WO2021214412A1

WO2021214412A1 - Mobile baggage-transporting device

Info

Publication number: WO2021214412A1
Application number: PCT/FR2021/050694
Authority: WO
Inventors: Soraya AHMED
Original assignee: Apdmedical
Priority date: 2020-04-21
Filing date: 2021-04-21
Publication date: 2021-10-28
Also published as: FR3109281A1; EP4139197A1

Abstract

The mobile transporting device (1) comprises a receiving arrangement (7) for an item of baggage (2), a chassis attached to said receiving arrangement (7), a steering arrangement (10) for steering said device, the chassis being a sliding chassis (20) arranged in such a way that the steering arrangement (10) moves relative to the receiving arrangement (7) so as to adopt a folded position or a deployed position. Application: transporting baggage in airports and hospitals.

Description

MOBILE LUGGAGE TRANSPORTATION DEVICE

TECHNICAL FIELD OF THE INVENTION

The present invention relates to a mobile transport device comprising a reception arrangement for a piece of luggage, a locomotion arrangement attached to said reception arrangement, a steering arrangement for directing said device.

STATE OF THE PRIOR ART

[0002] Such a device finds important applications, for example: in hospital settings, many objects must be transported such as medicines, computers, dressings etc., in travel, we often have to deal with heavy and cumbersome suitcases what happens at airports where connecting journeys can be very long.

[0003] To avoid this pain of transporting more or less heavy loads, it has been proposed to use a mobile suitcase driven by a motor and which can serve as a seat when traveling. On this subject, the Chinese document CN208550268 U can be consulted.

However, this known mobile device is therefore essentially constituted by a suitcase to which are attached means of locomotion and means of direction. The user is seated directly on his suitcase.

[0005] A first drawback is that the suitcase supports an overload which is liable to deform it and, therefore, cause the objects it contains to settle.

[0006] A second drawback is that the means of locomotion and direction create an additional weight load that the user must bear.

DISCLOSURE OF THE INVENTION

The present invention aims to provide a device of the type mentioned in the preamble providing greater comfort to the user and overcoming the aforementioned drawbacks to a large extent. For this, such a device is remarkable in that the steering arrangement cooperates with a sliding assembly to move vis-à-vis the reception arrangement so as to put itself in the folded or deployed position . [0009] Thus, the advantage is obtained that the device is less bulky when not in use.

An embodiment according to the invention according to which there is provided a bench arrangement for a user located between the reception arrangement and the management arrangement provides the advantage that the user can benefit from. a seated position without leaning on the luggage, which provides greater comfort. [0011] Another embodiment according to which latching means are provided to maintain and allow the detachment of said baggage from the reception arrangement.

BRIEF DESCRIPTION OF THE FIGURES

The following description accompanied by the accompanying drawings, all given by way of non-limiting example will make it clear how the invention can be achieved, in the drawings:

[Fig. 1] shows a mobile device according to the invention in the deployed position, perspective view,

[Fig. 2] shows a mobile device according to the invention in the folded position, perspective view,

[Fig. 3] shows the separation of the baggage from the reception arrangement,

[Fig. 4] shows a front view of the device of the invention,

[Fig. 5] shows a side view of the device of the invention,

[Fig. 6] shows a longitudinal section of a sliding frame of the device of the invention,

[Fig. 7] shows a detail of figure 8,

[Fig.8] shows a section along VIII-VIII of Figure 6,

[Fig. 9] illustrates in three dimensions a piston of the sliding frame,

[Fig. 10] shows a three-dimensional exploded view of the frame of figure 6,

[Fig. 11] shows a three-dimensional view of the reception arrangement of FIG. 3, [FIG. 12] illustrates a rear view of the baggage of Figure 3, [Fig. 13] is a sectional view of the lower part of the luggage of Figure 12,

[Fig. 14] shows a detail XIV of figure 13.

The elements common to all the figures bear the same references.

DETAILED DESCRIPTION OF AN EMBODIMENT [0014] The device of the invention 1 shown in FIG. 1 is formed by a reception arrangement 7 on which is placed a piece of luggage 2. This piece of luggage 2 comprises, here, two doors. 5 and 6, one of which is door 5 open. Other 5,6 door arrangements are possible, such as a single door or three and more doors. To this reception arrangement 7 is attached a motorized sliding frame 20 to drive the device of the invention 1. This will be shown later in the description of the present invention. Associated with this reception arrangement 7 is a steering arrangement 10 consisting essentially of a handlebar 12 secured to or attached to a steering rod 13 acting on two steering wheels 14 and 15. As a variant, the wheels 14,15 are driving. On the other hand, the two wheels 14,15 are easily removable to allow maintenance or even replacement. For example, the two wheels 14,15 are clipped onto their axle, the unclipping being effected by pressing an unclipping button provided for this purpose. In an alternative embodiment, provision is made for the steering arrangement 10 to include a wheel suspension system 14,15. This suspension system is, for example, of the semi-rigid type so as to allow good cornering and good filtration of vibrations caused by unevenness of the ground and possible slippage on the latter.

The steering arrangement 10 is separate, in the deployed position, as shown in Figure 1 from a distance, through the sliding frame 20 allowing movement indicated by the double arrow 20b. The device of the invention 1 comprises a bench arrangement 30 formed of two parts 30a and 30b which provide a location for the handlebars when the steering arrangement is in the folded position. There is also provided a footrest arrangement 40 formed of two parts 40a and 40b fixed at least in rotation on the walls of the sliding frame 20. In an alternative embodiment, the two parts 40a, 40b are mounted in translation on the walls of the. sliding frame 20. Such an arrangement of the footrest arrangement 40 makes it possible to adjust the latter to a morphology of a user of the device 1 according to the invention. On the other hand, here the footrest arrangement 40 is positioned behind the steering arrangement 10. Only the part 40a is visible in FIG. 1. The other part 40b being on the other wall. These parts 40a and 40b are folded over the walls of the sliding frame 20 to allow the device 1 of the invention to be placed in the folded position.

The reception arrangement 7 comprises a housing 50 to house a control and pilot unit as well as an accumulator in order to act on a driving wheel 60, here in the form of a wheel motor known in itself, not shown in this figure 1. There is also provided a crutch system 70 disposed at the rear of the reception arrangement 7. This crutch system folds up, either manually or automatically, when the device is moved. Such a crutch system 70 is known per se and will not be developed further. As an alternative embodiment, the stand system 70 is integrated into the steering arrangement 10. In the deployed position, the stand system 70 makes it possible to maintain the stability of the device 1 according to the invention when the latter is parked.

[0017] Figure 2 shows the device of the invention in the folded position. The handlebars 12 come on top of the bench arrangement 30 and the steering rod 13 fits into the gap between the two parts 30a and 30b. The latter are shown here in the deployed position of use. In this deployed position of use, the bench arrangement 30 forms a seat on which a user of the device 1 according to the invention can sit.

More specifically, with reference to Figure 11, the bench arrangement 30 is installed in a vertical support 3 of the reception arrangement 7. The vertical support 3 has two openings 301 extending longitudinally separated by a upright 303. Vertical faces of the openings 301 include a series of holes 302 uniformly distributed over a height of the openings 301. The part 30a of the bench arrangement 30 has a first upper seat member 31a and a second lower leg member 32a. The seat element 31a is mounted in a pivot connection, at a lower end, with an upper end of the foot element 32a, along a hinge axis 33a. A lower end of the foot element 32a is rotatably mounted in a pivot connection about an axis of rotation 34a in a pair of holes 302 of one of the openings. 301 which is associated with the part 30a of the bench arrangement 30. Likewise, an upper end of the seat element 31a is rotatably mounted in a pivot connection about an axis of rotation 35a in a pair of holes 302 of the 'opening 301 associated with the part 30a of the bench arrangement 30. In order to adjust the bench arrangement 30 in position, or to put it in a folded up storage position, at least one of the axes of rotation 34a, 35a is disengageable in order to allow it to be positioned in another pair of holes 302 of the opening 301 associated with the part 30a.

What has just been described for part 30a is valid, mutatis mutandis, to part 30b which is symmetrical, or even identical to it, of the bench arrangement 30. In the stowed position of the arrangement of the arrangement bench 30, the parts 30a and 30b are housed in their associated openings 301, in a thickness of the vertical support 3 of the reception arrangement.

[0020] Figure 3 shows how the baggage 2 separates from the reception arrangement 7.

Preferably, the baggage 2 is provided with four rollers 80, 81, 82 of which only the rollers 80 and 81 are visible in this figure 3. Each of these rollers is housed in the cells 90,91, 92 ... provided in the reception arrangement 7. The baggage 2 is locked using a locking system cooperating with at least one opening 100 formed in a rim of the reception arrangement 7, this at least opening 100 forms the latching means. In an alternative embodiment, the rollers 80, 81, 82 are retractable in the luggage 2.

[0022] In another embodiment of the baggage 2, the latter comprises energy supply means which are specific to it and which are integrated within a volume of the baggage 2.

Referring to Figures 12 to 14, we will describe the aforementioned locking system. The latter is integrated into the luggage 2. It comprises, in an upper part of the luggage 2, an unlocking handle 85. In the lower part 83 of the luggage 2 in which the rollers 80, 81, 82 are positioned, the latter comprises at least a locking pin 88 mounted to slide here horizontally in the lower part 83. This locking pin 88 slides against an elastic return means 21, here a spring, itself resting at the level of a opposite end on a plug 89 forming means for retaining the assembly thus formed. The elastic return means 21 ensures that a locking end of the locking pin 88 extends projecting laterally from the lower part 83 as illustrated in the figures. The locking end of the locking pin 88 is intended to cooperate with the associated opening 100 made in the rim of the reception arrangement 7. An unlocking / locking movement of the locking pin 88 is controlled by the handle. unlocking 85 via a linkage 86 running through the walls of the baggage 2. At the level of the locking pin 88, the linkage 86 comprises a control finger 87 of said locking pin 88 to slide the latter against the associated spring 21.

Preferably, here, illustrated, the baggage 2 comprises four locking pins 88, each located in the vicinity of the rollers 80, 81, 82.

[0025] Figure 4 shows a front view of the device of the invention. This figure clearly shows the position of the driving wheel 60.

Figure 5 shows a profile view of the device of the invention explaining the position of this drive wheel 60.

Referring to Figures 6 to 10, we will describe in more detail the sliding frame 20 of the device 1 according to the invention. The sliding frame 20 is formed of two sliding parts relative to each other and forming a cylinder arrangement. To this end, the sliding frame 20 comprises a piston 205 slidably mounted in a sleeve 202.

The sleeve 202 is connected fixed to the steering arrangement 10 at the level of a bottom 206. The sleeve 202 is formed of two side walls 207 extending facing each other at a distance and of parallel manner and projecting from the bottom 206. Thus a longitudinal slot 210 is formed between the two side walls 207. Each of the walls 207 comprises along their upper and lower edges guide means 220 of the piston 205. At the level of one end opposite the bottom 206, the sleeve 202 comprises stop means 203 mounted at the free end of the side walls 207. The guide means 220 extend over a length of the side walls 207. They are formed of four sets, here, two per side wall 207. Each set comprises a slide 221 fixed in the side wall 207 using fixing means 222, here in the form of screws or bolts. Each assembly further comprises a profile, continuous or not, guide 223 projecting from a friction face of the slideway 221. The guide profile 223 is mounted in the slideway against spring means. 224.

For its part, the piston 205 of the sliding frame 20 is connected fixed to a support 201 intended to receive, during assembly of the device 1 according to the invention, the reception arrangement 7. On the other hand , on the piston 205, is mounted movably against means forming a damper 61, the drive wheel 60. The piston 205 is here in the form of a rectangular parallelepiped with four cut edges 254 on a lateral periphery. From each of the cut edges 254, the piston 205 here includes an arm 251 projecting from the associated cut edge 254. The arm 251 carries at the free end a sliding shoe 252 comprising a longitudinal groove 253. When the piston 205 slides in the sleeve 202, the sliding shoes 252 bear on their associated slideway 221, the guide profile 223 being received in the longitudinal groove 253 of the sliding shoe 252. Note that during a sliding of the piston 205 in the sleeve 202, the drive wheel 60 is received in the longitudinal slot 210 between the two side walls 207. The piston slides between the bottom 206 and the means forming a stop 203.

The stop means 203 are mounted, here, removably at the free end of the side walls 207. This allows easy assembly and disassembly of the reception arrangement 7 of the steering arrangement 10, in particular during servicing or maintenance of the device 1 according to the invention, and in particular of the sliding frame 20.

The movement of the piston 205 in the sleeve 202 is motorized using a motorization not shown in the figures. This motorization can be produced in different ways: electric screw jack housed in the side walls 207 between the two guide means 220 of each of said walls, motor mounted on the piston 205 driving gears engaging on racks fixed on one face internal side walls 207 between the two guide means 220 of each of said walls. Other motorization possibilities are possible. The invention is of course in no way limited to the example described given purely as an indication and many modifications can be easily made by those skilled in the art without departing from the scope of the invention.

Claims

1. Mobile transport device (1) comprising a reception arrangement (7) for a piece of luggage (2), a frame attached to said reception arrangement (7), a steering arrangement (10) for directing said device characterized in that the frame is a sliding frame (20) arranged so that the steering arrangement (10) moves vis-à-vis the receiving arrangement (7) in order to move into the folded or extended position and in that the reception arrangement is in the form of a platform for supporting and securing the luggage on its lower part in a removable manner.

2. Mobile device according to claim 1 characterized in that there is provided a bench arrangement (30) for a user located between the reception arrangement (7) and the management arrangement (10).

3. Mobile device according to claim 2 characterized in that the bench arrangement (30) is formed in two parts (30a, 30b) spaced apart by a certain space provided to accommodate the steering arrangement (10) in the folded position. .

4. Mobile device according to claim 1 or 2 or 3 characterized in that there is provided a footrest arrangement (40) for a user located between the reception arrangement (7) and the steering arrangement ( 10).

5. Mobile device according to claim 4 characterized in that said footrest arrangement (40) is fixed on said sliding frame (20).

6. Mobile device according to one of claims 1 to 5 characterized in that there are provided cells (90, 91, 92) at the lower part of the reception arrangement (7) for luggage wheels ( 80, 81, 82).

7. Mobile device according to one of claims 1 to 6 characterized in that there is provided latching means (100) to maintain and allow the detachment of said baggage (2) relative to the reception arrangement ( 7).

8. Mobile device according to one of claims 1 to 7 characterized in that the sliding frame (20) comprises a drive wheel (60) driven by an electric motor.

9. Mobile device according to claim 1 characterized in that the steering arrangement is formed from two wheels (14, 15).

10. Mobile device according to one of claims 1 to 9 comprising crutches (70).