ES2617261B1 - SANITARY TRANSPORTATION CHAIR, ANCHORAGE DEVICE FOR HOLDING A CHAIR AND SANITARY TRANSPORT CHAIR SET - Google Patents

Abstract

Sanitary transport chair provided with a driving means, in particular intended to be transported in sanitary transport vehicles, characterized by comprising a chair (1) that has a folding structure (2) configured to be foldable and deployed, which includes a base of seat (3), a backrest (5) and scroll wheels (8) located at the bottom of the folding structure (2). It also has a caterpillar module (13) attachable in the folding structure of the chair by releasable joining means, such that the caterpillar module is configured to engage / disengage from the chair, the caterpillar module (13) being configured to provide motility to the chair, so that it is able to overcome obstacles or unevenness in the terrain where the chair passes.

Description

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Sanitary transport chair, anchoring device to hold a chair and set of

sanitary transport chair

DESCRIPTIVE MEMORY OBJECT OF THE INVENTION

The purpose of the present application is to register a sanitary transport chair, anchoring device to hold a chair and a sanitary transport chair assembly.

More specifically, the invention proposes the development of a sanitary transport chair with a folding structure and provided with driving means, an anchoring device intended to hold the sanitary transport chair and a sanitary transport chair assembly, which allows combining the advantages of a manually operated chair and a motorized chair, with the possibility of quickly and easily releasing the motor means.

BACKGROUND OF THE INVENTION

It is well known to use chairs for sanitary transport that can be part of the equipment present inside a sanitary transport vehicle, being increasingly used for the transport of elderly people or with some difficulty or physical handicap. This type of chairs has a folding structure with sliding wheels, which includes a seat base and a backrest, which facilitates its storage inside the vehicle when it is not being used.

However, on occasions where healthcare personnel have to assist a patient in which there may be difficulties with access to the chair, for example, a building devoid of an elevator, an elevator with reduced dimensions that does not allow the introduction of a chair Sanitary transport makes it very difficult for health personnel to move the chair with the patient seated due to the weight to be transported.

To solve the above problem, there are sanitary transport chairs on the market that incorporate a traction system in order to solve the problem described above. However, due to the volume that this type of chairs can occupy, sanitary transport vehicles do not carry these chairs but their employment is previously planned, given

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that the sanitary transport vehicle can have conventional non-motorized folding chairs, and the vehicle does not have enough space to incorporate different types of chairs depending on their utilization.

In addition, the applicant is not currently aware of an invention that has all the features described herein.

DESCRIPTION OF THE INVENTION

The present invention has been developed in order to provide a sanitary transport chair that is configured as a novelty within the field of application and resolves the aforementioned drawbacks, also providing other additional advantages that will be apparent from the description that It accompanies continuation.

It is therefore an object of the present invention to provide a sanitary transport chair provided with a driving means, in particular intended to be transported in sanitary transport vehicles, characterized by the fact that it comprises:

- a chair that has a folding structure configured to be foldable and unfolded, which includes a seat base, a backrest and scroll wheels located at the bottom of the folding structure; Y

- a caterpillar module attachable in the folding structure of the chair by releasable joining means, such that the caterpillar module is configured to engage / disengage from the chair, the caterpillar module being configured to provide motility to the chair, and including means Autonomous power supply rechargeable.

Thanks to these characteristics, a chair is obtained for the transport (or transfer) of a

patient, which can be used manually or with motor means

decoupling for specific situations, for example, to overcome obstacles

Steps or slopes in buildings or urban environments. The fact that the

caterpillar module with respect to the rest of the chair structure, provides a greater degree of

versatility, so that it is especially suitable for use in vehicles

sanitary transport, since depending on the situation or needs, the user can

choose to move the chair manually without the track module (drive means) or

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move the chair with motorized means of movement that facilitate the transport of the chair when a patient is incorporated.

According to another aspect of the invention, the track module comprises a frame that includes the releasable joining means and at least one track belt linked to drive means fed by the autonomous feeding means, the track belt being linked from articulated to the frame, so that the track belt is capable of moving angularly with respect to the frame.

Preferably, the releasable joining means comprise a pair of movable pins that protrude outwardly, each protruding from one side of the frame, said pins being nestable in holes present in the back of the folding structure of the chair.

To facilitate individual manipulation of the caterpillar module, for example, when uncoupled from the folding structure of the chair, the caterpillar module may comprise a pair of wheels arranged at the bottom that facilitate its movement.

Preferably, the track module may include gripping means comprising a handle that extends telescopically in an up / down direction in the track module frame. These gripping means favor the ergonomics of health personnel when climbing and / or descending stairs with the caterpillar module.

Advantageously, the track module can include a control panel (as an interface between a user and the transport chair) where the user or sanitary personnel can manage various functions of the chair and / or know the state of electric charge of the drive means of the caterpillar module.

Preferably, the control panel may have a visualization screen located in the gripping means that facilitates the visualization of data.

Preferably, the track belt is pivotally articulated at the lower end of the track module frame.

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According to another feature of the invention, the chair structure has first grip means located at the rear of the folding structure and second grip means located on the front of the folding structure.

In a preferable embodiment, the first gripping means comprise a pair of pivotally articulated handles on the top of the folding structure, such that in an unfolded condition, they adopt a disposition located in a plane parallel to the seat

In a preferable embodiment, the second front gripping means comprise extendable handles that extend forward, said extendable handles protruding from two lateral regions located below the seat.

Additionally, a regulating piston cylinder is provided which is coupled at one end to the track belt and the opposite end is coupled to the track module frame. This cylinder-piston regulator allows to obtain an optimal transport position depending on the degree of inclination during the action of raising or lowering the wheelchair.

According to another aspect of the invention, the track module includes in two of its opposite sides lighting means that are especially suitable in environments where visibility can be reduced, so that it reduces the risk of suffering an accident or being hit.

In a particularly preferred embodiment, the track module may have a pair of track straps separated and parallel to each other, being located on two sides of the frame.

Advantageously, the track module comprises a recharging head associated with the autonomous feeding means, the recharging head being provided with connection sockets coupled to an external electrical supply device. In this way, the drive means of the caterpillar module can be electrically charged while the transport chair is not being used. Thus, for example, the track module can be recharged inside a sanitary transport vehicle provided with electric recharge means.

Advantageously, the folding structure of the chair includes a folding footrest that facilitates the transport of the patient.

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According to another feature of the invention, the track module frame comprises a pair of stringers spaced apart from each other and joined through crossbars, being made of aluminum material, so that it reduces the overall weight of the structure and therefore facilitates Your manipulation and transportation.

It is another object of the present invention to provide an anchoring device for holding a transport chair as described above, which is characterized by comprising a frame that has a base and an anchoring structure that protrudes vertically from the base, a point of rechargeable connectable to the feeding means of the caterpillar module, the anchoring structure presenting some fastening means configured to support the transport chair in a folded condition and in a vertical position.

Additionally, the anchoring device may include support means provided to support the caterpillar module.

In an example of realization, the support means may comprise a support point located at the base.

Preferably, the fastening means comprise at least one pair of clamps located on two sides of the anchoring structure, the clamps having dimensions that are complementary to joining areas of the frame of the transport chair.

It is also another object of the present invention to provide a transport chair assembly comprising a transport chair according to any one of claims 1 to 18 and an anchoring device according to any one of claims 19 to 22, the anchoring device being configured to hold the transport chair in an upright position and with the structure of the transport chair in a folded condition.

Other features and advantages of the sanitary transport chair object of the present invention will be apparent from the description of a preferred but not exclusive embodiment, which is illustrated by way of non-limiting example in the accompanying drawings, in which :

BRIEF DESCRIPTION OF THE DRAWINGS

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Figure 1.- It is a perspective view of a transport chair assembly according to the present invention;

Figure 2.- It is a side elevation view of the assembly represented in the previous figure;

Figure 3.- It is a perspective view of the sanitary transport chair according to the present invention in a deployed condition;

Figure 4.- It is a perspective view of the sanitary transport chair in a folded condition;

Figure 5.- It is a perspective view of the caterpillar module attachable in the transport chair, in which the caterpillar straps are inclined;

Figure 6.- It is a perspective view in front of the caterpillar module attachable in the transport chair;

Figure 7.- It is a perspective view behind the caterpillar module;

Figure 8.- It is a perspective view of the anchoring device according to the present invention; Y

Figure 9.- It is a side elevation view of the anchoring device shown in Figure 8.

DESCRIPTION OF A PREFERRED EMBODIMENT

In view of the aforementioned figures and, according to the numbering adopted, an example of a preferred embodiment of the invention can be observed therein, which comprises the parts and elements indicated and described in detail below.

Referring to Figures 1 and 2, an embodiment of a transport chair assembly can be seen which generally comprises a transport chair with releasable driving means, configured to be located inside a sanitary transport vehicle, such as, for example, an ambulance, and an anchoring device configured to hold and hold the transport chair in a vertical position and with the structure of the transport chair in a folded condition.

Referring now to the sanitary transport chair, indicated generally with the

reference (1), comprises a folding structure (2) that is configured to be folded

and easily deployed, a seat base (3) that includes a belt (4) to hold

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the patient and a backrest (5) to support the back of the user or patient, which includes a pair of folding armrests (6) that are pivotally articulated by means of a rotation axis (7), both armrests (6) being located on both sides of the chair, as shown in figures 3 and 4.

In the lower part of the folding structure (2) four displacement wheels (8), two front wheels and two rear wheels are provided, the front wheels being coupled so that they can rotate on a vertical axis, so that they allow steering the chair (1).

In addition, the folding structure (2) of the chair (1) has first gripping means located at the rear of the folding structure and second gripping means located on the front of the folding structure (2).

With particular reference to the first gripping means they comprise a pair of handles (9) pivotally articulated in the upper part of the folding structure (2), so that in an unfolded condition, they each adopt an arrangement parallel to the seat base (3).

As regards the second front gripping means, they comprise a pair of extendable handles (10) that are housed inside respective tubular profiles (11) pivotally articulated in the folding structure (2). Each of the handles (10) extends forward, said extendable handles protruding from two lateral regions located below the seat. These handles (10) are located in the lower part of the chair, in an assembled condition, ending with a grip of a non-slip material, such as rubber or any other suitable material.

Also, the folding structure (2) of the chair includes a folding footrest (12) fixedly articulated at the front of the folding structure (2), so that when the chair is in a folded condition, the footrest It can be folded down by reducing the volume of the chair.

In addition, to facilitate the movement of the chair in adverse conditions, that is, the

presence of obstacles such as steps, a caterpillar module is provided,

indicated generally with reference (13), which can be released releasably in

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the rear part of the folding structure (2) of the chair thanks to the presence of releasable joining means that will be detailed later. In this way, the caterpillar module (13) is configured to easily engage / disengage from the chair (1), and the caterpillar module (13) is also configured to provide motor skills to the chair (1). This caterpillar module (13) includes rechargeable autonomous feeding means that allow power to be supplied to the driving elements.

This track module (13) comprises a frame (14) that includes the releasable joining means and a pair of track straps (15) that are arranged spaced apart and parallel to each other, which are linked to motorized drive means ( not shown) that are fed by the autonomous feeding means. The two track belts (15) are joined together by a crossbar (16).

It is not going to go into greater detail in the description of the drive means of the track belts (15) since it is a conventional system provided with an electric motor, the drive means being located inside a protective housing ( 17) located between the two track straps (15).

The track belts (15) are jointly pivotally articulated at one end of the frame (14), through a pivot shaft (18) or pin, so that the track belt (15) can move angularly with with respect to the frame (14). This aspect is especially advantageous because it allows adapting to different angles of inclination of the possible obstacles to overcome.

In the present embodiment, the releasable joining means comprise a pair of pins (19) mounted on a support piece (20) that can move linearly protruding outward, each projecting laterally from the frame. Thus, said pins can be fitted in holes present in the back of the folding structure (2) of the chair (1).

Additionally, the track module (13) has telescopic gripping means.

folding, which are comprised of a handle (20) formed by a profile

substantially "U" shaped that extends telescopically in one direction

ascending / descending with respect to the frame (14) of the track module (13), according to the

vertical position represented in figure 5. Also the track module (13) comprises a

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pair of wheels (41) located in the lower part thereof that facilitate its movement when the caterpillar module (13) is separated from the transport chair.

In the upper part of the track module (13), more specifically in the area where the gripping means are arranged, a control panel (21) provided with a display screen is provided.

To facilitate the movement of inclination of the two track belts (15) when the chair (1) has to overcome a slope, a regulating cylinder-piston (22) is provided that is one end coupled to the track belt (15) and the opposite end is coupled by means of a pivoting pin (24) coupled in two fins (25) protruding from a crossbar (23) to the caterpillar module frame (13), as can be seen more clearly in the figures 5 and 6

To facilitate the visualization of the area surrounding the chair (1) and avoid possible blows or accidents, especially when it is being used in an area with low visibility, the caterpillar module (13) includes lighting means (26), for example , based on LED technology, which are incorporated in one of the sides of each of the track straps (15), providing a vision of the area where the chair has to move.

Additionally, the track module (13) comprises a recharge head (27) located at the bottom, which is associated with the autonomous feeding means, the recharge head (27) being provided with connection sockets (28) that they can be coupled to an external power supply device present in an anchoring device described below.

Now, with particular reference to Figures 8 and 9, an anchoring device is shown, indicated generally with reference (29), which is intended to hold the transport chair described above comprises a frame constituted by a lower base formed by a horizontal plate (30), and an anchor structure (31) protruding from the base vertically upwards, and a charging point (32) electrically powered by an external current source, the charging point (32) being provided with connections (33) that allow connecting the connection sockets (28) present in the track module (13) to carry out the electric recharge. The anchor structure includes means of

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fastening, which will be described later, configured to support the transport chair in a folded condition and in a vertical position.

As can be seen, the anchoring structure (31) is formed by a pair of separate vertical stringers that run parallel to each other, fixed each one inferiorly to the horizontal plate, and superiorly joined together by a crossbar (34) which is used as a support point to attach the transport chair.

Furthermore, going back to Figure 1, it can be seen how the anchoring device (29) includes support means provided to support a caterpillar module (13), which comprise a pair of support points located at the base formed by a support element (35) having a curved upper face. Positioning means are also provided for the rear wheels of the wheelchair located at the base of the anchoring device (29), which guarantee the correct positioning of the chair in the anchoring device (29). These positioning means consist of two sets, each consisting of a pair of stops (40) of substantially triangular prismatic geometry with a curved surface (42) that adapts to the contour of the rear wheel (8) of the chair transport (1).

The aforementioned fastening means comprise a first pair of vertical grip clamps (36) located on the vertical stringers that are part of the anchoring structure (31) and a second pair of horizontal grip clamps (37) protruding from a horizontal extension (38) that includes a grip handle (39), the clamps (36, 37) having dimensions that are complementary to the joint areas of the frame of the transport chair (1). Advantageously, the use of these clamps (36, 37) (which have a "U" shape) avoids the use of more complex fixing devices, resulting in the coupling between the anchoring structure and the single chair by means of a snap fit.

The details, shapes, dimensions and other accessory elements used in the manufacture of the transport chair assembly of the invention may be conveniently substituted by others that do not depart from the scope defined by the claims that are included below.

Claims (23)

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Anchoring device (29) for holding a transport chair provided with a driving means, in particular intended to be transported in sanitary transport vehicles, comprising: a chair (1) that has a folding structure (2) configured to be foldable and deployed, which includes a seat base (3), a backrest (5) and scroll wheels (8) located at the bottom of the folding structure (2); Y a caterpillar module (13) attachable in the folding structure (2) of the chair (1) by releasable joining means, such that the caterpillar module (13) is configured to engage / disengage the chair, the caterpillar module being ( 13) configured to provide power to the chair, and including a rechargeable autonomous power supply, characterized in that it comprises a frame that has a base and an anchoring structure (31) that protrudes vertically from the base, a charging point that can be connected to the feeding means of the track module (13), presenting the anchoring structure (31) fastening means configured to support the folding structure (2) of the transport chair when it is in a folded condition and in a vertical position with respect to the ground. 2. Anchoring device (29) according to claim 1, characterized in that it includes support means provided to support a caterpillar module (13). 3. Anchoring device (29) according to claim 2, characterized in that the support means comprise a pair of support points located in the base. 4. Anchoring device (29) according to claim 1, characterized in that the fastening means comprise at least one pair of clamps located on two sides of the anchoring structure, the clamps having dimensions that are complementary to zones of union of the frame of the transport chair. 5. Sanitary transport chair set comprising: - a sanitary transport chair provided with a drive means, in particular intended to be transported in sanitary transport vehicles, comprising: 12 5 10 fifteen twenty 25 30 35 - a chair (1) that has a folding structure (2) configured to be foldable and deployed, which includes a seat base (3), a backrest (5) and scroll wheels (8) located at the bottom of the folding structure (2); Y - a caterpillar module (13) attachable in the folding structure (2) of the chair (1) by releasable joining means, such that the caterpillar module (13) is configured to engage / disengage the chair, the caterpillar module being (13) configured to provide power to the chair, and including rechargeable autonomous feeding means. characterized in that it comprises an anchoring device according to any one of claims 1 to 4, the anchoring device being configured to hold the transport chair in a vertical position and with the structure of the transport chair in a folded condition. 6. Sanitary transport chair assembly according to claim 5, characterized in that the track module (13) comprises a frame (14) that includes the releasable joining means and at least one track belt (15) linked to drive means fed by the autonomous feeding means, the track belt (15) being articulated linked to the frame (14), such that the track belt (15) is capable of moving angularly with respect to the frame (14). 7. Sanitary transport chair assembly according to any of the preceding claims 5 to 6, characterized in that the releasable joining means comprise a pair of movable pins that protrude outward, each protruding from one side of the frame , said pins being fitted in holes present in the back of the folding structure (2) of the chair (1). 8. Sanitary transport chair assembly according to any of the preceding claims 5 to 7, characterized in that the caterpillar module (13) comprises telescopically deployable gripping means. 9. Sanitary transport chair assembly according to any of the preceding claims, characterized in that the track module (13) comprises a pair of wheels arranged in the lower part thereof. 10. Sanitary transport chair assembly according to claim 8, characterized by the fact that the gripping means comprise a handle that extends 13 5 10 fifteen twenty 25 30 35 telescopically in an up / down direction in the caterpillar module frame (13). 11. Sanitary transport chair assembly according to any of the preceding claims 5 to 10, characterized in that the track module (13) includes a control panel. 12. Sanitary transport chair assembly according to claim 11, characterized in that the control panel has a visualization screen located in the gripping means. 13. Sanitary transport chair assembly according to claim 6, characterized in that the track belt (15) is pivotally articulated at the lower end of the frame (14) of the track module (13). 14. Sanitary transport chair assembly according to claim 5, characterized in that the folding structure (2) of the chair (1) has first gripping means located at the rear of the folding structure and second means of grip located on the front of the folding structure. 15. Sanitary transport chair assembly according to claim 14, characterized in that the first gripping means comprise a pair of pivotally articulated handles on the top of the folding structure, such that in an unfolded condition, they adopt a disposition located in a plane parallel to the seat base (3). 16. Sanitary transport chair assembly according to claim 14, characterized in that the second front gripping means comprise a pair of extendable handles that extend forward, said extendable handles protruding from two lateral regions located below the seat base (3). 17. Sanitary transport chair assembly according to claim 6, characterized in that a regulating piston cylinder (22) is provided that is one end coupled to the track belt (15) and the opposite end is coupled to the frame of the track module (13). 5 10 fifteen twenty 25 18. Sanitary transport chair assembly according to claim 5, characterized in that the track module (13) includes lighting means (26). 19. Sanitary transport chair assembly according to claim 18, characterized in that the lighting means (26) are located in the track belt (15). 20. Sanitary transport chair assembly according to any of the preceding claims 5 to 19, characterized in that the track module (13) has two track straps (15) that are separated and parallel to each other, being located on two sides of the frame (14). 21. Sanitary transport chair assembly according to any of the preceding claims 5 to 20, characterized in that it comprises a recharge head (27) associated with the autonomous feeding means, the recharge head (27) being provided with connection sockets (28) attachable to an external power supply device. 22. Sanitary transport chair assembly according to claim 5, characterized in that the folding structure (2) of the chair (1) includes a folding footrest. 23. Sanitary transport chair assembly according to claim 6, characterized in that the frame (14) of the track module (13) comprises a pair of stringers separated from each other and joined through cross-members, being made of material of aluminum.