Ergonomic storage unit

Abstract

The invention concerns an ergonomic storage unit having at least one retractable container; and a mechanism configured to displace the at least one retractable container between two positions: a stowed position in which the retractable container is stowed in the storage unit; and an ergonomic position in which the retractable container is positioned in front of the storage unit and at a height which is different from that of the stowed position, in a manner such that the retractable container is more accessible as regards to height compared with the stowed position. The mechanism is configured to support the weight of the retractable container by distributing the weight on either side of the mechanism in the width direction of the retractable container, thereby establishing lateral access to the retractable container in the ergonomic position.

Claims

1. An ergonomic storage unit comprising: at least one storage box; and a mechanism configured to displace the at least one storage box between two positions: a stowed position in which the at least one storage box is stowed in the storage unit; and an ergonomic position in which the at least one storage box is positioned in front of the storage unit and at a height different from the stowed position, wherein the at least one storage box is more accessible than when positioned in the stowed position; wherein the mechanism comprises: a hoist movable in a depth direction of the storage unit by an upper hoist support and a lower hoist support; a shuttle mounted on the hoist, the shuttle movable in a height direction of the hoist, the shuttle comprising means for securing the shuttle to the at least one storage box; and an arm fixed on a fixed plane of the storage unit and fixed on the at least one storage box, the arm comprising: a first element comprising two profiles: a first profile fixed to the storage unit and a second profile slidably mounted on the first profile in the depth direction of the storage unit; and a second element comprising two profiles: a first profile fixed to the at least one storage box, and a second profile slidably mounted on the first profile in the height direction of the storage unit; wherein one end of the first profile of the second element is secured to one end of the second profile of the first element; wherein the mechanism is configured to support a weight of the at least one storage box by distributing the weight on either side of the mechanism in a width direction of the at least one storage box, thereby establishing lateral access to the at least one storage box in the ergonomic position.

2. The ergonomic storage unit as claimed in claim 1, wherein the at least one storage box comprises at least one notch cooperating with the means for securing to secure the at least one storage box to the shuttle.

3. The ergonomic storage unit as claimed in claim 2, wherein displacement of the hoist, displacement of the shuttle and displacement of the means for securing are motorized.

4. The ergonomic storage unit as claimed in claim 1, wherein the at least one storage box comprises two drawers located on either side of the hoist.

5. The ergonomic storage unit as claimed in claim 4, wherein each of the two drawers is secured by the means for securing the shuttle to the at least one storage box to a back of each of the two drawers.

6. The ergonomic storage unit as claimed in claim 1, wherein the at least one storage box comprises two drawers located on either side of the hoist, the two drawers being independent of each other, wherein the means for securing the shuttle is configured to extract either the two drawers simultaneously or one of the two drawers.

7. The ergonomic storage unit as claimed in claim 1, wherein the mechanism further comprises a counterweight device, the counterweight device comprising: a rail on which a weight slides; and a top pulley disposed above a maximum height of the at least one storage box; and a belt connected to the shuttle and to the weight, wherein a mass of the weight counterbalances a mass of the at least one storage box during vertical displacement of the at least one storage box.

8. An ergonomic storage unit comprising: at least one retractable container; and a mechanism configured to displace the at least one retractable container between two positions: a stowed position in which the retractable container is stowed in the storage unit; and an ergonomic position in which the at least one retractable container is positioned in front of the storage unit and at a height different from the stowed position, wherein the at least one retractable container is more accessible than when positioned in the stowed position; wherein the mechanism comprises: a hoist movable in a depth direction of the storage unit by an upper hoist support and a lower hoist support; and a shuttle mounted on the hoist, the shuttle movable in a height direction of the hoist, the shuttle comprising means for securing the shuttle to the at least one retractable container; wherein the mechanism is configured to support a weight of the at least one retractable container by distributing the weight on either side of the mechanism in a width direction of the at least one retractable container, thereby establishing lateral access to the at least one retractable container in the ergonomic position; and wherein the at least one retractable container comprises two drawers located on either side of the hoist.

9. The ergonomic storage unit as claimed in claim 8, wherein each of the two drawers is secured by the means for securing the shuttle to the at least one retractable container to a back of each of the two drawers.

10. An ergonomic storage unit comprising: at least one retractable container; and a mechanism configured to displace the at least one retractable container between two positions: a stowed position in which the retractable container is stowed in the storage unit; and an ergonomic position in which the at least one retractable container is positioned in front of the storage unit and at a height different from the stowed position, wherein the at least one retractable container is more accessible than when positioned in the stowed position; wherein the mechanism comprises: a hoist movable in a depth direction of the storage unit by an upper hoist support and a lower hoist support; and a shuttle mounted on the hoist, the shuttle movable in a height direction of the hoist, the shuttle comprising means for securing the shuttle to the at least one retractable container; wherein the mechanism is configured to support a weight of the at least one retractable container by distributing the weight on either side of the mechanism in a width direction of the at least one retractable container, thereby establishing lateral access to the at least one retractable container in the ergonomic position; and wherein the at least one retractable container comprises two drawers located on either side of the hoist, the two drawers being independent of each other, wherein the means for securing the shuttle is configured to extract either the two drawers simultaneously or one of the two drawers.

11. An ergonomic storage unit comprising: at least one retractable container; and a mechanism configured to displace the at least one retractable container between two positions: a stowed position in which the retractable container is stowed in the storage unit; and an ergonomic position in which the at least one retractable container is positioned in front of the storage unit and at a height different from the stowed position, wherein the at least one retractable container is more accessible than when positioned in the stowed position; wherein the mechanism comprises: a hoist movable in a depth direction of the storage unit by an upper hoist support and a lower hoist support; a shuttle mounted on the hoist, the shuttle movable in a height direction of the hoist, the shuttle comprising means for securing the shuttle to the at least one retractable container; and a counterweight device, the counterweight device comprising: a rail on which a weight slides; and a top pulley disposed above a maximum height of the at least one retractable container; and a belt connected to the shuttle and to the weight, wherein a mass of the weight counterbalances a mass of the at least one retractable container during vertical displacement of the at least one retractable container; wherein the mechanism is configured to support a weight of the at least one retractable container by distributing the weight on either side of the mechanism in a width direction of the at least one retractable container, thereby establishing lateral access to the at least one retractable container in the ergonomic position.

Description

BRIEF DESCRIPTION OF THE FIGURES

(1) The manner of carrying out the invention as well as the advantages thereof will become apparent from the following embodiments given by way of non-limiting indication and with the aid of the accompanying drawings, in which FIGS. 1 to 10 represent:

(2) FIG. 1: a perspective view of an ergonomic storage unit in accordance with a first embodiment of the invention, wherein said at least one retractable container corresponds to a storage box, said storage box being shown in the stowed position;

(3) FIG. 2: a perspective view of the ergonomic storage unit of FIG. 1, said storage box being shown in an intermediate position between the stowed position and the ergonomic position;

(4) FIG. 3: a perspective view of the ergonomic storage unit of FIG. 1, said storage box being shown in the ergonomic position;

(5) FIG. 4: a lateral sectional view of the ergonomic storage unit of FIG. 1, said storage box being shown in the ergonomic position;

(6) FIG. 5: a perspective view of an ergonomic storage unit in accordance with a second embodiment of the invention, said at least one retractable container being shown in the stowed position;

(7) FIG. 6: a perspective view of the ergonomic storage unit of FIG. 5, said at least one retractable container being shown in an intermediate position between the stowed position and the ergonomic position;

(8) FIG. 7: a perspective view of the ergonomic storage unit of FIG. 5, said at least one retractable container being shown in the ergonomic position;

(9) FIG. 8: a perspective view of the retractable container of FIG. 5;

(10) FIG. 9: a perspective view of the retaining elements for the retractable container of FIG. 5; and

(11) FIG. 10: a perspective view of the displacement mechanism for the retractable container of FIG. 5 in the ergonomic position.

DETAILED DESCRIPTION OF THE INVENTION

(12) The invention concerns an ergonomic storage unit 1a, 1b, containing at least one retractable container 100, 101, displaced between two positions by a mechanism 11, 30: a stowed position and an ergonomic position.

(13) In the remainder of the description, the ergonomic storage unit 1a, 1b will be described with reference to its height H, its depth P and its width L.

(14) When the retractable container 100, 101 is in the stowed position, as illustrated in FIGS. 1 and 5, it is completely integrated into the depth P of said storage unit 1a, 1b. When this retractable container 100, 101 is in the ergonomic position, as illustrated in FIGS. 3 and 7, it is positioned in front of the storage unit 1a, 1b at a height which is preferably in the range 800 to 900 mm. At this specific height, a user can easily access the contents of the retractable container 100, 101, even if the user has a disability or mobility problems, for example when the user is a wheelchair user.

(15) Thus, between the stowed position and the ergonomic position, the retractable container 100, 101 is firstly displaced in the depth P direction of the storage unit 1a, 1b in a manner such that the entire volume of the retractable container 100, 101 goes beyond the front face Fa of the storage unit 1a, 1b. Next, the retractable container 100, 101 is displaced in the height H direction of the storage unit 1a, 1b in a manner such as to reach the desired ergonomic height, for example between 800 and 900 mm.

(16) During this second displacement, the retractable container 100, 101 may be displaced upwardly when the retractable container 100, 101 has previously been disposed below the ergonomic height. In contrast, the retractable container 100, 101 may be displaced downwardly when the retractable container 100, 101 has previously been disposed above the ergonomic height.

(17) The mechanism 11, 30 may be configured so that the containers disposed at the level of the ergonomic height cannot be pulled out. The user can then use these containers in a conventional manner; as an example, the containers may correspond to drawers mounted on runners fixed to the lateral walls of the storage unit 1a, 1b.

(18) FIG. 1 illustrates an embodiment of the invention in which the ergonomic storage unit 1a comprises four superimposed drawers 102 at an ergonomic height and mounted on runners fixed to the lateral walls of the storage unit 1a.

(19) The ergonomic height extends between the heights 111 and 112 of the storage unit 1a between which the user can readily access the drawers.

(20) Above the height 112, the storage unit 1a comprises a retractable container corresponding to a storage box 100 extending over the entire depth P and width L available between the walls of the ergonomic storage unit 1a.

(21) The storage box 100 is movable between two positions: a stowed position shown in FIG. 1, in which said storage box 100 is stowed inside said storage unit 1a, and an ergonomic position shown in FIG. 3, in which said storage box 100 is located at the front of said storage unit 1a and at the ergonomic height. FIG. 2 in turn illustrates an intermediate position between the stowed position (FIG. 1) and ergonomic position (FIG. 3).

(22) In order to displace the storage box 100 between the stowed and ergonomic positions, this embodiment proposes the use of a mechanism forming an arm 11 supporting the weight of said storage box 100.

(23) As illustrated in FIG. 4, the arm 11 is constituted by two elements: a first element 12a constituted by two rectilinear profiles 13 and 14; and a second element 12b, also constituted by two rectilinear profiles 16 and 17.

(24) The first profile 13 of the first element 12a is in the form of a rail wherein the bottom of the groove is fixed to a fixed plane 15 of the storage unit 1a. More precisely, as illustrated in FIG. 4, the rail is fixed to the upper wall 15 of the storage unit 1a via bolts or rivets. In a variation, the storage unit 1a may be open at its upper end towards the ceiling of a room and the rail may be fixed directly to this ceiling.

(25) The second profile 14 of the first element 12a comprises an upper portion 14a which is shaped in order to provide the displacements of the second profile 14 in the rail of the first profile 13. To this end, the second profile 14 comprises, for example, wheels or a ball bearing runner. Below this upper portion 14a, the second profile 14 comprises a lower portion 14b fixed to the upper portion 14a and intended to provide the support for the storage box 100.

(26) This lower portion 14b is, for example, in the form of a plate extending in the direction towards the bottom of the storage unit 1a.

(27) A front end 19 of this plate 14b is fixed to an upper end 18 of the first profile 16 of the second element 12b. This first profile 16 is in the form of a rail, the upper end 18 of which is fixed to the plate 14b via bolts or rivets. This first profile 16 extends perpendicularly to the length of the plate 14b, i.e. in the height H direction of the storage unit 1a.

(28) A second profile 17 of the second element 12b, substantially corresponding to the shape of the second profile 14 of the first element 12a, is mounted in the rail of the first profile 16 in a manner such as to displace the storage box 100 in the height H direction of the storage unit 1a. To this end, a plate 17b of the second profile 17 is fixed to a rear portion of the storage box 100.

(29) In fact, the storage box 100 is divided into two portions: a front portion Pay, used for storage, and a rear portion Par, intended to support the storage box 100 and also being provided with several storage units located either side of said box. The front portion Pay has four levels subdivided by shelves up to a central partition 18. Behind the central partition 18, the storage box 100 comprises a groove 19 extending in the height direction of the storage box 100 from a rear face to the central partition 18. The plate 17b of the second profile 17 is fixed to partitions 19a and 19b mounted either side of the groove 19. Thus, the plate 17b may be secured with a plurality of bolts or a plurality of rivets disposed over the entire height of the storage box 100 in order to provide a secure connection between the arm 11 and the storage box 100.

(30) The disposition of the connection between the arm 11 and the storage box 100 also means that said arm 11 can be placed in the immediate vicinity of the centre of gravity of said storage box 100. This particular disposition has the advantage of limiting the turning moment generated by the distance between the centre of gravity of said storage box 100 and said arm 11.

(31) Thus, the forces applied to the second element 12b are essentially tensile forces, which limits the risk of premature wear or deformation of the parts forming the arm 11.

(32) In order to ensure a secure connection between the different parts of the arm 11, the two elements 12a and 12b are preferably produced from metallic materials the cross section of which is adapted to the weight of the storage box 100 and its maximum load.

(33) The displacements of the two elements 12a, 12b bring about the displacements of the storage box 100. These displacements may be provided mechanically in a simple manner with a linkage actuated by the user. Preferably, these displacements are motorised with geared motors coupled to each element 12a and 12b and controlled by a box disposed within reach of the user at the ergonomic height, or remotely controlled. As an example, the motors may control the displacement of gear wheels mounted on the second profiles 14 and 17 and cooperating with racks provided in the rails of the first profiles 13 and 16. In a variation, the displacement of the elements 12a and 12b may be carried out using hydraulic cylinders. Furthermore, the element 12a may be fixed to a bottom wall of the storage unit 1a by using a hydraulic cylinder to displace the first element 12a in the depth P direction.

(34) In the example of FIGS. 1 to 4, the storage box 100 is disposed above the ergonomic height in the stowed position. In a variation, a retractable storage box may also be provided below the ergonomic height H1 by using a second element 12b configured to raise the storage box 100 between the stowed position and the ergonomic position.

(35) In another example, the containers disposed below the ergonomic height H1 may correspond to an elevator intended to adjust the height of the unit, and thus the ergonomic height, as a function of the size of the user. The containers disposed below the ergonomic height H1 may also be drawn back in order to allow access in the depth direction of the unit below the ergonomic height H1, for example in order to facilitate access for a wheelchair user's legs or for the bonnet of a car when the unit is installed in a garage.

(36) FIG. 5 illustrates another embodiment of the invention, in accordance with which said storage unit 1b comprises several retractable containers 101 formed by superimposed drawers 37, 38 connected in pairs. In the same manner as in the preceding embodiment, said at least one retractable container 101 is configured so as to be displaced between the stowed position and the ergonomic position by a mechanism 30.

(37) The retractable container 101, as illustrated in FIG. 8 is constituted by a bottom 21 intended to accommodate the contents of said retractable container 101. A groove 20 extends in the retractable container 101 from the front face Fa in the direction of the depth P of said storage unit 1b. This groove 20 separates said retractable container 101 into two distinct drawers 37 and 38, distributed either side of said groove 20.

(38) The retractable container 101 is delimited at the rear by the partition 22, at the same time delimiting the volumes of the drawers 37 and 38. The retractable container 101 thus has two front partitions 23a and 23, on the front face Fa of the storage unit 1b. Preferably, the drawers 37 and 38 have identical volumes; in fact, in this particular case, the front partitions 23a and 23b will have the same dimensions.

(39) Furthermore, the compartments 37 and 38 are closed by two parallel partitions 20a and 20b positioned facing each other, either side of said groove 20. The drawers 37 and 38 are secured together by means of a panel 20c which is parallelepipedal in shape and extends in the length of said groove 20, wherein two parallel sides are fixed to said two partitions 20a and 20b.

(40) A plate 33 is fixed by means of screws or rivets to said two partitions 20a and 20b, in a manner such that said plates are located facing each other inside said groove 20.

(41) Each plate 33 comprises at least one notch 330. Preferably, the plate 33 is produced from a metallic material.

(42) Said at least one retractable container 101 is movable between two positions: the stowed position shown in FIG. 5 and the ergonomic position shown in FIG. 7. FIG. 6 in turn illustrates the retractable container 101 in the intermediate position.

(43) The displacements in the height H direction and the depth P direction of said retractable container 101 are carried out by means of the mechanism 30. As illustrated in FIGS. 9 and 10, said mechanism 30 is composed of several sub-assemblies: a hoist 31; and an upper hoist support 301; and a lower hoist support 302; and a shuttle 32.

(44) Preferably, the hoist 31 is composed of two vertical uprights, a front upright 31a, and a rear upright 31b. These two uprights 31a, 31b are parallel, and constituted by a profile with an identical section, preferably parallelepipedal. Said uprights 31a, 31b extend in the height H direction of said storage unit, between a lower wall Pi and an upper wall Ps, said lower walls Pi and upper wall Ps being illustrated in FIG. 5.

(45) In a variation, in order to limit the weight and the parallel stresses between said uprights 31a, 31b, the hoist 31 may be constituted by a single vertical upright extending in the height H direction of said storage unit between a lower wall Pi and an upper wall Ps, said lower walls Pi and upper walls Ps being illustrated in FIG. 5.

(46) As illustrated in FIGS. 9 and 10, the uprights 31a, 31b are mounted facing each other, in the same plane, in the depth P direction of said storage unit 1b. They are separated by a distance E.

(47) Said hoist 31 is secured to said storage unit 1b by a system of two hoist supports 301 and 302.

(48) The upper hoist support 301 is mounted in the direction of the depth P of said storage unit, and is constituted by two elements: a fixed element 301a; and a movable element 301b.

(49) The fixed element 301a of said upper hoist support 301 is in the form of a rail wherein the groove is fixed to a fixed plane 15 of the storage unit 1b. More precisely, the rail is fixed to the upper wall 15 of the storage unit 1b via bolts or rivets. In a variation, the storage unit 1b may be open at its upper end towards the ceiling of a room and the rail may be fixed directly to this ceiling.

(50) Said movable element 301b of said upper hoist support 301 comprises an upper portion 301s shaped in order to provide the displacements of said movable element 301b in the rail of said fixed element 301a. To this end, said movable element 301b comprises wheels or a ball bearing runner, for example. Below this upper portion 301s, said movable element 301b comprises a lower portion 301i fixed to the upper portion 301s and intended to provide the support for said hoist 31.

(51) This lower portion 301i is, for example, in the form of a plate extending in the direction towards the bottom of the storage unit 1b. A front end 310 of this plate is fixed to an upper end of the front upright 31a of said hoist 31. A rear end 311 of this plate is fixed to an upper end of the rear upright 31b of said hoist 31.

(52) Preferably, the lower portion 301i and said uprights 31a and 31b are secured by clinching, welding or by using added elements such as bolts or rivets.

(53) In the same manner, the lower hoist support 302 is mounted in the direction of the depth P of said storage unit, and is constituted by two elements: a fixed element 302a; and a movable element 302b.

(54) The fixed element 302a of said lower hoist support 302 is in the form of a rail, wherein the groove is fixed to the lower wall Pi of the storage unit 1b. More precisely, the rail is fixed to the lower wall Pi of the storage unit 1b via bolts or rivets. In a variation, the storage unit 1b may be open at its lower end towards the floor of a room and the rail may be fixed directly to this floor.

(55) Said movable element 302b of said lower hoist support 302 comprises a lower portion 302i which is shaped in order to establish the displacements of said movable element 302b in the rail of the first element 302a. To this end, said movable element 302b comprises wheels or a ball bearing runner, for example. On this lower portion 302i, said movable element 302b comprises an upper portion 302s fixed to the lower portion 302i and intended to provide the support for said hoist 31.

(56) This upper portion 302s is, for example, in the form of a plate extending in the direction towards the top of the storage unit 1b. A front end 320 of this plate is fixed to a lower end of the first vertical upright 31a of said hoist 31. A rear end 321 of this plate is fixed to a lower end of the second vertical upright 31b of said hoist 31.

(57) Preferably, the fixing elements between the upper portion 302s and said uprights 31a and 31b are bolts or rivets.

(58) In this configuration, the system constituted by said hoist supports 301, 302 therefore allow the hoist 31 to be displaced in the depth P direction of said storage unit 1b.

(59) The displacements of the hoist 31 may manually actuated by the user with the aid of a linkage system. Preferably, these displacements are motorised with geared motors coupled to each element 301b and 302b and controlled by a box disposed within reach of the user at the ergonomic height, or remotely controlled. As an example, the motors may control the displacement of gear wheels mounted on the movable elements 301b and 302b, and cooperating with racks provided in the rails of the fixed elements 301a and 302a. In a variation, the displacement of the hoist supports 301 and 302 may be carried out using hydraulic cylinders.

(60) As illustrated in FIG. 9, the shuttle 32 is constituted by two plates 325, 326, these two plates being symmetrical with respect to the plane of said hoist 31, and are mounted either side of said hoist 31. The length of each plate 325, 326 extends from the rear end of said first upright 31a to the front end of said second upright 31b. Preferably, the height of each plate 325, 326 is equal to or greater than the height of said retractable container 101.

(61) In the space between the two plates 325, 326 is a securing means 34, fixed to said plates 325, 326 by means of rivets or screws.

(62) Said securing means 34 cooperates with said notches 330 to fix said shuttle 32 to said retractable container 101. Preferably, said securing means 34 comprises a lug which can move on the surface of each plate 325, 326. This movable lug is retractable into the space E, and its shape is complementary to that of said notches 330.

(63) Said movable lug can be manoeuvred by the user with a linkage system, or is preferably moved by a geared motor controlled by the control box of said storage unit 1b.

(64) Advantageously, in accordance with another embodiment, which is not shown, the plate 33 may comprise two lugs fixed perpendicular to said plate 33 and capable of being connected to a system of hooks. Facing each fixed lug, this system of hooks comprises a hook located between the plate 33 and the movable shuttle 32. Said hook is rotatably mounted on an axis parallel to said at least one fixed lug and is capable of being fixed to said at least one fixed lug under the control of the user. Said hook may be controlled either manually by the user by means of a mechanical linkage system or, as is preferable, via a geared motor located between the two plates 325, 326 and controlled by said control box of said storage unit 1b.

(65) In a variation, said system of hooks may be replaced by a system of sliding latches comprising, facing each lug fixed between the plate 33 and the movable shuttle 32, a fork provided with a central groove directed in the depth P direction. In order to secure said shuttle to said retractable container 101, said fork is displaced in the depth P direction of said unit 1b in order to surround said fixed lug. Each fork is actuated by a cam connected to a pinion which is rotated by a geared motor incorporated into said shuttle 32 inside the space E. Advantageously, said geared motor is controlled by said control box of said storage unit 1b.

(66) On the other hand, in the space E, the shuttle 32 contains displacement means such as at least one caster or a slide, not shown, configured in order to roll on the inner faces 31a1 and 32bi of said vertical uprights 31a and 31b. Preferably, the inner faces 31a1 and 32bi are in the form of racks cooperating with said at least one caster.

(67) The vertical displacements of said shuttle 32 on said hoist 31 are controlled by the user via a mechanical linkage system. Preferably, these displacements are motorised with geared motors coupled to casters R and controlled by the box disposed within reach of the user at the ergonomic height, or remotely controlled. In a variation, these displacements may be carried out using hydraulic cylinders.

(68) As commanded by the user, the shuttle 32 is positioned facing said retractable container 101 and is connected to it by means of the securing means 34. The hoist 31 is then translated in the direction of the depth P to the front of said storage unit 1b, then said shuttle 32 is displaced to the ergonomic height 111, in a manner such as to present said retractable container 101 at a position which is comfortable for the user.

(69) FIG. 10 represents a view of a retractable container 101 connected to the shuttle 32, and positioned in the ergonomic position.

(70) Advantageously, in accordance with another embodiment, not shown, said ergonomic storage unit 1a, 1b also comprises a counterweight comprising a rail on which a counterweight slides, a top pulley disposed above the maximum height of said at least one retractable container, and a belt connected to the shuttle 32 and to the counterweight, in a manner such as to counterbalance the weight of said storage box 100 or said retractable container 101 as it is displaced in the height H direction. This counterweight system can advantageously be used to limit, on the one hand, the energy consumption necessary to displace said shuttle 32, and on the other hand to increase the useful load capacities in each retractable container 101.

(71) In the example of FIGS. 5 to 10, said retractable container 101 is composed of two drawers 37, 38 located either side of said hoist 31 and secured via their backs 22.

(72) In a variation, said two drawers 37 and 38 of said retractable container 101 are independent of each other. In this case, said shuttle comprises two securing means 340 and 341 which are symmetrical with respect to the plane of the hoist, and fixed to the shuttle in the space E. These two securing means 340 and 341 enable the user to connect the assembly of said two drawers 37 and 38 to the shuttle or alternatively, one of the two. Thus, the user may elect to pull out the assembly of the two drawers 37 and 38 to the ergonomic position, or to pull out only one of them.

(73) The invention thus concerns an ergonomic storage unit comprising a mechanism designed to bring at least one retractable container into an ergonomic position, without limitation to either the depth or the admissible load, by distributing the volume of said retractable container either side of said mechanism.