TELESCOPIC DEVICE FOR MANUALLY PICKING UP OBJECTS

Abstract

The invention relates to a device 1 for the manual retrieval of objects comprising: a telescopic tube 2, a handle 30, a gripper 4 comprising two jaws 41a, 41b movable between an open and a closed position, and an actuation mechanism for the gripper 4 comprising: - an actuating lever 51 comprising a rack which drives a toothed wheel; and, - an actuating cable 54 driven by the toothed wheel allowing the jaws 41a, 41b to move from the open to the closed position. Such a device is portable, easily handled, and compact to facilitate its transport and storage. Figure 1

Description

Title of the invention: TELESCOPIC DEVICE FOR THE MANUAL PICKUP OF OBJECTS technical field

[0001] The present invention relates to the field of object collection, and more particularly to the manual collection of waste located on the ground, for example on sidewalks or in ditches. The invention relates more particularly to a telescopic grabber for collecting such waste. PREVIOUS STATE OF THE ART

[0002] For many years, the use of collection devices such as grabbers, allowing a user to grasp waste without having to bend down, has been known, particularly for collecting waste from the ground. These devices generally comprise a handle. One end of the handle includes a grip with actuating means, and the other end has a grabber forming a movable jaw capable of moving between a closed position when the actuating means are activated by the user and an open position when the actuating means are released by the user.

[0003] Although these devices are generally effective for waste collection, they are relatively bulky when not in use. In particular, they are not suitable for children, who can be effective in keeping a city clean. They are not always adapted to the environment in which they are used, which may be ditches, embankments, or lawns. Furthermore, their storage requires a relatively large amount of space. Such devices are therefore not satisfactory.

[0004] An object of the invention is to provide a waste collection device that is easily adaptable to the user and the environment in which it is used and easily transportable. Description of the invention

[0005] An object of the present invention is to provide a device for collecting objects, and in particular waste, which is portable and easily handled as well as compact in the retracted position in order to facilitate its storage.

[0006] To this end, the invention proposes a device comprising:

[0007] - a tube comprising at least three parts, preferably six parts, that can be telescoped between them;

[0008] - a handle intended to be held by a user and comprising an integral body from one end of the tube;

[0009] - a clamp fixed to a second end of the tube, said clamp comprising two jaws, at least one of which is movable in rotation relative to the second end of the tube around an axis of rotation between a spread position and a closed position;

[0010] - a mechanism for actuating the clamp;

[0011] - a cable for actuating the gripper; and,

[0012] - winding means for the cable, driven by the actuation means and arranged so that the passage of the actuation mechanism from a released position to an actuation position causes the cable to wind and the jaws to move from the open position to the closed position;

[0013] the actuation mechanism comprising means for returning the jaws to the open position when the actuation mechanism moves from the actuated position to the released position.

[0014] The two jaws can be mobile, and preferably each mobile around a respective axis of rotation.

[0015] The winding means advantageously include means for rotational return so that they allow the cable length to be adjusted when the tube is deployed or returned to the retracted position.

[0016] Furthermore, the device may be such that:

[0017] - the actuation mechanism includes a movable actuation lever mounted in rotation relative to the body, between the relaxed position, and the actuated position and at least one first rack;

[0018] - the winding means comprise a first movablely mounted toothed wheel rotating around an axis of rotation mounted fixed relative to the body, the first rack of the actuating lever not cooperating with said first toothed wheel in said released position of the actuating lever;

[0019] - the actuation cable comprising a first end fixed to the first toothed wheel and a second end secured with each movable jaw, the cable being designed to be wound around the first toothed wheel when the first toothed wheel rotates in a first direction of rotation and to be unwound from the first toothed wheel when the said first toothed wheel rotates in a second direction of rotation;

[0020] and in which the passage of the actuating lever from the released position to the actuated position causes the rotation of the first toothed wheel in the first direction of rotation, the winding of the cable and the passage of the jaws from the open position to the closed position.

[0021] Furthermore, the device may be such that:

[0022] - the parts of the tube extend coaxially along a longitudinal axis of the device, and are mobile in translation relative to each other along the longitudinal axis to take a retracted position or an unfolded position;

[0023] - the rotary return means include a spiral spring;

[0024] - the first toothed wheel includes a first central bore for the passage of its axis of rotation, a first cylinder carrying teeth cooperating with the first rack, and, a second cylinder;

[0025] - this second cylinder includes, on its outer periphery, a gutter winding mechanism for the cable, and, inside it, a housing in which the spiral spring is housed;

[0026] - this spiral spring comprises a central part fixed to the axis of rotation of the first wheel and an outer part fixed to an inner surface of the second cylinder delimiting the housing, the spiral spring exerting a restoring force in the first direction of rotation on the first toothed wheel relative to the axis of rotation of the first wheel, so that by controlling the rotation of the first toothed wheel it allows the length of the cable to be adjusted when the tube is deployed or brought back to the retracted position.

[0027] The lever may include a second rack extending substantially parallel to the first rack, and the mechanism may include a second toothed wheel mounted movable in rotation about the axis of rotation of the first wheel, the second rack not cooperating with the second toothed wheel in the released position of the lever.

[0028] The second gear advantageously comprises a second central bore extending coaxially with the first central bore for the passage of the rotation axis of the first gear, a first cylinder carrying teeth cooperating with the second rack, and a second cylinder in the form of a wall intended to close the housing of said first gear.

[0029] The clamp advantageously includes a support carrying the axes of rotation of the jaws, the means for returning the jaws to the open position comprising an axial spring disposed between the jaws and a stop provided in the support such that when the actuation mechanism passes from the actuated position to the released position, the axial spring exerts a force between the jaws and the stop causing the jaws to pass from the clamped position to the open position.

[0030] Preferably, a device according to the invention has a total length, measured along the longitudinal axis, of less than twenty-five centimeters in the retracted position. Brief description of the drawings

[0031] The features of the invention mentioned above, as well as others, will become clearer upon reading the following description of an example of implementation, the said description being made in relation to the attached drawings, among which:

[0032] [Fig-1] is a perspective view of a device for picking up objects according to the invention, the device being deployed and in a spread-away position;

[0033] [Fig.2] is a perspective view of the device in [Fig.1], the device being deployed and in a tight position;

[0034] [Fig.3] is an exploded and perspective view of the device of [Fig.1], the device being retracted and in a retracted position;

[0035] [Fig.4] is an exploded view and details of the device's actuation mechanism according to the invention;

[0036] [Fig.5] is another exploded view and details of the actuation mechanism of the device according to the invention;

[0037] [Fig.6] is a perspective view of the device in [Fig.1], the device being retracted and in a retracted position;

[0038] [Fig.7] is a side view in section of the device of [Fig.6];

[0039] [Fig.8] is a perspective view of the device in [Fig.1], the device being retracted and in a closed position; and

[0040] [Fig.9] is a side view in section of the device of [Fig.8].

[0041] DETAILED DESCRIPTION OF AN IMPLEMENTATION EXAMPLE

[0042] Figures 1 to 9 show a device 1 according to the invention for collecting objects, and more particularly waste. The device 1 comprises a tube 2. The tube 2 is telescopic and comprises at least two parts 21a - 21f extending coaxially along a longitudinal axis X of the device 1. The parts 21a - 21f are movable in translation relative to each other along the longitudinal axis X.

[0043] In this example, the tube 2 comprises six parts 21a, 21b, 21c, 21d, 21e, and 21f. To provide an optimized footprint, parts 21a–21f are nested within one another. In other words, part 21f, with the largest diameter, is located on the outermost side, while part 21a, with the smallest diameter, is located on the innermost side of the telescopic tube 2. In an alternative configuration, the reverse is also possible.

[0044] The telescopic tube 2 can assume a retracted position as illustrated in Figures 6 to 9 and an extended position, as illustrated in Figures 1 and 2. Figures 1 and 2 illustrate the device 1 in the extended position, and more specifically a maximum extended position. In the retracted position, parts 21a - 21f are inserted into one another to ensure minimal bulk. From the retracted position, it is possible to move parts 21a - 21f translationally relative to each other so as to provide the tube 2 with an extended position. It is understood that the extended position is a position of the tube 2 located between the retracted position (figures 6 to 9) and the maximum deployed position (figures 1 and 2). It is conceivable that tube 2 can be used in any deployed position between the retracted position and the maximum deployed position, or at predetermined positions, for example located at each junction between parts 21a - 21f of tube 2.

[0045] A first end 22a of the tube 2, located at the part 21f of the tube 2 having the highest diameter, carries a handle 3, having a substantially cylindrical shape and extending coaxially to the longitudinal axis X of the device 1. A second end 22b, axially opposite to the first, carries a clamp 4.

[0046] The handle 3 comprises a body 30 having a central tubular cavity 31 extending straight and coaxially to the longitudinal axis X. The central cavity 31 is designed to receive the tube 2 in a retracted position so as to limit the overall size of the device 1 to substantially the dimensions of the handle 3 and the clamp 4 described below. In this example, the cavity 31 of the body 30 receives substantially the entire portion 21f of the tube 2.

[0047] Preferably, the body 30 of the handle 3 has an ergonomic shape that makes it easier for the user to grip the device 1.

[0048] The second end 22b of the tube 2, located at the portion 21a of the tube 2 with the smaller diameter, carries the gripper 4, which is used to grasp objects. The gripper 4 comprises at least two jaws that rotate about the tube 2, each about an axis of rotation. In this example, the gripper 4 comprises a first 41a and a second 41b jaws that rotate about a first axis 412a and a second axis 412b of rotation, respectively. The first 412a and second 412b axes of rotation are generally parallel to each other and are also generally perpendicular to the longitudinal axis X of the device 1.

[0049] In this example, a support 42 is fixed to the second end 22b of the tube 2 and carries the first 412a and second 412b axes of rotation of the jaws 41a, 41b. Optionally, the support 42 can be mounted to rotate relative to the second end 22b of the telescopic tube 2 to orient the gripper 4.

[0050] The ends 410a, 410b of the jaws 41a, 41b located at the support 42 are mounted articulated around the same actuating axis 411. The actuating axis 411 is here disposed in the support 42 and is connected to an actuating cable 54 described in more detail later in this description.

[0051] The jaws 41a and 41b of the gripper 4 are movable between a spread position (illustrated in Figures 1, 6 and 7), also called the open position, and a closed position tight (illustrated in figures 2, 8 and 9) corresponding to a closed or partially closed position of clamp 4.

[0052] In the spread position, the jaws 41a and 41b are spaced apart from each other by a first distance dmax corresponding to the maximum opening of the gripper 4. The spread position makes it easier in particular to approach and position the gripper 4 above the object(s) so as to facilitate their pickup.

[0053] Once the gripper 4 is correctly positioned relative to the object, the jaws 41a and 41b can be moved, via the actuation mechanism 5 described below, from the open position to the closed position which allows the object to be grasped.

[0054] The clamped position corresponds to a smaller gap between the jaws 41a, 41b than in the spread position. Thus, the gripper 4 can provide a clamped position in which the jaws 41a, 41b are separated by a distance dmax less than the maximum distance dmax of the spread position. The clamped position is therefore variable depending on the gap between the jaws 41a and 41b, which notably allows for gripping objects of varying dimensions.

[0055] In order to ensure optimal gripping of objects, the jaws 41a and 41b each comprise a plurality of teeth 413 extending over the faces of the jaws 41a and 41b facing each other.

[0056] The device 1 includes an actuation mechanism 5 for the gripper 4, enabling the jaws 41a, 41b of the gripper 4 to be moved between the open and closed positions. The actuation mechanism 5 includes, firstly, an actuating lever 51, also called a trigger, which is actuated by the user and is integral with the handle 3. The actuating lever 51 is mounted to rotate relative to the body 30 of the handle 3 about a third axis of rotation 511. More precisely, the lever 51 includes a body 510, a first end 510a of which is integral with the third axis of rotation 511, which is here located substantially at the end 30a of the body 30 situated on the side of the tube 2.The third axis of rotation 511 of the lever 51 extends substantially perpendicularly to the longitudinal axis X of the device 1 and has a spring 515 enabling the lever to automatically return from the actuated position to the released position described below when the user releases it.

[0057] The actuation lever 51 is movable between a relaxed position, illustrated in figures 1, 6 and 7, which here corresponds to the open position of the clamp 4 and an actuated position, illustrated in figures 2, 8 and 9, which here corresponds to the closed position of the clamp 4.

[0058] In the released position of the actuating lever 51, the third maximum distance between the second end 510b of the actuating lever 51, i.e. the end opposite the first end 510a cooperating with the third axis of rotation 511 of the actuating lever 51, and the free end 30b of the body 30 is at its maximum. When the actuating lever 51 is actuated, moving it from the released position to the actuated position, the fourth distance between the second end 510a of the actuating lever 51 and the free end 30b of the body 30 decreases and is therefore less than the third distance of max.

[0059] As particularly illustrated in [Fig.4], the actuating lever 51 comprises, at a second end 510b, a post 512 extending substantially perpendicularly to the body 510 of the lever 51 in the direction of the body 30 of the handle 3. The post 512 carries a first rack 513 and a second rack 514 which extend substantially parallel and which have teeth generally oriented towards the third axis of rotation 511 of the lever 51.

[0060] The mechanism 5 further comprises a first 52 and a second 53 gear wheel. The first gear wheel 52 comprises a first central bore 521 and the second gear wheel 53 comprises a second central bore 531, extending coaxially with the first central bore 521. The gear wheels 52 and 53 are fixedly mounted relative to each other and pivot together about a fourth axis of rotation 520 fixedly mounted relative to the body 30 of the handle 3. Thus, the first 52 and second 53 gear wheels pivot jointly, i.e., in a synchronized manner. The fourth rotation axis 520 is threaded into the central bores 521 and 531 and is disposed in the body 30. More particularly, the fourth rotation axis 520 is fixed relative to a housing 301 (visible in figures 3 to 5) provided in the body 30 in which the first 52 and second 53 gear wheels and the fourth rotation axis 520 are received.The fourth axis of rotation 520 extends substantially perpendicularly to the longitudinal axis X of the device 1.

[0061] The first gear 52 cooperates with the first rack 513, while the second gear 53 cooperates with the second rack 514. Thus, when the actuating lever 51 is moved between the released and actuated positions, and vice versa, the racks 513 and 514 drive the gears 52 and 53 in rotation about the fourth axis of rotation 520. After assembly of the first 52 and second 53 gears, they can be considered as forming a single gear with teeth 523a and 533a on each side of the gear. In one embodiment, the first 52 and second 53 gears are a single unit.

[0062] More specifically, and as illustrated in Figures 4 and 5, the first gear 52 comprises a first cylinder 523 carrying teeth 523a. The first gear 52 comprises a second cylinder 525, juxtaposed to the first cylinder 523. The second cylinder 525 comprises, on its outer surface, or periphery, a groove or channel 525a in which an actuating cable 54, described in more detail below, is wound. The second cylinder 525 also comprises, inside the The second cylinder 525 has a housing 525b in which a spiral spring 55, described below, is housed. The housing 525b extends substantially coaxially with the fourth axis of rotation 520.

[0063] The second gear 53 has a first cylinder 533 carrying the teeth 533a to which is juxtaposed a second cylinder 535 in the form of a wall 535 intended to close the housing 525b of the first gear 52 when the gears 52 and 53 are assembled on the fourth axis of rotation 520.

[0064] When the actuating lever 51 is in the released position, the first 513 and second 514 racks do not cooperate with the first 52 and second 53 gears. More precisely, the first 513 and second 514 racks do not cooperate with the first 52 and second 53 gears when the actuating lever 51 is in the released position. This is because an intermediate position of the actuating lever 51 is implemented during the engagement of the teeth of the racks 513 and 514 with the teeth of the gears 52 and 53. Thus, between the released position and the intermediate position of the actuating lever 51, the teeth of the racks 513 and 514 and the teeth of the gears 52 and 53 do not cooperate. Between the intermediate position and the actuated position of the actuating lever 51, the teeth of the racks 513 and 514 and the teeth of the gear wheels 52 and 53 cooperate.

[0065] The mechanism 5 further comprises a spiral spring 55, a central portion 551 of which is fixedly mounted on the fourth axis of rotation 520 and an outer portion 552 of which is fixedly mounted on an inner surface of the second cylinder 525 defining the housing 525b in which the spiral spring 55 is housed. Thus, the spiral spring 55 makes it possible to exert a rotational force in a first direction of rotation on the first toothed wheel 52 relative to the fourth axis of rotation 520. This rotational force exerted by the spiral spring 55 makes it possible to control the rotation of the first toothed wheel 52 around the fourth axis of rotation 520 in order to adjust the length of the actuating cable 54, which is unwound when the tube 2 moves from the deployed position to the retracted position, and wound up when the tube moves from the retracted position to the deployed position.

[0066] The actuating cable 54 is therefore wound and unwound around the second cylinder 525 of the first gear 52. To ensure optimal winding and unwinding, the actuating cable 54 is received in the groove 525b. One end of the actuating cable 54 is fixed to the first gear 52, while the other end is fixed to the jaws 41a and 41b so as to move the jaws 41a and 41b between the closed and open positions.

[0067] The device 1 includes means for returning the jaws 41a and 41b to the open position, comprising an axial spring 56 disposed between the jaws 41a and 41b and a stop 421, here formed in the support 42, to exert a restoring force on the jaws 41a and 41b.

[0068] The operation of the device 1 is described below with reference to Figures 1 to 9. Figure 6 illustrates the device 1 in the retracted and extended positions. In these positions, the actuating lever 51 is in the released position and the gripper 4 is open, i.e., the jaws 41a, 41b are spread apart. The axial spring 56 and the coiled spring 55 are relaxed, and the actuating cable 54 is generally wound around the first gear 52.

[0069] When the user actuates the actuating lever 51 to move it from the released position to the actuated position, the movement of the actuating lever 51 will cause, via the racks 513 and 514, a rotation of the first 52 and second 53 gears in a first direction of rotation. The rotation of the first 52 and second 53 gears in this first direction of rotation will cause the actuating cable 54 to wind around the second cylinder 525 of the first gear 52. The winding of the actuating cable 54 will cause compression of the axial spring 56, which will cause the jaws 41a and 41b to move from the open position to the closed position, enabling the gripping of an object, as illustrated in [Fig. 8].

[0070] By releasing the actuating lever 51, it will move from the actuated position ([Fig. 8]) to the released position ([Fig. 6]), causing the axial spring 56 to decompress to its relaxed position. The movement of the axial spring 56 from the compressed to the relaxed position will allow the first 52 and second 53 gears to rotate in a second direction of rotation, opposite to the first direction of rotation, and the actuating cable 54 to unwind. Thus, the gripper 4 will open, i.e., the jaws 41a and 41b will move from the closed to the open position, allowing the picked-up object to be released (as illustrated in [Fig. 6]). Throughout this process, the coiled spring 55 maintains tension on the actuating cable 54 to optimize its winding and unwinding.

[0071] To move the device 1 from the retracted position (Figures 6 and 8) to the extended position (Figures 1 and 2), it is sufficient to manually pull on the clamp 4. In this way, the parts 21a-21f of the telescopic tube 2 move in translation relative to each other. When the device 1 is extended, the actuating cable 54 is unwound and the spiral spring 55 is wound, i.e., compressed, within the housing 525b around the fourth axis of rotation 520. The axial spring 56 is configured to provide a force greater than the rotational force exerted by the spiral spring 55. Thus, when the device 1 is in the extended position and the actuating lever 51 is not operated by the user ([Fig. 1]), The axial spring 56 allows the clamp to be held in the spread position, i.e. in the open position.

[0072] In the deployed position, the operation of the device 1 is substantially identical. Thus, when the actuating lever 51 is actuated by the user and therefore moved between the released position and the actuated position, the toothed wheels 52 and 53 pivot in the first direction of rotation, the actuating cable 54 is wound around the second cylinder 525 of the first toothed wheel 52, the axial spring 56 is compressed and the clamp 4 closes, i.e. the jaws 41a and 41b tighten. The release of the actuating lever 51 causes, as before, the decompression of the axial spring 56, the rotation of the toothed wheels 52 and 53 in the second direction of rotation and an unwinding of the actuating cable 54 allowing the opening of the clamp 4, i.e. the separation of the jaws 41a and 41b.

[0073] The difference in length of the actuating cable 54 between the retracted and deployed positions of the tube 2 is compensated by the spiral spring 55, which makes it possible to supply, or distribute, more or less length of actuating cable 54. The spiral spring 55 is constantly under tension and therefore always exerts a rotational force, in the first direction of rotation, on the first toothed wheel 52, so that the actuating cable 54 is also always under tension in order to ensure optimal operation of the clamp 4.

[0074] During the transition from the deployed position to the retracted position of the device 1, the spiral spring 55 will unwind within the housing 525b and thus relax so that the first toothed wheel 52 rotates in the first direction of rotation and winds the excess length of the actuating cable 54, while the axial spring 56 will keep the clamp 4 open, i.e. with the jaws 41a and 41b spread apart.

[0075] It should be noted that it is not necessary to return to the open position to grasp and release an object, and then grasp another object. Indeed, it is possible to release an object without having to move the gripper 4 to the open position, depending on the dimensions of the grasped object. Thus, it is possible to navigate between different gripper positions of the gripper 4 to successively grasp and release objects. This facilitates the use of the device 1 and increases the user's productivity, as it allows them to improve their object pickup rate.

[0076] The invention therefore proposes a device for manually picking up objects, and in particular waste, whose actuation mechanism 5 makes it possible to provide a relatively compact device in the retracted position. Indeed, in the retracted position, the device 1 has a total length (taking into account the handle 30, the tube 2 and the gripper 4) of less than 25 cm, and preferably a length of about 21 cm. In the fully extended position, the device 1 has a total length of more than 50 cm, and preferably a length of about 67 cm. The structure of the device 1 and The actuation mechanism 5 makes it possible to provide an easily portable device whose storage and handling are improved compared to prior art solutions.

[0077] Of course, the invention is not limited to the examples just described. On the contrary, the invention is defined by the following claims.

[0078] It will indeed appear to a person skilled in the art that various modifications can be made to the embodiments described above, in the light of the teaching which has just been disclosed to him.

[0079] Thus, it is possible to use a single axis to articulate the two jaws. It is also possible to have one jaw fixed and the other articulated.

Claims

1. Demands Device (1) for the manual retrieval of objects, comprising: - a tube (2) comprising at least three parts (21a-21f), preferably six parts, telescoping with each other; - a handle (3) intended to be held by a user and comprising a body (30) attached to a first end (22a) of said tube (2); - a clamp (4) fixed to a second end (22b) of said tube (2), said clamp (4) comprising two jaws (41a, 41b) of which at least one is movable in rotation relative to the second end (22b) of said tube (2) around an axis of rotation (412a, 412b), between a spread position and a squeezed position; - a mechanism (5) for actuating said clamp (4); said mechanism (5) comprising: - a cable (54) to operate the clamp (4); - winding means (52) for the cable, driven by said cable (54) and arranged so that the passage of the mechanism (5) from a released position to an actuated position causes the cable to wind and the jaws to move from the open position to the closed position; and furthermore, means (56) for recalling said jaws (41a, 41b) into the spread position when the mechanism passes from the actuated position to the released position. characterized in that: - the mechanism (5) includes an actuating lever (51) provided with at least one first rack (513), said actuating lever being mounted to rotate freely relative to the body (30) between the released position and the actuated position; - the winding means include a first toothed wheel (52) mounted to rotate freely about an axis of rotation (520) mounted fixed relative to the body (30), said first rack (513) of said actuating lever (51) not cooperating with said first toothed wheel (52) in said released position of said actuating lever (51);- the cable (54) comprising a first end fixed to said first gear (52) and a second end secured with each movable jaw (41a, 41b), said cable being designed to be wound around said first gear (52) when said first gear (52) is rotated in a first direction of rotation and to be unwound from said first gear (52) when said first gear (52) is rotated in a second direction of rotation; where the passage of the actuating lever (51) from the released position to the actuated position causes, via said first rack (513), the rotation of said first gear (52) in the first direction of rotation, the winding of said cable and the passage of the jaws from the open position to the closed position.

2. Device (1) according to claim 1, characterized in that the two jaws are movable (41a, 41b), preferably each movable about a respective axis of rotation (412a, 412b).

3. Device (1) according to any one of claims 1 and 2, characterized in that the winding means include rotational return means (55) so that they allow the cable length to be adjusted when the tube (2) is deployed or returned to the retracted position.

4. Device (1) according to claim 3, characterized in that: - the parts (21a-21f) of the tube (2) extend coaxially along a longitudinal axis (X) of the device (1), said parts being movable in translation relative to each other along said longitudinal axis (X) to assume a retracted or unfolded position; - the rotary return means comprise a spiral spring (55); - the first toothed wheel (52) comprises a first central bore (521) for the passage of its axis of rotation (520), a first cylinder (523) carrying teeth (523a) capable of cooperating with the first rack (513), and a second cylinder (525); - said second cylinder comprises on its outer periphery a winding groove (525a) for the cable, and, in its interior, a housing (525b) in which said spiral spring (55) is housed;- said spiral spring (55) comprises a central part (551) fixed to the axis of rotation (520) of the first wheel and an outer part (552) fixed to an inner surface of the second cylinder delimiting said housing (525b), said spiral spring (55) exerting a restoring force in the first direction of rotation on the first toothed wheel (52) with respect to the axis of rotation (520) of the first wheel, so that by controlling the rotation of said first toothed wheel it allows the length of the cable to be adjusted when the tube (2) is deployed or returned to the retracted position.;

5. Device (1) according to claim 4, characterized in that the lever (51) comprises a second rack (514) extending substantially parallel to the first rack (513), and the mechanism (5) comprises a second toothed wheel (53) mounted movable in rotation about the axis of rotation (520), said second rack (514) not cooperating with said second toothed wheel (53) in said released position of said lever (51).

6. Device (1) according to claim 5, characterized in that the second toothed wheel (53) comprises a second central bore (531) extending coaxially with the first central bore (521) for

7.

8. the passage of the rotation axis (520) of the first wheel, a first cylinder (533) carrying teeth (533a) able to cooperate with said second rack (514), and a second cylinder (535) having the form of a wall intended to close said housing (525b) of said first toothed wheel (52). Device (1) according to claim 2 together with any one of claims 4 to 6, characterized in that the clamp (4) comprises a support (42) carrying the axes of rotation of the jaws (41a, 41b), the means for returning (56) to the open position of the jaws comprising an axial spring (56) disposed between the jaws and a stop (421) provided in said support (42) such that when the mechanism (5) passes from the actuated position to the released position, said axial spring (56) exerts a force between said jaws (41a, 41b) and said stop (421) causing said jaws (41a; 41b) to pass from the clamped position to the open position. Device (1) according to any one of claims 1 to 7, characterized in that it has a total length, measured along the longitudinal axis (X), of less than twenty-five centimeters in the retracted position.

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