphery of the two halves of the bushing fit. 3. Ladder according to claim 1, characterized in that the step is constituted by a base to which a cover is attached, both of plastic material. 4. Ladder according to claim 1, characterized in that the halves of the bushing have a conicity on its outer periphery and the step has two upper and lower internal steps in its hole in which the nut and the lower step of the two respectively fit Cap halves. 5. Ladder, according to claim 3, characterized in that the cover is formed by two superimposed pieces, the upper metal and the lower plastic. 6. Ladder according to claim 5, characterized in that the metal upper part has holes in which slightly protruding, semi-elastic projections of the lower part of plastic material.