EP3990220A2 - Dispositif de centrage de pièces - Google Patents
Dispositif de centrage de piècesInfo
- Publication number
- EP3990220A2 EP3990220A2 EP20820239.0A EP20820239A EP3990220A2 EP 3990220 A2 EP3990220 A2 EP 3990220A2 EP 20820239 A EP20820239 A EP 20820239A EP 3990220 A2 EP3990220 A2 EP 3990220A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- centering
- centering element
- head
- support member
- diameter
- 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.)
- Withdrawn
Links
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000000284 resting effect Effects 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 description 31
- 238000001514 detection method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/061—Arrangements for positively actuating jaws with fluid drive
- B25B5/064—Arrangements for positively actuating jaws with fluid drive with clamping means pivoting around an axis perpendicular to the pressing direction
Definitions
- the present invention relates to a device for centering parts, in particular motor vehicle parts.
- Body parts are assembled on fitting lines where the parts are positioned relative to one another and then assembled.
- each of the parts is drilled to create one or more orifice (s) of a given diameter then allowing the parts to be assembled and then fixed to each other.
- the centering devices have a head provided with a centering element.
- the centering element is generally elongated and protrudes out of the head.
- the centering element can thus be inserted into an orifice in a part which is then held on the device by means of a clamping element mounted on the centering device.
- the centering element may also be inserted into a hole in a first part and then into a hole in a second part in order to center and assemble the first and second parts to each other. The two parts are then held together by the clamping element and then fixed to one another.
- the centering devices of the prior art have a single centering element having a given diameter and which can only precisely center parts provided with orifices adapted to this diameter. If, for example, a part had holes that were too large in diameter, i.e. larger than the diameter of a part for which the centering element was designed, then it could not be centered. precisely and stably by said element. Thus, when on a hooking line, the automated robots or the supports are provided with a centering device of the prior art, only parts having a diameter corresponding to the diameter of this centering device can be precisely centered. This leads to a lack of flexibility of the fitting lines on which it is not possible to precisely center parts having orifices of different diameters, in particular parts intended for different vehicles.
- the present invention thus relates to a device for centering at least one part, in particular parts of a motor vehicle, said device comprising a body and a head integrated into said body, the head comprising a first centering element provided with a first outer diameter and which protrudes out of the head, characterized in that the head further comprises at least one second centering element having a second outer diameter different from the first outer diameter, the second centering element being suitable adopting a retracted position in which the device is used with the first centering member and a deployed position in which the device is used at least with said second centering member, the first and second centering members being configured to be inserted into an orifice of at least one part so as to be able to hold it, move it and / or position it.
- the external diameter of the second centering element is greater than the external diameter of the first centering element.
- the centering device can be used alternately with the first or the second centering element. It is thus possible to choose the first or the second centering element according to the diameter of the orifice of the part to be centered and this choice can be made at the last moment on the line of shoeing.
- the device according to the invention therefore allows great flexibility of use.
- the first centering element projects out of the head, regardless of the position of the second centering element.
- the length of the first centering element which protrudes from the head is the same whether the second centering element is in a retracted position or in an extended position.
- the internal diameter of the orifice of the part to be centered may be at least slightly greater, for example at least 1%, than the external diameter of the first or of the second centering element.
- the internal diameter of the hole in the workpiece is preferably not too much greater than the diameter of the first or second centering element so that there is no clearance between the hole in the workpiece and the first or second centering element and that the part can be precisely centered.
- the second centering element can be inserted into the head, in particular, the second centering element may not protrude from the head; thus, the centering device can be used to center one or more parts having an orifice whose diameter corresponds to the outside diameter of the first centering element;
- the second centering element may protrude out of the head; thus, the centering device can be used to center one or more parts having an orifice whose diameter corresponds to the outer diameter of the second centering element; according to this embodiment, the centering device can also be used to center a first part whose diameter corresponds to the outside diameter of the second centering element and a second part whose diameter corresponds to the outside diameter of the first centering element; according to this embodiment, the length of the second centering element which protrudes from the head is at most equal to the thickness of the first part;
- the second centering element can pass from the retracted position to the deployed position by moving the second centering element along the first centering element;
- the second centering element may for example be in contact with the first centering element and slide along the second centering element; according to another possible embodiment, the second centering element can be spaced from the first centering element and move relative to the first centering element by sliding inside the head;
- the second centering element may surround the first centering element; the second centering element may be directly in contact with the first centering element or be spaced from the first centering element;
- the second centering element can pass from the retracted position to the deployed position by means of a displacement mechanism inserted in the centering device and actuable by means of a control element;
- the displacement mechanism can be integrated in the head;
- the displacement mechanism can be manual or motorized;
- the displacement mechanism is a jack which may be pneumatic or hydraulic, preferably pneumatic;
- the device may comprise a support member associated with the head, said support member surrounding the first and the second centering elements;
- the support member can be removable relative to the head
- the device may further comprise a clamping element able to hold a part once it is centered around the first centering element and resting on the centering device; the part can thus be handled without risking to move;
- the clamping element can be placed outside the device or on the contrary inside the device, preferably inside the head;
- the clamping element may be a claw placed inside the first centering element; according to this embodiment, the claw can be retracted into the first centering element during the positioning of the part around the first and / or the second centering element and be deployed through, for example, an orifice or a notch in the first and / or the second centering element to clamp the part;
- the first centering element can comprise a longitudinal orifice and the second centering element can comprise a notch, the longitudinal element and the notch allowing the passage of the clamping element;
- the clamping element can be configured to hold a part P against the support member
- the head can be removable or orientable relative to the body; the head can for example be removed from the body to be changed or its orientation relative to the body can be changed, for example by rotating the head inside the body about a longitudinal axis of the centering device; according to an exemplary embodiment, the head can take four possible orientations with respect to the body, each orientation being obtained by a rotation of 90 ° around the longitudinal axis of the centering device;
- the head may include an internal part inserted into the body and a support member for the part to be centered; thus, the part can be placed precisely around the first and / or the second centering element and be placed on the support member; in the case where the clamping element is deployed, the part can be held between the clamping element and the support member; the support member thus allows an optimized maintenance of the part and also makes it possible to protect the internal part of the part; whether the part is centered by means of the first centering element or of the second centering element, the part is placed on the support member and the part is therefore placed at the same height; the second centering element can be inserted into the support member when it is in the retracted position and can project out of the support member when it is in the deployed position.
- FIG. 1 is a schematic perspective view of a centering device according to one embodiment of the invention.
- FIG. 2a is a schematic sectional view along a longitudinal plane of the device of FIG. 1 in which the second centering element is in the retracted position;
- FIG. 2b is a schematic view of the device of FIG. 2a after installation of a part
- FIG. 3a is a schematic view of the device of FIG. 2a in which the second centering element is in the deployed position;
- FIG. 3b is a schematic view of the device of FIG. 3a after installation of a part
- Figure 4 is a schematic sectional view of part of the device of Figure 1 along a section plane perpendicular to the section plane of Figure 2a;
- Figure 5a is a schematic perspective view of the device of Figure 1 partially disassembled
- Figure 5b is a schematic perspective view of the device of Figure 1 partially disassembled with the internal part turned;
- FIG. 5c is a schematic perspective view of the device of FIG. 1 with the internal part turned;
- FIG. 6 is a top view of the device of Figure 1. Description of embodiment (s)
- a centering device according to one embodiment of the invention is described in a vertical position, the head constituting the upper part of this device.
- the positions or elements named “top”, “bottom”, “upper”, “lower” are indicated for this vertical position.
- the device can be used in any position and not necessarily in this vertical position.
- a centering device 1 comprises a body 2 and a head 4 integrated into said body 2.
- the device 1 has a generally elongated shape of rectangular section and the body 2 has thus four sides 1 ', 1 ", the" and 1 "".
- the head 4 comprises a non-visible internal part and a support member 6 fixed to the body 2 by means of four screws 7.
- the support member 6 can thus be easily removed from the body by unscrewing the four screws 7 and it is therefore removable relative to the body 2 and relative to the internal part (not shown) of the head 4.
- the support member 6 can be fixed by any other means and be, for example, clipped or screwed. Whatever its method of attachment, the support member 6 is preferably removable or orientable relative to the body 2, and also relative to the internal part (not shown) of the head.
- a first centering element 8 projects out of the support member 6 from an inlet 13 arranged at the center of this support member 6.
- the first centering element 8 has a first external diameter dl making it possible to center parts having an orifice having a diameter corresponding to dl, or even slightly greater than dl.
- the term “slightly” means that the diameter of the orifice of the part to be centered is greater than the diameter of the first centering element 8 by a length of from 1% to 20%, preferably ranging from 1% to 10%, even more preferably ranging from 1% to 5% of the diameter of the first centering element 8.
- the centering device also comprises a second centering element 10 having a second outer diameter d2 different from the outer diameter of the first centering element, and greater than the diameter of the first centering element according to this embodiment.
- the second centering element 10 can adopt a retracted position in which the device is used with the first centering element 8 and a deployed position in which the device is used at least with said second centering element 10.
- the second centering element 10 is in an extended position in which it protrudes out of the inlet 13 at the center of the support member 6.
- the second centering element 10 surrounds the first centering element 8 and is in physical contact with the first centering element 8.
- the second centering element 8 can surround the first centering member 10 while being spaced from the latter.
- the term “slightly” means that the diameter of the orifice of the part to be centered is greater than the diameter of the second centering element 10 by a length ranging from 1% to 20%, preferably ranging from 1% to 10%, even more preferably ranging from 1% to 5% of the diameter of the second centering element.
- the second centering element 10 extends only over a part of the height of the second centering element 8.
- a free end 11 of the second centering element 10 is located at approximately 30% of the height. of the first centering element 8.
- the second centering element 10 in its deployed position, may extend over a portion of the height greater or less than according to the embodiment shown , or can also extend over the entire height of the first centering element 8.
- the first and the second centering elements 8 and 10 are longitudinal elements of circular section. However, according to other possible embodiments, they can have any type of section, for example oval, square or rectangular.
- the first and second centering elements 8 and 10 may have a circular or oval section and each have one or two diametrically opposed flats so as to be able to be inserted into a square or rectangular orifice of a part to center.
- the support member 6 comprises a fixing portion 12 in the form of an enlarged cylindrical base which is in contact with the body 2 and in which the screws 7 are inserted.
- the support member 6 also comprises a portion d 'support 14 in the form of a hollow cylinder extending the base 12 and whose outer diameter is smaller than that of the base.
- the bearing portion 14 comprises a flat upper surface 16 intended to serve as a bearing for a part centered by the first or the second centering element 8 and 10.
- the bearing portion 14 is circular but it can have any type of shape and have for example a square or oval section ...
- the support member 6 is formed from a rigid material so as not to be deformed or not to sag under the weight of the part to be centered and which bears on this member.
- the support member 6 is made of hardened steel which is particularly rigid and resistant to wear.
- the first centering element 8 is closed at a first end 9 and is provided with a longitudinal hole 17 which extends from the first end 9 and to a depth not visible in FIG. 1.
- the second centering element centering 10 is provided with a notch 18 which extends from the free end 11 and over only part of its height. According to another possible embodiment, the notch 18 may extend over the entire height which emerges from the support member 6.
- the longitudinal orifice 17 and the notch 18 are in longitudinal alignment with one another. on the other and allow the passage of a clamping element 20 which will be described later.
- the second centering element 10 is hollow over its entire height.
- the clamping element 20 is a claw which, in a retracted position, extends inside the first centering element 8. In FIG.
- the second centering element 10 is in the retracted position in which it is. placed inside the head 4, in particular inside the support member 6. In this retracted position, the second centering element 10 does not protrude from the support member 6 and does not modify not the diameter dl of the first centering element 8.
- the centering device 1 is then used for parts having an orifice having an internal diameter corresponding to the diameter dl, which means that the internal diameter of the orifice is slightly greater than the diameter external of the first centering element 8.
- the part can be centered by the first centering element 8 without there being any friction or play.
- the claw 20 has an upper end 22 in the form of a hook which is able to hold a part P, previously centered around the first centering element 8, clamped between the hook 22 and the bearing surface 14 as shown in FIG. 2b.
- the claw 20 has, at a lower end 24, an orifice 26 in which is inserted a pin 28 allowing the rotation of the claw 20 inside the first centering element 8.
- the rotation of the claw 20 is implemented. thanks to a main cylinder 30 which will be described with reference to Figures 2a and 2b.
- the main cylinder 30 is placed inside the device 1, in a lower part 1a of the latter.
- the main cylinder 30 comprises a piston 32 configured to be able to slide inside a chamber 34.
- Two lower air inlets 33a and two upper air inlets 33b make it possible to inject air into the chamber 34 in order to to slide the piston 32.
- the piston 32 is connected to a rod 36 which passes through a closing disc 37 of the chamber 34 and terminates inside a tubular locking member 38.
- the tubular locking member 38 surrounds, by its lower part 38a, an upper part 36b of the rod 36.
- the tubular locking member 38 is associated, by its upper part 38b, with an attachment part 39 comprising a part inserted inside the tubular locking member 38 and a flat part 39b covering the upper part 38b of the tubular locking member 38 .
- the lower part 38a of the tubular locking member 38 is surrounded by a connecting piece 40 which is fixed inside the device 1.
- the upper part 36b of the rod 36, the lower part 38a of the tubular locking member. locking 38 and the connecting piece 40 are connected by a ball mechanism.
- a main pin 56 is mounted through in the upper part 36b of the rod 36 and extends along an axis perpendicular to the longitudinal axis of the rod.
- the pin 56 moves in accordance with the movement of the rod 36.
- the main pin 56 is connected to a detection member 58 which thus knows the position of the rod 36 as a function of the position of the pin 56.
- the tubular locking member 38 comprises in its lower part 38a through housing 42 for balls 42a trapped in the tubular locking member 38 when it is moved.
- the upper part 36b of the rod 36 comprises first notches 44 making it possible to accommodate the balls 42a and thus to lock together the upper part 36b of the rod 36 and the lower part 38a of the tubular locking member 38 when the piston 32 is in the upper position in the chamber 34 (FIG. 2a).
- the upper part 38b of the tubular locking member 38 is placed inside a cage 46 enclosing a spring 48.
- the cage 46 has a first part 46a at its lower end which has an annular shape and which has an orifice. 50 for the passage of the rod 36.
- the first part 46a of the cage 46 also has a flange 52 making it possible to retain the spring 48.
- the cage 46 also comprises a second part 46b at its upper end against which is placed the flat part 39b of the fastening part 39.
- the spring 48 is thus wedged between the flat part 39b of the fastening part 39 and the flange. 52 of the first part 46a of the cage 46.
- the second part 46b of the cage 46 extends inside the first centering element 8 and comprises the pin 28 which is inserted into the orifice 26 of the claw 20.
- the device 1 is in a position in which the piston 32 is in a high position, the spring 48 is released and the claw 20 is retracted inside the first centering element 8.
- the claw 20 has a Curved orifice 21 in the form of a broken line in which a pin 23 is inserted.
- the pin 23 is placed at a low end 21a of the curved orifice 21.
- the pin 56 is then in a high position and the detection member knows the retracted position of the claw 20.
- the tubular locking member 38, the attachment part 39 and the rod 36 then continue their movement in the direction of the arrow Fl which compresses the spring 48 and allows the part P to be clamped by means of the claw 20.
- the balls 42a then arrive at second notches 54 of the connecting piece 40.
- the balls 42a then escape from the first notches 44 of the rod 36 to fit into the second notches 54 of the connecting piece 40.
- the tubular locking member 38 and the connecting piece 40 are then locked together and part P is clamped.
- the claw 20 is thus blocked by means of the balls 42a which, thanks to the locking of the tubular locking member 38 and of the connecting piece 40 together, keep the spring compressed.
- the claw 20 therefore allows the part P to be held tight against the bearing portion 14, even in the event of a drop in compressed air pressure in the chamber 34 or of a lack of energy.
- the centering device 1 can clamp parts P of different thicknesses, for example ranging from 0.5 to 10.
- thicker or, on the contrary, thinner parts. can be tightened depending on the chosen spring stiffness which compensates for the thickness of the part.
- the detection member 58 knows, thanks to the position of the pin 56 which follows the movement of the rod 36, the position of the claw 20 when it comes into contact with the part P then when it grips part P (locked position).
- the second centering element 10 can adopt a retracted position in which it is inserted into the head 4 and does not protrude from the support member 6. In this case , it is not operational and the device is used with the first centering element 8.
- the second centering element 10 comprises a refined portion 62 configured to surround the first centering element 8 and to be able to move inside the entrance 13 in the center of the support member 6.
- the passage of the second element centering 10 from the retracted position to the deployed position is achieved by means of a displacement mechanism 70 which is, in this embodiment, a pneumatic motorized secondary cylinder placed in an upper part 1b of the device 1.
- the displacement mechanism can be triggered by any type of manual element, for example, a button to be pressed, a wheel to turn or even a lever to be actuated.
- the movement mechanism can also be triggered by any type of motorized element.
- the secondary cylinder 70 comprises a piston 72 configured to be able to slide within a secondary chamber 65.
- the piston 72 When the second centering element 10 is in a retracted position, the piston 72 is placed in a lower portion 65a of the chamber 65.
- the piston 72 When air enters the secondary chamber 65 by means of an air inlet 67 (visible in FIG. 1), the piston 72 moves according to the arrow F2 to be placed in an upper portion 65b of the chamber 65 as shown in Figure 3a. Following the movement of the piston, the second centering element 10 adopts a deployed position.
- a pin 86 is placed in a groove 86 'of the piston 72 and moves in accordance with the movement of the piston 72.
- a secondary detection member 80 placed on a face 1 "of the body 2 then makes it possible to know the position of the second control element. detection 10 by detecting the position of the pin 86.
- the passage from the retracted position to the deployed position of the second centering element 10 is thus effected by sliding the second centering element 10 along the first centering element 8.
- the first and the second centering elements 8 and 10 are in contact with each other over the entire length of the second centering element 10.
- the first and second centering elements 8 and 10 thus slide relative to each other as much as the inside and outside of the head 4.
- the second centering element 10 then adopts an extended position in which it projects out of the head 4, and in particular out of the support member 6. In this position, the second centering member 10 surrounds the first centering element 8 and is in contact with this latest.
- the device can then be used to center a part having an orifice having a diameter corresponding to the diameter d2, or slightly greater than the diameter d2.
- the diameter d1 is between 14 and 16 millimeters (mm) and the diameter d2 is between 29 and 31 mm.
- the invention applies regardless of the diameters of the first and second centering elements 8 and 10.
- the device has two centering elements, however according to other possible embodiments, the device 1 can comprise three or four centering elements which can pass from a retracted position to a deployed position according to the same. mechanism than that described above.
- the clamping of the part P is carried out by means of a single claw.
- the clamping of the part can be achieved by means of two claws.
- two clamping claws are placed inside the first centering element 10 and can clamp a part P in two directions, for example two diametrically opposite directions.
- the first and second centering elements each have two diametrically opposed longitudinal orifices, each allowing the passage of one of the two claws.
- the device 1 can make it possible to center one or more parts. For example, once the part P is in place, a second part can be placed on the first part and the two parts can be clamped against each other and against the bearing portion 14 by means of claw 20.
- the head 4 is in a position placing the longitudinal orifice 17 and the notch 18 on the side of a face the of the body 2.
- the head 4 being removable relative to the body 2, it can be positioned in a different way.
- the head 4 comprises the support member 6 and an internal part 5 comprising the first centering element 8, the second centering element 10 extended by the piston 72 and the claw 20.
- the internal part 5 of the head 4 is held in place by means of the pin 23 which also serves for the movement of the claw 20 at the level of the curved orifice 21.
- the support member 6 can be removed to be able to change the position of the internal part 5 of the head 4 relative to the body 2.
- the four screws 7 can be unscrewed and the support member 6 removed updating the internal part 5 of the head 4.
- the detection member 80 is then removed by unscrewing the two screws 82 exposing the window 88.
- the pin 23 passing through the curved hole 21 of the claw 20 and the secondary pin 86 are then removed.
- the internal part 5 of the head 4 can then be taken out of the body 2 or be turned only inside the latter.
- the piston 72 comprises four grooves 86 'extending in an axis perpendicular to the longitudinal axis of the device 1, one of the four grooves 86' accommodating the pin 86.
- the grooves 86 ' are placed at the same height on the periphery of the piston 72 and are placed diametrically opposed in pairs. Two consecutive grooves are therefore placed at 90 ° to each other with respect to the axis of revolution of the piston 72.
- the internal part 5 of the head 4 can thus be placed in four different positions in the body 2, each position placing the longitudinal orifice 17 and the notch 18 in the extension of one of the faces 1 ', 1 ", the" and 1 "" of the device 1.
- one of the grooves 86' is located in front of window 88.
- Two grooves 23 'passing right through the body extend along an axis perpendicular to the longitudinal axis of the device 1 and are placed perpendicular to one another.
- the pin 23 is placed in one of the two grooves 23 '.
- the internal part 5 of the head 4 is rotated by an angle of 90 ° so as to place the longitudinal orifice 17 and the notch 18 on the side of another side 1 "of the body 2.
- the pin 86 is then inserted into another groove 86 'of the piston 72 through the window 88.
- the pin 86 is always placed on the side of the detection member so that it can be detected.
- the pin 23 is inserted through the face 1, which is not visible in Figures 5a and 5b so as to be able to pass through the curved orifice 21.
- the secondary detection member 80 is repositioned on the face 1 "of the device 1 and fixed by means of the screws 82.
- the support member 6 is repositioned around the first and second centering elements 8 and 10 then fixed by means of screws 7.
- the longitudinal orifice 17 and the notch 18 are placed on the side of the laying plane 90, namely on the side of the part which attaches to a robot on a shoe line.
- the longitudinal orifice 17 and the notch 18 are placed on the side of the secondary detection member 80.
- the orientation of the longitudinal orifice 17 and of the notch 18 determines the side of the device 1 or of the body 2 towards which the claw 20 will clamp a part positioned around the first centering element 8 or the second centering element 10.
- the head 4, in particular its internal part 5 can take four possible positions relative to the body 2 and the position of the first centering element 8 and of the second centering element 10 can be modified according to the intended use of the device, and in particular according to the side towards which the part is to be clamped.
- FIG. 6 illustrates a top view of the device in which are represented the main detection member 58 and the secondary detection member 80. In FIG. 6 are also shown the air inlets 67a and 67b allowing movement of the piston. 72.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
- Jigs For Machine Tools (AREA)
- Braking Systems And Boosters (AREA)
- Golf Clubs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1906914A FR3097792B1 (fr) | 2019-06-25 | 2019-06-25 | Dispositif de centrage de pièces |
PCT/FR2020/051113 WO2020260834A2 (fr) | 2019-06-25 | 2020-06-25 | Dispositif de centrage de pièces |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3990220A2 true EP3990220A2 (fr) | 2022-05-04 |
Family
ID=68281630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20820239.0A Withdrawn EP3990220A2 (fr) | 2019-06-25 | 2020-06-25 | Dispositif de centrage de pièces |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3990220A2 (fr) |
FR (1) | FR3097792B1 (fr) |
WO (1) | WO2020260834A2 (fr) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4699433B2 (ja) * | 2007-10-11 | 2011-06-08 | 株式会社コガネイ | 位置決めクランプ装置 |
US8444128B2 (en) * | 2008-09-04 | 2013-05-21 | Vektek, Inc. | Double acting work support with internal sequence control |
-
2019
- 2019-06-25 FR FR1906914A patent/FR3097792B1/fr not_active Expired - Fee Related
-
2020
- 2020-06-25 EP EP20820239.0A patent/EP3990220A2/fr not_active Withdrawn
- 2020-06-25 WO PCT/FR2020/051113 patent/WO2020260834A2/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR3097792A1 (fr) | 2021-01-01 |
FR3097792B1 (fr) | 2022-02-11 |
WO2020260834A2 (fr) | 2020-12-30 |
WO2020260834A3 (fr) | 2021-04-22 |
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