EP4507995A1 - Dispositif de prehension d'un module d'elements electrochimiques - Google Patents
Dispositif de prehension d'un module d'elements electrochimiquesInfo
- Publication number
- EP4507995A1 EP4507995A1 EP23712215.5A EP23712215A EP4507995A1 EP 4507995 A1 EP4507995 A1 EP 4507995A1 EP 23712215 A EP23712215 A EP 23712215A EP 4507995 A1 EP4507995 A1 EP 4507995A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure piece
- spring
- sleeve
- rod
- stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/908—Devices for picking-up and depositing articles or materials with inflatable picking-up means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
Definitions
- the technical field of the invention is that of devices used to grip a module of electrochemical elements. It also concerns the field of lifting tools allowing a battery made up of a plurality of electrochemical element modules to be lifted in one go.
- a battery is constituted by the association and electrical connection of several electrochemical elements, also called elements in the following.
- a series electrical connection of several electrochemical elements makes it possible to add the voltages of these elements and achieve the desired operating voltage for the battery.
- a parallel electrical connection of several elements makes it possible to add the capacities of the elements and achieve the desired operating capacity for the battery. Building a battery may require having to use a high number of cells when the voltage or capacity of a single cell is low in comparison to the voltage and capacity desired for the battery.
- modules are generally manufactured beforehand consisting of the combination of several elements already electrically connected to each other, and these modules are fixed on a common support which is the battery support.
- Each module can for example include 3, 4, 5 or 6 elements. It constitutes a unitary structure of fixed volume delivering a predetermined voltage and quantity of energy which are functions of the electrical connection mode of the elements in the module.
- Gripping tools exist. Some include two flat jaws which grip two opposite faces of an object. We can for example cite documents GB 0 011 863, GB 2 105 631, US 2007/0046048 and US 4,968,077. However, these tools do not allow the module to be held from above. However, taking the module from above would be appropriate because the part located under the module is not accessible, given that the module rests on a support. We are looking for tools to lift the module by having a socket on the top of the module.
- One possibility for lifting a module from above consists of taking advantage of a bore present on the upper face of the module. An additional constraint is that this bore can have a smooth wall, that is to say devoid of notch, thread, latching means or hooking means. In this case, the gripping tool must be able to rest on this wall, although it is smooth.
- the operator be able to have a lifting tool making it possible to lift a battery resulting from the association of a high number of modules, for example 10 or 20 modules at a time.
- the invention proposes a gripping device comprising:
- the invention is based on the exploitation of the restoring force of a spring in the stressed state to maintain a compression applied to the two ends of a deformable polymeric sleeve introduced into a cavity of the object to be lifted.
- the length of the sleeve is reduced.
- the sleeve being incompressible, it expands radially.
- the radial expansion of the sleeve creates a frictional force against the wall of the object cavity.
- the higher this friction force the greater the device's ability to lift heavy objects.
- the invention makes it possible, by varying the return force of the spring, to vary this friction force to adapt it to the mass of the object to be lifted.
- the restoring force of the pre-loaded spring makes it possible to maintain the same level of friction between the device and the object, by compensating for possible fluctuations in parameters playing a role in the quality of holding the object, such as the composition chemical of the sleeve, the aging state of the sleeve, the distance between the external surface of the sleeve and the wall of the cavity of the object.
- the means for compressing the spring comprises:
- - a means for allowing the movement of the second pressure piece between the first pressure piece and the second stop, for example a cam.
- the spring is arranged between the second pressure piece and the second stop and the means for allowing the movement of the second pressure piece is configured to bring the second pressure piece closer to the second stop making thus the compression of the spring.
- the spring is arranged between the first and the second pressure part and the means for allowing the movement of the second pressure part is configured to bring the second pressure part closer to the first pressure part thus achieving compression of the spring.
- the rod is threaded
- either the means for compressing the spring comprises a nut screwed onto the threaded rod and the second pressure piece is a ring, the rotation of the nut allowing movement of the ring along the threaded rod and adjustment of the length spring, - either the means for compressing the spring is a tapped ring screwed onto the threaded rod.
- the polymeric sleeve is made of silicone.
- At least one of the first or second pressure piece is a washer whose internal diameter is crossed by the rod.
- the inner edge of the washer comprises a centering ring to center the position of the spring on the rod.
- the invention also relates to a lifting tool comprising a plurality of gripping devices as described above.
- the means for compressing the springs of the plurality of gripping devices comprises:
- a means for allowing the movement of the second pressure piece between the first pressure piece and the second stop for example a cam
- the lifting tool comprises one or more arms configured to rotate one or more cams located between the lower plate and the intermediate plate, the rotation of said one or more cams allowing the movement of the intermediate plate and compression of the springs of the plurality of gripping devices.
- the springs of the plurality of gripping devices are arranged between the upper plate and the intermediate plate and the rotation of said one or more cams causes the compression of the springs of the plurality of gripping devices between the upper plate and the intermediate plate.
- the invention also relates to a set comprising:
- each electrochemical element module comprising at least one cavity, the cavity receiving one end of the rod of a gripping device.
- the cavity has walls devoid of notch, thread, latching means or means of hooking the rod of the gripping device in the cavity.
- the cavity opens onto an upper wall of the module.
- the upper plate is provided with sling attachment means for lifting the assembly.
- FIG.1 is a sectional view of the gripping device according to a first embodiment of the invention.
- the left diagram shows the pressure device for a spring in an uncompressed state.
- the right diagram shows the pressure device for a spring in a compressed state.
- FIG.2 is a sectional view of the gripping device according to a second embodiment of the invention.
- the left diagram shows the pressure device for a spring in an uncompressed state.
- the right diagram shows the pressure device for a spring in a compressed state.
- FIG.3 is a sectional view of the gripping device according to a third embodiment of the invention.
- FIG.4 is a sectional view of the first pressure piece, which has a centering ring.
- FIG.5 is a perspective view of a lifting tool in which the arms are in the open position and the springs of the gripping devices are not compressed.
- FIG.6 is a perspective view of a lifting tool in which the arms are in the closed position, this having the effect of compressing the springs of the gripping devices.
- FIG.7 is a perspective view of a battery made up of the assembly of several modules of electrochemical elements. This view shows in particular the upper surface of the modules. Each upper surface has a cavity for the introduction of a gripping device.
- FIG.8 is a perspective view of a lifting tool after positioning the gripping devices in the cavities located on the upper surface of the modules and compression of the springs of the gripping devices.
- the gripping device according to the invention will be described below with reference to Figures 1 to 4.
- the device (1) is intended to be inserted into a cavity (34) located on an upper face (32) of the object (31) to be lifted.
- the device is advantageously used to lift a module of electrochemical elements (31), for example of the lithium-ion type, but it is understood that it can be used to lift any object, as long as the shape and dimensions of the sleeve correspond to those of the cavity of this object.
- the cavity of the module can be located on a component serving as a common support for the electrochemical elements (31). This may be a bore (34) made through the cross section of a beam serving as support for the elements.
- the cross section of the gripping device rod and the cross section of the cavity are preferably circular.
- the wall of the cavity is preferably smooth. By the term “smooth” is meant a wall devoid of notches, threads, latching means, grooves or means of hooking the rod of the gripping device into the cavity.
- the rod (2) of the device may consist of a single piece having or not having portions of different diameters. It can also be made up of the interlocking of two parts (2.1, 2.2) or more parts, having identical or different diameters. In one embodiment, the rod is made up of the interlocking of two parts (2.1, 2.2) of different diameters.
- the rod comprises at one of its ends a first stop (3) and at the opposite end a second stop (4).
- the end of the device comprising the first stop is introduced first into the cavity (34) of the object to be lifted.
- the first stop may consist of a bulge in the end of the rod. Preferably, the bulge has an oblong shape to facilitate insertion of the device into the cavity.
- the sleeve is preferably cylindrical.
- the external diameter of the sleeve is adapted to the diameter of the cavity and is such that it allows the sleeve to enter the cavity of the object before compression of the sleeve in its longitudinal direction.
- the outer diameter of the sleeve is slightly smaller than the diameter of the cavity. It must not be too small in relation to the diameter of the cavity at the risk of creating an insufficient friction force with the cavity of the object to be lifted. It must not be too close to the diameter of the cavity at the risk of causing resistance to the introduction of the tool into the cavity.
- the diameter of the sleeve is preferably equal to the diameter of the bulge in its most flared part.
- a first pressure piece (8) is placed on the end of the sleeve (7) opposite that (6) in contact with the bulge (3). It is mobile on the rod (2.1). Its movement in the direction of the first stop (3) makes it possible to apply a compressive force on the sleeve along its longitudinal axis because the latter is clamped between the first stop (3) and the first pressure piece (8) .
- the compression exerted by the first pressure piece (8) causes a reduction in the length of the sleeve (7) and its expansion in the radial direction in the cavity of the object. Expansion of the sleeve in the radial direction creates a radially directed friction force in the cavity. The frictional force between the sleeve and the cavity is greater than the weight of the object, allowing the object to be lifted and held in its lifted position.
- the sleeve (5) is preferably made of an elastomeric material therefore having a certain elasticity, for example silicone, and a high friction force with the material of the cavity (34) against which it is brought into contact.
- the length of the sleeve (5) is determined by those skilled in the art depending on the nature of the material of the sleeve and the mass to be lifted. An increase in sleeve length allows for increased friction forces with the cavity and the ability to lift heavier objects.
- a silicone sleeve with a length of 20 to 30 mm makes it possible to lift without irreversible slipping, therefore in a linear zone linking effort and displacement, a mass of up to 3 kg taking into account a safety factor of 3, and a safety factor of 5 in the case of irreversible sliding, therefore in a non-linear zone linking effort and displacement.
- the spring used (9) is preferably helical. Its turns surround a portion (2.2) of the exterior surface of the rod.
- An operator applies a compressive force to the spring.
- the spring exerts a restoring force which applies in the longitudinal direction of the sleeve (5).
- This restoring force is equal to the product of the spring stiffness constant by the difference between the length of the spring in the compressed state and its empty length, that is to say in the non-compressed state. This restoring force is used to compress the sleeve, as explained above.
- the presence of the spring (9) makes it possible to maintain the axial force on the sleeve (5) despite any change likely to occur in the friction zone between the object to be lifted and the tool. For example, aging of the sleeve material could lead to its hardening and a less clear radial expansion in the cavity of the object, therefore a less secure hold between the sleeve and the cavity and a loosening of the object. Variability in the bore manufacturing process could result in a variation in the diameter of the bore, also resulting in a less secure fit between the sleeve and the cavity. Finally, the mass of the object to be lifted could also present a certain variability.
- the spring (9) compensates for any relaxation or movement of the parts present by continuing to apply a force in the direction of the longitudinal axis of the sleeve (5) which is arranged between the first stop (3) and the first pressure part ( 8).
- the mere fact of moving the sleeve between the first stop (3) and the first pressure piece (8) does not guarantee sufficient strength between the sleeve and the cavity to maintain the object in the raised position.
- the invention makes it possible to maintain a compressive force on the sleeve thanks to the spring.
- the means used by the user to compress the spring includes:
- the spring (9) can exert its restoring force indirectly on the first pressure piece (8).
- the spring is placed between the second stop (4) and the second pressure piece (11).
- a means allows the second pressure piece (11) to be brought closer to the second stop (4) and the spring (9) to be compressed.
- This means (10) can be arranged between the first pressure piece (8) and the second pressure piece (11). It maintains a predetermined distance between the first pressure piece and the second pressure piece. This distance is proportional to the compression force that the operator wishes to apply to the spring, that is to say the preload of the spring.
- the spring return force is transmitted to the first pressure piece (8) through the means (10) to move the second pressure piece (11).
- the first pressure piece then communicates the return force of the spring to the sleeve (5).
- the spring (9) can exert its restoring force directly on the first pressure piece (8).
- the spring is placed between the first pressure piece (8) and the second pressure piece (11).
- a means (10) allows the second pressure piece (11) to be brought closer to the first pressure piece (8) and the spring to be compressed.
- This means can be placed between the second pressure piece (11) and the second stop (4). It maintains a predetermined distance between the second pressure piece (11) and the second stop (4). This distance is proportional to the compression force that the operator wishes to apply to the spring.
- the return force of the spring is applied directly to the first pressure part which then communicates it to the sleeve.
- Figure 2 Such an embodiment is shown in Figure 2.
- the means (10) for moving the second pressure piece can be a cam.
- the means for moving the second pressure piece can also be a nut (10) screwed onto a thread made on the exterior surface of the rod (2), as illustrated in Figure 3.
- the rotation of the nut allows it to move on the stem.
- the movement of the nut varies the position of the second pressure piece (11) on the threaded rod, which modifies the compression state of the spring.
- the second pressure piece (11) can be a ring.
- the ring may also include a thread allowing it to move on the rod and lock its position on the screw. The threaded ring then combines the function of second pressure piece and means for moving the second pressure piece.
- the first pressure piece (8) can be a washer or a plate having an opening, for example of circular shape.
- the rod (2) inserts through the inner diameter of the washer or plate opening and can slide through the opening.
- the surface of the washer or plate extends perpendicular to the rod and receives the spring return force which is applied in the direction of the rod.
- the edges of the opening may include a shoulder (35), also called a centering ring, intended to guide the return force of the spring onto the rod, as shown in Figure 4.
- the centering ring helps reduce the risk of buckling of the spring, maintaining the plate or washer perpendicular to the rod, particularly when the spring is strongly compressed, and therefore improves the quality of contact between the sleeve and the wall of the cavity.
- the centering ring (35) is placed in contact with the inside of the first turn of the spring (9).
- the centering ring may not be necessary if the diameter of the rod at the location (2.2) where the spring is placed is large enough to itself serve as a centering device and prevent buckling of the spring.
- the flat surface of the plate or washer may be in direct contact with the end of the sleeve.
- a guide (36) is fixed on the opening of the plate or washer (8). It extends in the direction of the length of the stem. Its purposes are to allow guidance of the rod (2) in the plate (8) and clearance (and support) between the lifting tool and the battery to be lifted. It will be up to everyone to choose the length that suits them.
- a first feature of the guide is that its end length (33) is sufficient to ensure that the sleeve (5) is completely inserted into the cavity and is located at a minimum distance from the mouth of the cavity before compression of the sleeve . Thus, in the event of slight sliding of the sleeve out of the cavity, after it has expanded, it does not emerge from the cavity.
- a sufficient length of the end (33) of the guide ensures that compression of the sleeve is not lost by removing part of the volume of the sleeve from the cavity.
- a second advantage associated with the sufficient length of the end (33) of the guide is that the appearance of hernia is avoided when putting the tool in place in the event that the end of the sleeve is too close to the mouth of the cavity.
- a second particularity of the guide is that the end (33) of the guide in contact with the sleeve preferably has a shape and a diameter identical to the shape and diameter of the sleeve (5).
- the end (33) of the guide (36) has a diameter greater than that of the sleeve (5), there is a risk that the guide hits the mouth of the cavity (34). Conversely, if the end (33) of the guide (36) has a diameter smaller than that of the sleeve (5), there is a risk that part of the upper part of the sleeve escapes from the cavity and forms a hernia out of the cavity.
- the gripping device can be released from the object by releasing the compression applied to the spring.
- the sleeve then no longer being compressed axially, it returns to its initial length and diameter. Retracting the sleeve in the radial direction removes frictional forces with the cavity.
- the combination of several gripping devices (1) makes it possible to constitute a lifting tool (20).
- the lifting tool can be used to simultaneously lift a plurality of electrochemical element modules (31) to be assembled into a battery.
- the lifting tool has a frame.
- This chassis comprises at least three plates (21, 22, 23) arranged in parallel: a lower plate (22), an upper plate (21) and an intermediate plate (23) arranged between the lower plate and the upper plate.
- the lower plate (22) representing the first pressure piece (8) according to Figure 1 is pierced with a plurality of holes.
- the guide (36) of the gripping device is fixed to each hole.
- the intermediate plate (23) representing the second pressure piece (11) according to Figure 1 is pierced with a plurality of holes located directly above the holes in the lower plate.
- the upper plate (21) is pierced with a plurality of holes located directly above the holes in the intermediate and lower plates.
- Each of the holes in the plate (21) constitutes the second stop (4) of the gripping device fixed there.
- the intermediate plate (23) is movable vertically. It can move upwards towards the upper plate (21) and compress the springs, according to the mode of operation illustrated in Figure 1. It can move downwards towards the lower plate (22) and compress the springs , according to the mode of operation illustrated in Figure 2.
- a movement of the intermediate plate causes the compression of all the springs of the gripping devices and a radial expansion of all the sleeves in the cavity of the modules , which allows all the modules to be gripped at once.
- the movement of the intermediate plate can be actuated by the rotation of a cam disposed between the lower plate (22) and the intermediate plate (23) for the embodiment illustrated in Figure 1 or between the intermediate plate (23). ) and the upper plate (21) for the embodiment illustrated in Figure 2.
- the cam can be integral with an arm (24).
- a rotational movement of the arm (or arms depending on the embodiment) causes a rotation of the cam (10) which communicates to the intermediate plate (23) a vertical movement upwards or downwards (parallel translation of (23) compared to (22)). This can be done over a few centimeters.
- the height of vertical movement of the plate corresponds to the length by which the spring shrinks. We can therefore vary the return force of the spring to adapt it to the mass of the load to be lifted by varying the height of movement of the intermediate plate and therefore the profile of the cam.
- two cams are preferably arranged at two opposite ends of the chassis.
- the movement of the two arms can be a rotational movement of approximately 90° from an almost vertical orientation of the arms to an almost horizontal orientation.
- Figure 5 shows the lifting tool when the arms (24) are in the open position and the springs of the gripping devices are not compressed. The arms are rotated by approximately 90° to bring them into the closed position.
- Figure 6 shows the lifting tool when the arms are in the closed position and the springs of the gripping devices are tablets.
- the cam associated with each arm also performs a rotational movement of 90°.
- the rotational movement of the cam communicates a vertical translation movement of the intermediate plate upwards or downwards.
- the intermediate plate moves by a distance corresponding to the shortening distance of each of the springs of the gripping devices.
- the upper plate (21) may include at its four corners points for fixing a means for hooking the lifting tool to a lifting device such as a crane, a winch or a forklift.
- a lifting device such as a crane, a winch or a forklift.
- This means of hanging the lifting tool can be slings (25). Once the lifting tool is locked on the battery by compression of the springs, the lifting tool can be hooked to the lifting device and lift the assembly consisting of the lifting tool and the battery.
- a battery is made up of the assembly and electrical connection of several modules of electrochemical elements.
- the electrochemical elements are joined together within the same module using one or more flanges.
- a flask consists of a plate comprising on its largest surface a plurality of recesses intended to fit with the bottom of the container of the electrochemical elements and/or with the cover of the electrochemical elements. Each recess matches the shape of the cross section of the container or cover of the electrochemical elements.
- the flange makes it possible to support the electrochemical elements in order to prevent them from being subjected to the harmful effects of vibrations.
- the flange is generally made of an electrical insulating material, preferably a plastic material. It is generally obtained by molding a plastic material. For better holding of the elements, two flanges are preferably used, one is fitted onto the covers of the module elements. The second is fitted onto the bottom of the elements.
- the upper surface of the modules has a cavity.
- This cavity can be a bore machined in the longitudinal direction of the beam.
- This beam serves as a common support for the electrochemical elements of the module. It is preferably of circular section.
- FIG. 7 is a perspective view of a battery made up of the assembly of ten electrochemical element modules (31). Each module consists of the assembly and electrical connection of four elements. The elements are held by an upper flange (32) and a lower flange (37). The upper surface of the modules is made up of the upper flange. It shows in particular the upper surface (32) of the modules. Note the presence of a cavity (34) on the upper surface (32) of each module. This cavity serves for the introduction of a gripping device according to the invention. [0061] To lift the battery, the lifting tool is placed above the battery. The end of the rod of the gripping tools is positioned vertically in the cavities. The lifting tool is lowered to insert the ends of the rods into the cavities.
- FIG. 8 is a perspective view of a lifting tool after positioning the gripping devices in the cavities located on the upper surface of the modules, closing the arms and compressing the springs of the gripping devices.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2203410A FR3134532A1 (fr) | 2022-04-13 | 2022-04-13 | Dispositif de préhension d’un module d’éléments électrochimiques |
| PCT/EP2023/056798 WO2023198398A1 (fr) | 2022-04-13 | 2023-03-16 | Dispositif de prehension d'un module d'elements electrochimiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4507995A1 true EP4507995A1 (fr) | 2025-02-19 |
Family
ID=82594790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23712215.5A Pending EP4507995A1 (fr) | 2022-04-13 | 2023-03-16 | Dispositif de prehension d'un module d'elements electrochimiques |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4507995A1 (fr) |
| FR (1) | FR3134532A1 (fr) |
| WO (1) | WO2023198398A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3156358A1 (fr) * | 2023-12-06 | 2025-06-13 | AMPERE s.a.s | Outil de préhension pour manutentionner un module de batterie |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2105631B (en) | 1981-09-14 | 1985-07-31 | Laing John Services | Handling device for building blocks |
| US4968077A (en) | 1989-06-09 | 1990-11-06 | The United States Of America As Represented By The Administrator National Aeronautics And Space Administration | Portable hand hold device |
| US5322300A (en) * | 1992-12-23 | 1994-06-21 | Xerox Corporation | Self adjusting mandrel with expandable elastomeric disk and process for using mandrel |
| US7240934B2 (en) | 2005-08-26 | 2007-07-10 | Emiliano Lausell | Single hand operated adjustable carrying device and method of use thereof |
| DE202007008217U1 (de) * | 2006-06-29 | 2007-09-13 | Netstal-Maschinen Ag | Hilfsvorrichtung mit Greifer mit einer Vielzahl von Nippeln |
| DE102009017683B3 (de) * | 2009-04-16 | 2010-07-08 | Zimmer, Günther | Vorrichtung zur Innenaufnahme von Hohlkörpern |
-
2022
- 2022-04-13 FR FR2203410A patent/FR3134532A1/fr active Pending
-
2023
- 2023-03-16 EP EP23712215.5A patent/EP4507995A1/fr active Pending
- 2023-03-16 WO PCT/EP2023/056798 patent/WO2023198398A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3134532A1 (fr) | 2023-10-20 |
| WO2023198398A1 (fr) | 2023-10-19 |
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