ES1068604U - Orthopedic silla (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Orthopedic chair, of the type intended for children with psychomotor disabilities and the like, for use in table work, ie static, characterized because it is constituted by two wooden sides, each of which constitutes the anterior leg, the intermediate crosspiece and the rear leg with its prolongation corresponding to the backrest in the lateral area of the corresponding chair, the two wooden sides being related to each other at the backrest level by means of a wide metal sheet, curve, front concavity, and at the seat level by means of two lateral plates, fixed by bolting to the wooden sides and fixed to each other by means of a pair of metal crosspieces, all this fixed structure being mounted on a mobile structure, movable in the anterior-posterior direction, in which it participates in turn another sheet, in this case flat and constitutive of the seat itself, being joined articulately to the lower extremity of said mobile structure another metallic structure corresponding to the footrest of the chair, provided with means for regulating both its height position and its inclination, as well as for collapsing in a situation of inoperability. (Machine-translation by Google Translate, not legally binding)

Description

Orthopedic chair

Object of the invention

The present invention relates to a chair Orthopedic, specially designed for children with disabilities psychomotor, although obviously it can be used by others people who require the same level of benefits.

The chair is designed to be used in table work, and it is the object of the invention to get its operation is simple and convenient, both for the disabled user as, above all, for the assistant who has to place it and Fix it to the chair.

Background of the invention

Usually orthopedic chairs for disabled people employed in table work, that is, not provided of wheels, they have a wooden structure with anchors for different accessories, such as belts that have to hold the user, side headrests, armrests, etc., these accessories are usually properly padded to greater comfort of the chair. They usually incorporate also footrest, with the possibility of height adjustment in certain cases, also equipped with anchoring means for belts of fixing the user's feet.

Other chairs of this type have a mostly metal structure, logically with seat and Padded backrest to improve their comfort.

Both the chairs of one group and another they present as a common denominator a complex structuring of uncomfortable use both from the user's point of view and of the auxiliary that manipulates it in the coupling operations on the chair and with even more important problem and it is the lack of "functional flexibility" to adapt it to users of different body size

Description of the invention

The chair proposed by the invention resolves the problem was fully satisfactory before exposed, in the different aspects commented.

For this, this chair combines wood and wood. metal, being structured by two sides that make up each of them the corresponding pair of legs, crossbar also lateral and extension of the posterior leg to define the backrest, these sides being related to each other by a curved top plate, with frontal concavity, constituting the backrest, and by means of a horizontal reinforcement at seat level a base of a pair of plates duly in solidarity with respective lateral and solidarity with each other by crossbars conveniently welded to said plates.

At the ends of said crossbars are solidarity a pair of side tubes, parallel to each other, in whose sine are sliding bars that constitute the seat support itself, materialized in turn in a flat plate that can move in direction anteroposterior on the mentioned tubes and of look at any position chosen with the collaboration of a couple of prisoners with moths acting on them, of so that the operating surface of the seat itself is of variable amplitude depending on whether it is tucked into greater or smaller measure towards the back of the chair.

The constitutive seat and backrest plates they have Velcro® type adhesive strips for fixing respective cushions, conveniently padded and lined, which allows easy assembly of them for periodic cleaning.

Both the metal sheet of the backrest and the seat are conveniently distanced from the wooden sides, to define spaces that allow easy passage of the straps or harnesses for fixing the user.

According to another of the characteristics of the invention, the footrest is embodied in a single piece plate of wood, equipped with wide perforations that allow the passage of straps to fix the user's feet, being said wooden plate framed by a metal tube of "U" configuration of backward-facing concavity, capable of tilting between two operating limit positions and ineffective with respect to a pair of sliding tubes over vertical bars, which in turn allow to regulate at will the height of said footrest and that is set to the desired height with the collaboration of captive screws that in this case are not provided with moths, but materialize in type screws Allen

All this footrest structure is also liable to vary its inclination, to which effect it joins the mobile seat structure through toothed crowns and complementary, that in a situation of distancing allow the free tilt of the footrest, through axes that they relate, while in a tight situation they block the footrest with respect to the rest of the chair structure in any desired position for the first.

Finally and according to another of the characteristics of the invention, to the anterior crossbar of the Mobile structure corresponding to the seat is fixed in your area lower and middle a short horizontal tube, oriented antero-posteriorly, endowed with a prisoner with palomilla, and in which the classic support arm is movable separator for the user's knees, which in this way can be positioned at any anteroposterior level and that your arm allows depending on your own length.

You get a great chair this way structural rigidity, with a sliding seat by sliding and consequently adjustable positioning, with a footrest which is also adjustable both in height and in inclination, besides being foldable until a situation of inoperance in which It does not hinder the user of the chair.

Description of the drawings

To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as an integral part of said description, a set of drawings where with character Illustrative and not limiting, the following has been represented:

Figure 1.- Shows a perspective antero-lateral of an orthopedic chair made of according to the object of the present invention, devoid of its seat and backrest lining cushions.

Figure 2.- Shows a perspective similar to Figure 1, with the built-in cushions and with the footrest in inclined position.

Figure 3.- Shows a later perspective. of the same chair.

Figure 4.- Shows a perspective view lower of the chair.

Figure 5.- Shows an enlarged detail and also in perspective of the mechanism with which the angular position of the footrest.

Figure 6.- Shows an elevation view side of the chair in maximum retraction position for your seat.

Figure 7.- Shows, finally, a detail in perspective of the height adjustment mechanism for the footrest.

Preferred Embodiment of the Invention

In view of the figures outlined you can be observed as the orthopedic chair that is recommended is constituted from two wooden sides (1), of great robustness, with rounded edges and vertices, each of the which sets the previous and corresponding leg (2) of the chair, its stringer (3) corresponding to the seat, and the leg later with its prolongation (4) participant in the support.

These two wooden sides (1-1 ') are solidly linked together by a robust sheet metal (5), facing curved-concave, constitutive of the firm structure of the backrest, which has lateral extensions (6) angled orthogonally backwards through which it is fixed to the lateral (1) by screwing, defining with the latter openings (7) that facilitate the passage of the fixing straps of the user, in collaboration with slots (8) next to its upper edge of the same purpose.

Fixing between the wooden sides (1-1 ') is also performed at the seat level, specifically with the collaboration of plates (9) likewise sides, also fixed by screwing to the sides (1-1 ') and related to each other by two robust metal crossbars (10). At the ends of the crossbars (10) are fixed by welding respective tubes (11) in which Sliding respective bars (12) parallel, to which in turn, a second sheet (13) constitutive in this case of the seat base, so that the latter is capable of adopting multiple positions on the imaginary axis front-back of the seat, as follows from the observation of figures 1 and 6.

Both the sheet (5) corresponding to the backrest as the sheet (13) corresponding to the seat are provided with Velcro® type adhesive strips that allow easy assembly and disassembly of respective padded bodies (15-15 '), properly upholstered, which constitute mat mode corresponding respectively to the backrest and to the chair seat, as shown in figure 2.

Prisoners (16) with handle type actuator allow to lock the seat (13-15 '), in any position chosen for the same after moving through slide.

In the confluence zone of each bar longitudinal (12) with the front cross member (10) of the structure of the seat, two crowns are fixed to said mobile structure teeth (17), especially visible in figure 5, of which They are complementary toothed crowns (18) that through a angular support (19) are solidarity bars (20) participants in the footrest, so that said sprockets (17-18) are mounted on a common shaft that drag the wheel (17) and that is operable by means of a knob or palomilla (21), so that in the decoupling situation of said sprockets shown in figure 5, the bars (20) of the Footrests can swing freely while in a situation of tighten are locked in the position chosen for the same.

These bars (20) form the basis of sliding for two tubes or bushings (22), as shown Figure 7, fixed with the collaboration of respective prisoners (23), in this case Allen head, constituting said tubes or bushings (22) the support for the footrest proper (24). As can also be seen in figure 7, the tubes (22) are stiffened together with the collaboration of cross braces (25), materialized in laminar plates, which also constitute the fixing means to the footrest of a rear containment partition (26), perfectly visible in the Figure 2, also counting said tubes (22) with extensions anterior (27) inclined downwards, to which it joins articulated a semi-frame (28) materialized in a "U" shaped concavity-oriented tube back, which receives the board (24) constituting the footrest proper, which is endowed with profuse perforations (29) which, as previously stated, allow pass straps to immobilize the user's feet.

Through the axis of tilt of the aforementioned semi-frame (28) the footrest itself it can adopt an operating situation, the one shown in figure 2, in which it is perpendicular to the bars (20), or adopt these last one inoperative position, at the same time as said footrest You can adjust your position in height by moving the bushings (22) on the bars (20), and also regulating their inclination by means of the tilting angle of said bars (20) with respect to the mobile structure of the seat through the serrated crowns (17 and 18).

It only remains to note that the chair is equipped with fixing means for different accessories, and in particular of a socket or tubular fragment (30), especially visible in figure 7, centered on the front crossbar of the mobile structure and equipped with a captive screw (31), with handle, for locking the support bar of the accessory itself intended to keep the user's knees apart, allowing positional regulation of said separator with respect to to the chair proper.

Claims (8)

1. Orthopedic chair, of the type intended for children with psychomotor disabilities and the like, for use in table work, that is static, characterized in that it is constituted by two wooden sides, each of which constitutes the previous leg, the intermediate crossbar and the rear leg with its extension corresponding to the backrest in the side area of the corresponding chair, the two wooden sides being related to each other at the backrest level by means of a wide metal sheet, curved, with frontal concavity, and at the seat by two lateral plates, fixed by screwing to the wooden sides and fixed to each other by a pair of metal crossbars, all this fixed structure being mounted on a mobile structure, movable in the antero-posterior direction, in which it participates another sheet, in this case flat and constitutive of the seat itself, being jointly connected to The lower extremity of said mobile structure is another metal structure corresponding to the footrest of the chair, provided with means to regulate both its position in height and its inclination, as well as to fold down in an inoperative situation. 2. Orthopedic chair, according to claim 1, characterized in that the sheet constitutive of the base of the backrest is provided with lateral extensions angled orthogonally backwards, through which it is fixed to the corresponding sector of the wooden sides, leaving in the latter wide windows for the user fixing harnesses. 3. Orthopedic chair, according to claim 1, characterized in that parallel tubes, oriented in the antero-posterior direction, which constitute sliding guides for the mobile structure of the seat, are solidly fixed to the ends of the cross members participating in the fixed structure of the seat, materialized by two side and parallel bars, which play in individual tubes and that are fixed to each other through the own constitutive plate of the seat, as well as through an anterior crossbar that relates them. 4. Orthopedic chair, according to claim 1, characterized in that both the metal sheet constitutive of the base of the backrest and the constitutive of the seat are equipped with Velcro® type adhesive strips for removable fixing of padded and upholstered mattresses or bodies, corresponding to said backrest and seat. 5. Orthopedic chair, according to claim 1, characterized in that to the movable structure of the seat, in its frontal area and in correspondence with its lateral ends, are set toothed crowns attached to respective aligned axes and finished in actuating knobs, said axles being coupled through a sector threaded to angular supports belonging to a pair of parallel and descending bars participating in the footrest, counting those angular supports with complementary toothed crowns that interlock on the first block the vertical bars in the relative position in which are, while in the situation of loosening allow their tilt to vary the inclination of the footrest. 6. Orthopedic chair, according to claims 1 and 5, characterized in that said descending bars participating in footrests constitute the sliding means for a pair of metal tubes, interrelated by means of plates that constitute the fixing means for a rear containment partition for the feet, counting these tubes with captive screws that allow varying the fixing point thereof on the corresponding bars, and also counting these tubes with front arms inclined downwards to which a semi-frame of tube is articulated, of configuration in "U" oriented backwards, which frames the footrest itself. 7. Orthopedic chair, according to claims 1, 5 and 6, characterized in that the footrest itself is embodied in a table provided with profuse holes for passage of the fastening straps of the user's feet. 8. Orthopedic chair, according to claim 1, characterized in that the movable structure of the seat incorporates, properly fixed to the midpoint of its front crossbar, a tubular body oriented in the antero-posterior direction, with a captive screw, for fixing the support arm of the classic spacer for the user's knees.