EP3299125A1 - Dispositif de pivotement, de serrage ou de positionnement de pièces à usiner - Google Patents

Dispositif de pivotement, de serrage ou de positionnement de pièces à usiner Download PDF

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Publication number
EP3299125A1
EP3299125A1 EP16190813.2A EP16190813A EP3299125A1 EP 3299125 A1 EP3299125 A1 EP 3299125A1 EP 16190813 A EP16190813 A EP 16190813A EP 3299125 A1 EP3299125 A1 EP 3299125A1
Authority
EP
European Patent Office
Prior art keywords
rod
locking
rod member
locking means
axial direction
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Withdrawn
Application number
EP16190813.2A
Other languages
German (de)
English (en)
Inventor
Luciano Migliori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Univer SpA
Original Assignee
Univer SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univer SpA filed Critical Univer SpA
Priority to EP16190813.2A priority Critical patent/EP3299125A1/fr
Publication of EP3299125A1 publication Critical patent/EP3299125A1/fr
Withdrawn legal-status Critical Current

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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
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B25B5/122—Arrangements for positively actuating jaws using toggle links with fluid drive
    • 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
    • B25B5/16—Details, e.g. jaws, jaw attachments

Definitions

  • the invention relates to a device for pivoting, clamping or positioning of workpieces, which has a housing and a movable in the housing by means of a drive unit in the axial direction rod for actuating an arm, in particular for pivoting a clamping arm or pivot arm.
  • the rod has a first rod element and a second rod element mounted displaceably in the axial direction in the first rod element.
  • the second rod member has spaced apart in the axial direction formed locking means which can be brought into engagement with a locking means of a detent body, wherein the detent body is slidably mounted in the first rod member in a direction transverse to the axial direction.
  • Such a device is, for example, a swivel for swiveling workpieces, in particular body components in the motor vehicle industry.
  • a tilt angle of the cooperating with the rod pivot arm is adaptable by a change in length of the rod by means of displacement of the second rod member.
  • a device of the type mentioned, thus having the features of the preamble of claim 1 is from the document US Pat. No. 6,616,133 B1 known.
  • a clamping device comprising a variable-length piston rod, wherein the respective length of the piston rod corresponds to a pivoting angle of a clamping arm of the clamping device.
  • Object of the present invention is to develop a device of the type mentioned in such a way that the connection between the first rod member and the second rod member is particularly stable upon engagement of the locking means and thus an unintentional change in length or even complete release of the locking means is prevented. Furthermore, the device should allow a particularly simple and safe operation of the detent body.
  • the latching body is displaceable in the transverse direction by turning an adjusting means screwed into a threaded bore of the latching body, wherein the adjusting means passes through the latching body and the adjusting means engage in rotation in a direction of rotation for engaging the latching means a first end on the second rod member is supported.
  • the device thus makes it possible to move the locking body in the transverse direction by means of rotating the actuating means, for example by means of a tool, in particular a screwdriver, screw or Allen key, thus engaging the locking means of the locking body with the locking means of the second rod member bring.
  • a tool in particular a screwdriver, screw or Allen key
  • large forces can be applied in a simple manner in order to bring the locking means into engagement.
  • the formation of the locking body with the screwed adjusting means thereby enables a particularly stable and in particular play-free connection of the rod elements, so that a change in length of the rod or a release of the rod elements is hindered from each other even with large forces acting on the rod elements or forces acting on the rod elements vibrations or vibrations.
  • the adjusting means and a portion of the locking body contact the second rod member on opposite sides.
  • the second rod member in the transverse direction is clamped between the locking body and the actuating means, so that an unintentional displacement of the locking body, for example due to vibration or vibration of the device is prevented in the transverse direction with respect to the second rod member.
  • the second rod element has a groove formed in the axial direction on a side facing the actuating means, the groove receiving the first end of the actuating means.
  • twisting of the second rod member is prevented by the adjusting means.
  • a lateral deflection of the actuating means upon contacting the second rod member is prevented by the groove.
  • the transverse displacement of the actuating means can also be guided by the orientation of the groove in such a way that the actuating means is supported centrally on the second rod element or the actuating means centrally contacts the second rod element.
  • the adjusting means is supported when rotating in a different direction of rotation for disengaging the locking means on the housing.
  • the adjusting means is arranged at a contacting of the second rod member spaced from the housing.
  • the actuating means in the other Rotated direction of rotation, whereby the adjusting means shifts in the transverse direction with respect to the detent body until the actuating means rests against the housing.
  • the actuating means Upon further rotation of the actuating means in this direction of rotation of the locking body is moved in the corresponding opposite transverse direction, whereby the locking means are disengaged.
  • the adjusting means is rotated in the one direction of rotation and thus displaced in the transverse direction with respect to the detent body until the actuating means rests with its first end on the second rod member. Upon further rotation of the actuating means in this direction of rotation of the locking body is displaced in the transverse direction, that the locking means come into engagement.
  • the second rod element is designed as a toothed rack, wherein the toothing forms the latching means.
  • the second rod element on two opposite side surfaces has a toothing, wherein it is provided in particular that the two serrations are formed inclined to each other.
  • the locking body and the second rod element act in self-centering when engaging the locking means. Furthermore, a game between the second rod member and the detent body is minimized by the inclination of the toothings.
  • the adjusting means is designed as a screw, wherein in particular a first end opposite the second end of the actuating means is designed as a screw head.
  • a spring which is preferably designed as a plate spring, in particular as a cup spring package, is arranged. This prevents unintentional movement or rotation of the actuating means.
  • the device has in an advantageous development of a locking means for rotation of the actuating means, wherein the locking means in a position of the detent body in which the locking means are engaged, non-positively and / or positively with the detent body or the rod interacts.
  • the blocking means is mounted in the adjusting means, preferably screwed into the screw head of the screw designed as actuating means.
  • the blocking means may be, for example, a grub screw.
  • the housing in an advantageous development of an access opening, wherein the actuating means is disposed in an end position of the arm adjacent to the access opening.
  • the adjusting means without great effort, in particular without disassembly of the device.
  • a screwdriver or a hexagon key can be inserted into a screw head of the actuating means and rotated in the appropriate direction.
  • a toggle lever assembly cooperating with the arm is in an unlocked state.
  • the device In order to prevent foreign objects, for example dust or liquids, from penetrating through the access opening into the interior of the device, provision is made in particular for the device to have a cover for the access opening.
  • the device has a locking device formed in the first locking means which is displaceable according to the displacement of the locking body.
  • the first rod member has a second locking means, wherein the two locking means in a position of the detent body, in which the locking means are disengaged, are engaged.
  • the interaction of the two locking means prevents the latching body in disengaged locking means and thus in a state in which an axial displacement of the second rod member in the first rod member is intended so shifts in the transverse direction, that the locking means undesirable engage and prevent displacement of the second rod member in the first rod member.
  • the latching body has two opposite first locking means and the first rod element has two opposite second locking means.
  • the second locking means on a return means and a displaceably mounted in a direction opposite to the axial direction transverse locking member, wherein a displacement of the locking element outwards against the restoring force of the return means.
  • the first locking means is formed by a formed on a second locking means facing side of the detent body return.
  • the locking body is formed as a sleeve, wherein the second rod member passes through a through hole of the sleeve, the through hole has a first portion and a second portion, wherein the second rod member is axially slidably mounted in the first portion and the second portion has a plurality of locking means.
  • a plurality of locking means of the locking body with a plurality of locking means of the second rod member are engaged. This is the connection of Rod elements particularly stable against axial and transverse forces.
  • the first portion and the second rod member are designed such that a rotation of the second rod member is prevented about an axis of rotation formed in the axial direction. This can be done, for example, in that adjacent side surfaces of the latching body and the second rod member are formed flat.
  • the second rod member and / or the detent body in particular the through hole of the detent body has two opposite and inclined mutually formed side surfaces .
  • the second rod element and / or the passage opening of the latching body preferably has a cross section that tapers in the transverse direction, in particular a conically tapered cross section.
  • the first rod element at least one, preferably four in the axial direction acting on the locking body supporting means.
  • the support means is designed as a screwed end face in the first rod member screw.
  • the device is designed as a swivel with a pneumatic drive unit, wherein the drive unit comprises a cylinder and a displaceable in the axial direction in the cylinder piston, wherein the piston cooperates with the rod.
  • the drive unit comprises a cylinder and a displaceable in the axial direction in the cylinder piston, wherein the piston cooperates with the rod.
  • the device has a damping device.
  • the damping device is arranged in the cylinder of the drive unit, and has a sealing body for an outlet of the cylinder. This sealing body is displaceably mounted in the axial direction counter to a restoring force of a spring mounted in the piston. This ensures that the sealing body largely independent of the length of the rod closes the outlet of the cylinder with a corresponding displacement of the piston before reaching one of the end positions of the pivot arm.
  • an escape of a fluid located in a cylinder section adjacent to the outlet is throttled, whereby a pressure builds up in this section, which counteracts the movement of the piston and thus reduces the displacement speed of the piston. This dampens the displacement of the piston and consequently the pivotal movement of the arm.
  • the sealing body In order to achieve a throttled escape of the fluid upon interaction of the sealing body with the outlet, it is quite conceivable that the sealing body only partially closes the outlet and thus a throttled escape of the fluid through the outlet is possible.
  • the cylinder may also have one or more throttle outlets through which the fluid can escape from the cylinder when the sealing body interacts with the outlet.
  • the device designed as a swivel comprises a braking device, wherein the braking device has a rotatably mounted shaft and braking means for braking the rotation of the shaft, wherein a thread of the shaft cooperates with a displacement of the rod with a thread of the rod.
  • the braking device is controllable by means of a control device.
  • the device has no such braking device.
  • the change in the swivel angle or the swivel angle of a device designed as a swivel can for example be such that the locking means of the second rod member and the locking means of the detent body are disengaged by rotating the actuating means, whereby a displacement of the second rod member in the first rod member is made possible , It is quite conceivable that in this state, however, a certain static friction between the second rod member and the first rod member and / or the detent body is made difficult to move the rod elements in unblockten state of the rod. In order to change the length of the rod, an axial force must act on one of the rod elements from the outside in order to displace it with respect to the other rod element.
  • the displacement of the rod member may be such that, when disengaged locking means of the pivot arm of the device is pivoted manually, whereby the cooperating with the pivot arm rod member moves relative to the other rod member in the axial direction. Following this, the latching means of the latching body and the latching means of the second rod element can be brought back into engagement by turning the actuating means in the other direction of rotation and corresponding displacement of the latching body in order to block the rod.
  • the device comprises a toggle joint assembly, the rod cooperating with the arm via the toggle joint assembly to actuate the same.
  • the rod preferably the second rod member is connected via a fork rod with the toggle lever assembly.
  • the connection of the fork rod with the rod can be done by means of a fork rod and the rod passing through bolt.
  • the bolt passes through the fork rod in a direction transverse to the axial direction, especially in the other transversal direction. This prevents rotation of the rod about an axis of rotation formed in the axial direction.
  • the Fig. 1 to 4 show a device 1 for pivoting workpieces.
  • a pivotable about an axis 36 pivot arm 31 is connected via a toggle lever assembly 35 with a movable in a housing 2 of the device 1 in the axial direction Z rod 4.
  • the rod 4 is operated by means of a pneumatic drive unit 3, wherein the pneumatic drive unit 3 has a cylinder 34 and a piston 33 movable in the cylinder 34.
  • the rod 4 In order to allow a change in length of the rod 4, the rod 4, a first rod member 5 and a displaceable in the axial direction Z in the first rod member 5 mounted second rod member 6, wherein the rod 4 via a connected to the second rod member 6 fork rod 48th is connected to the toggle joint assembly 35.
  • the connection of the fork rod 48 with the second rod member 6 and the connection between the fork rod 48 and the toggle joint assembly 35 takes place in each case by means of a fork rod 48 and the toggle joint assembly 35 and the fork rod 48 and the second rod member 6 passing through bolt 49.
  • the bolt passes through 49 associated with the toggle link assembly 35, the fork rod 48 and a component of the toggle link assembly 35 in a direction transverse to the axial direction Z X and the bolt 48 associated with the second rod member 6, the second rod member 6 and the fork bar 48 in one to the axial direction Z other transverse direction Y by the connection of the second rod member 6 and the fork rod 48 by means of of the bolt 49 passing through in the other transverse direction Y, rotation of the second rod member 6 about an axis of rotation formed in the axial direction Z is prevented.
  • said latching body 9 has latching means 8, which with latching means 7 of the second rod member 6 are engageable.
  • the locking means 7, 8 are engaged and thus prevents displacement of the second rod member 6 in the first rod member 5 by the locking body 9.
  • the locking means 7, 8 are disengaged, whereby a displacement of the second rod member 6 in the first rod member 5 and thus a change in length of the rod 6 is possible, which leads to a change in a pivot angle ⁇ of the device 1.
  • the locking body 9 is displaceable by rotating a screwed into a threaded bore 39 of the locking body 9 actuating means 14 in the transverse direction X, wherein the adjusting means 14 passes through the locking body 9.
  • the Fig. 7 shows the rod in a blocked state and thus in a position of the locking body 9, in which the locking means 7, 8 are engaged.
  • the Fig. 10 shows the rod 4 in a unblocked state.
  • the adjusting means 14 In order to transfer the rod 4 from the unblocked state to the blocked state, the adjusting means 14 is rotated in a direction of rotation for engaging the locking means 7, 8, wherein when rotating in this direction of rotation, the actuating means 14 with a first end 15th is supported on the second rod member 6, whereby from the rotation of the actuating means 14, a transverse displacement of the Detent body 9 with respect to the rod 4 results and the locking means 7, 8 come into engagement.
  • the adjusting means 14 is supported when rotating in another direction for disengaging the locking means 7, 8 with a first end 15 opposite the second end 16 of the housing 2 from, as in Fig. 10 shown.
  • the adjusting means 14 is designed as a screw, wherein a screw head 16 of the screw forms the second end 16 of the actuating means 14.
  • the adjusting means 14 at a contacting of the second rod member 6 spaced from the housing 2 and at a contacting of the housing 2, the first end 15 spaced from the second rod member 6, whereby upon rotation of the actuating means 14 for blocking or Unblocking the rod 4, the adjusting means 14 is first displaced by a certain distance in the transverse direction until it rests against the second rod element 6 or on the housing 2 and is supported on the second rod element 6 or on the housing 2 during further rotation , resulting in a linear displacement of the detent body 9 in the transverse direction X results.
  • the locking body 9 is formed as a sleeve, wherein the second rod member 6 passes through a through hole 10 of the sleeve.
  • the passage opening 10 has a first portion 11 and a second portion 12, wherein the second rod member 6 is axially displaceable in the first portion 11 and mounted against rotation about a formed in the axial direction Z axis of rotation.
  • the second section 12 has a plurality of latching means 8, which can be brought into engagement with a plurality of latching means 7 of the second rod element 6.
  • Both the second rod element 6 and the latching body 9 each have two opposite and inclined mutually formed side surfaces 22, wherein the inclination of the side surfaces 22 is formed by the fact that both the Rod member 6 and the through hole 10 of the locking body 9 in the respective section 11, 12 have a conically tapered in the transverse direction X cross section, as in particular the Fig. 14 to 16 can be seen.
  • This design of the detent body 9 and the second rod member 6 causes a self-centering of the detent body 9 and the second rod member 6 in a transverse displacement of the detent body 9 for engaging the detent means 7, 8.
  • this shape of the detent body 9 and second rod member 6 reduces the transverse play between the second rod member 6 and the detent body 9.
  • the second rod element 6 has a groove 17 formed in the axial direction Z on a side facing the actuating means 14, wherein the Groove 17, the first end 15 of the actuating means 14 receives.
  • both the second rod element 6 and the latching element 9 each have a plurality of locking means 7, 8 spaced apart in the axial direction on two opposite side surfaces 22 on, in the blocked state of the rod 4 a plurality of locking means 7 of the second rod member 6 with the locking means 8 of the locking body 8 are engaged.
  • the second rod member 6 is formed as a rack with two opposing teeth 13, wherein the respective teeth 13, the locking means 7 of the second rod member 6 forms and the two serrations 13 are formed inclined to each other for self-centering.
  • the device 1 has two safety devices.
  • a spring 27 is arranged between the second end 16, designed as a screw head, of the adjusting means 14 designed as a screw and the detent body 9, which spring is designed as a disc spring assembly.
  • the device 1 has a blocking means 24 for preventing rotation of the actuating means 14.
  • This locking means 24 is formed by a screwed into the screw head 16 of the adjusting means 14 grub screw, the grub screw in the blocked state of the rod 4 to the locking body 9 frictionally applied and thus prevents unintentional rotation of the actuating means 14. This condition is in the Fig. 7 shown.
  • the locking body 9 has two opposite first locking means 18 and first rod member 5 two opposite second locking means 19, wherein the respective first locking means 18 in a position of the locking body 9, in which the locking means 7, 8 are disengaged, with each one of the second locking means 19 is engaged.
  • the second locking means 19 each have a return means 20 and a locking member 21 slidably mounted in the transverse direction Y to the other axial direction Z, wherein a displacement of the locking member 21 outwardly against the restoring force of the return means 20 takes place.
  • the first locking means 18 of the locking body 9 is formed by a formed on a second locking means 19 side facing the locking body 9 recess.
  • FIGS. 1 and 3 each a first end position of the pivot arm 31 and the Figures 2 and 4 in each case a second end position of the pivot arm 31st
  • the in the Fig. 2 and 4 illustrated second end position of the pivot arm 31 corresponds to a state in which the toggle lever assembly 35 is locked and thus prevents the pivot arm 31 is pivoted in the event of failure of the drive unit 3.
  • This second end position of the pivot arm 31 is independent of the length of the rod 4th
  • first end position of the pivot arm 31 corresponds to a state of the device 1, in which the piston 33 of the pneumatic drive unit 3 is driven down to a maximum and abuts a bottom 47 of the cylinder 34.
  • the pivot angle ⁇ for pivoting the pivot arm 31 from the first end position to the second pivot position depends on the length of the rod 4.
  • the rod length of the in the Fig. 1 and 2 illustrated device 1 is opposite to in the Fig. 3 and 4 shown device 1 shortened.
  • the resulting swivel angle ⁇ of the device 1 is 100 °, wherein a swivel angle ⁇ of 0 ° corresponds to a state in which a table 32 connected to the swivel arm 31 is aligned parallel to the axial direction Z, as shown in FIG Fig. 2 is shown by the dashed line.
  • the adjusting means 14 is independent of the length of the rod 4 adjacent arranged on an opening formed in the housing 2 access opening 25, so that the adjusting means 14 can be operated from the outside, for example by means of a screwdriver or wrench without dismantling the device 1 or to open the housing 2.
  • the Fig. 7 and 10 show the device 1 in this first end position of the pivot arm 31 in a sectional view.
  • the screw head 16 and the access opening 25 are dimensioned such that the screw head 16 for unblocking the rod 4 is supported with an edge region on an adjacent to the access opening 25 region of the housing 2.
  • the access opening 25 has a cover 26, wherein this cover 26 can be screwed into the housing 2.
  • a damping device 40 is arranged in the cylinder 34 of the pneumatic drive unit 3.
  • the damping device 40 has a counter to a restoring force of a spring 42 mounted in the piston 33 in the axial direction Z slidably mounted sealing body 41.
  • the sealing body 41 closes an outlet of the cylinder 34 after a certain distance of the piston 33, whereby an escape of air from the cylinder 34 is throttled, resulting in a damping of the stroke movement of the piston 33 and thus the pivoting movement of the pivot arm 31 leads.
  • a braking device 38 In order to brake the displacement of the rod 4 and thus the pivoting movement of the pivot arm 31, a rotatably mounted shaft 37 is arranged such that upon displacement of the rod 4, a thread 45 of the shaft 37 cooperates with a thread 46 of the rod 4. As a result, the shaft 37 is displaced during a displacement of the rod 4 in a rotation.
  • the braking device 40 has braking means 44, wherein the braking means 44 are externally controllable to brake the rotation of the shaft 37 more or less or to block a rotation of the shaft 37, whereby the Displacement of the rod 4 and thus the pivotal movement of the pivot arm 31 is braked or blocked.
  • the device 1 has no such braking device 38.
  • a braking device 38 can be dispensed with.
  • Such an embodiment of the device 1 shows the Fig. 22 ,
  • the device 1 has an interrogator 28 for determining the position of the rod 4 and thus for determining the position of the pivot arm 31.
  • the interrogator 28 comprises a sensor unit for detecting the position of an actuator 29, wherein the actuator 29 has a run from the housing 2 approach 30 and this approach 30 cooperates with the sensor unit.
  • the sensor unit has an optical sensor, the projection 30 covering the sensor in the first end position of the swivel arm 31 and not covering the sensor in the second end position of the swivel arm 31.
  • the position of the actuator 29 corresponds to the position of the rod 4, the rod 4 for the purpose of switching the actuator 29 has two switching elements 43, wherein one of the switching elements 43 with the first rod member 5 and the other switching element 43 present on the fork rod 48 with the second bar member 6 is mechanically connected and the two switching elements 43 interact mechanically with the actuating part 29.
  • This arrangement of the switching elements 43 ensures that the switching elements 43 cooperate with the setting part 29 in such a way that the position of the setting part 29 corresponds to the first or second end position of the pivoting arm 31, irrespective of the length of the rod 4.
  • the pivot arm 31 is first moved into the second end position, then the locking means 24 is released and the rod 4 by displacement of the locking body 9 by turning the actuating means 14 unblocked.
  • the adjustment of the desired swivel angle ⁇ can be effected by manual swiveling of the swivel arm 31, for example manually.
  • the latching means 7, 8 are brought into engagement by rotating the actuating means 14 in the other direction of rotation and thus the rod 4 blocked again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
EP16190813.2A 2016-09-27 2016-09-27 Dispositif de pivotement, de serrage ou de positionnement de pièces à usiner Withdrawn EP3299125A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16190813.2A EP3299125A1 (fr) 2016-09-27 2016-09-27 Dispositif de pivotement, de serrage ou de positionnement de pièces à usiner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16190813.2A EP3299125A1 (fr) 2016-09-27 2016-09-27 Dispositif de pivotement, de serrage ou de positionnement de pièces à usiner

Publications (1)

Publication Number Publication Date
EP3299125A1 true EP3299125A1 (fr) 2018-03-28

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EP16190813.2A Withdrawn EP3299125A1 (fr) 2016-09-27 2016-09-27 Dispositif de pivotement, de serrage ou de positionnement de pièces à usiner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000003805A1 (it) * 2020-02-24 2021-08-24 Pneumax S P A Unita’ di attuazione del tipo a leva articolata o a camma ad azionamento elettrico

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6416045B1 (en) 2000-07-25 2002-07-09 Norgren Automotive, Inc. Rotary clamp having predetermined adjustable clamping angles
US6616133B1 (en) 2001-07-18 2003-09-09 Norgren Automotive, Inc. Linear actuator having an adjustable piston rod
EP1524081A2 (fr) * 2003-10-16 2005-04-20 VEP Automation S.r.l. Unité de contrôle pour contrôler la position en fin de course d'un bras de serrage rotatif d'un dispositif de serrage à leviers articulés
DE102009054153A1 (de) * 2009-11-23 2011-05-26 De-Sta-Co Europe Gmbh Spannvorrichtung
DE102012103921A1 (de) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh Spannvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6416045B1 (en) 2000-07-25 2002-07-09 Norgren Automotive, Inc. Rotary clamp having predetermined adjustable clamping angles
US6616133B1 (en) 2001-07-18 2003-09-09 Norgren Automotive, Inc. Linear actuator having an adjustable piston rod
EP1524081A2 (fr) * 2003-10-16 2005-04-20 VEP Automation S.r.l. Unité de contrôle pour contrôler la position en fin de course d'un bras de serrage rotatif d'un dispositif de serrage à leviers articulés
DE102009054153A1 (de) * 2009-11-23 2011-05-26 De-Sta-Co Europe Gmbh Spannvorrichtung
DE102012103921A1 (de) * 2012-05-04 2013-11-07 De-Sta-Co Europe Gmbh Spannvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000003805A1 (it) * 2020-02-24 2021-08-24 Pneumax S P A Unita’ di attuazione del tipo a leva articolata o a camma ad azionamento elettrico

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