EP0849045B1 - Toggle lever clamping device - Google Patents
Toggle lever clamping device Download PDFInfo
- Publication number
- EP0849045B1 EP0849045B1 EP97122025A EP97122025A EP0849045B1 EP 0849045 B1 EP0849045 B1 EP 0849045B1 EP 97122025 A EP97122025 A EP 97122025A EP 97122025 A EP97122025 A EP 97122025A EP 0849045 B1 EP0849045 B1 EP 0849045B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intermediate member
- stop
- opening angle
- clamping assembly
- control element
- 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.)
- Expired - Lifetime
Links
Images
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 toggle lever tensioning device, consisting of a first linear actuator, an intermediate link articulated thereon and a second, rotatably mounted on a head piece, with the intermediate link articulated actuator for attachment a tension arm.
- Such devices are, for example, according to DE-U-93 11 132.
- End position query concerns it is a sensor-receiver sensors arranged on or in the head piece, on the one hand the clamping position of the Low tension and on the other hand its open position (Swing-back position) can be queried or set can. Attacks are assumed (as donor) on moving links of the actuating mechanism, which more or less complex on the headpiece slave, for example in shape So-called microswitches are assigned, but which, in particular adjustable for the opening position indicator must be arranged.
- Adjustability of the two sensors which is usually in housings attachable to the head piece or For example, also in coverable niches on the head piece accordingly changeable holding or adjusting means for these sensors are provided and also sufficiently movable Cable routing to the sensors.
- EP-A-0 255 853 is a toggle lever tensioning device known in which the movement of the Clamping arm by means of a motor driven Spindle is effected.
- the end position query is known on Way solved in that two sensors in one Guide groove are arranged movable but fixable. Thus, even with this clamping device The sensors change the end positions of the clamping arm be adjusted accordingly.
- the invention is based on a toggle clamp device of the type mentioned, what their end position detection concerns the task underlying this to improve in that the two end position sensors no adjustability and the associated These minimal arrangement space require more effort claim and the adjustability in particular the opening position of an immediate one Stop adjustment is withdrawn.
- the provided opening angle stop bar is included basically not adjustable according to the invention, but only movably assigned to the link link (will be explained in more detail), i.e. the adjustability the opening angle is not done here by means of "Encoder" (here stop bar), but this encoder is only intermediary of one made in his travel range Opening angle setting.
- Encoder here stop bar
- the toggle lever tensioning device is as follows based on the graphic representation of execution examples explained in more detail.
- FIG. 4 Because of the essential arrangement of the closed position cams 8 and opening angle stop bars in the intermediate link link 6 is initially referred to FIG. 4, the perspective of the assignment of these elements to each other clarifies.
- This design of the intermediate link piece also applies in particular to FIG. 3, since here the opening angle stop bar 9 in the same Is held and guided, i.e. the opening angle stop bar 9 is on two parallel guide leaf springs 11 attached in the intermediate link 6. Shown 4 is only the upper leaf spring.
- the opening angle stop bar is preferred as shown in Fig. 2, i.e., this is with two diagonally oriented slot slots 12 guided on guide pin 13 in the intermediate link 6.
- the "slant" of the slotted slots is included to be understood as shown, because this means that Return stroke of the actuator 1 together with the intermediate link piece 6 and putting on the opening angle stop bar 9 on the overrun stop 10 the stop bar 9 pushed up, at the same time offset transversely and comes with the part indicating the open position of the dual sensor 7 in contact.
- This scenery tour is more precise than the guidance by means of leaf springs 11, the but does the same.
- Aside from that very strong Assignment of the filler 17 shown schematically in the intermediate piece 14 is the desired opening angle setting very easy to carry out for the clamping arm 4, and without any adjustment interventions on or in Must make head 5.
- the clamping arm 4 With the filler 17 removed, the clamping arm 4 is in the brought desired opening angle position, where at the same time the intermediate link 6 and thus the Opening angle stop bar 9 in the direction of the actuator drive 1 'move. In this position it will Filler 17, which is toothed like the sleeve 10 ', so used that the overrun stop 10 on the drive side End of the opening angle stop bar 9, and toothing 16 and counter toothing 16 'for engagement come. Then only the filler 17 is closed again fix.
- the dual sensor 7 is advantageous, as in FIG 2 and 3 shown, housed in a small housing 7 ', that easily replaceable, i.e. only is locked in place on the housing or head piece 5.
- This can, for example, by arranged on the open side of the housing 7 ' Locking cams take place (not shown), which snapped into corresponding openings on the head piece 5 can be.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Mechanical Control Devices (AREA)
- Clamps And Clips (AREA)
Description
Die Erfindung betrifft eine Kniehebelspannvorrichtung, bestehend aus einem ersten, linear geführten Stellglied, einem daran angelenkten Zwischenglied und einem zweiten, an einem Kopfstück drehbar gelagerten, mit dem Zwischenglied gelenkig verbundenen Stellglied für die Anbringung eines Spannarmes.The invention relates to a toggle lever tensioning device, consisting of a first linear actuator, an intermediate link articulated thereon and a second, rotatably mounted on a head piece, with the intermediate link articulated actuator for attachment a tension arm.
Derartige Vorrichtungen sind bspw. nach dem DE-U- 93 11 132. Was nach dem Stand der Technik dabei die sogenannte Endstellungsabfrage betrifft, so handelt es sich um eine am bzw. auch im Kopfstück angeordnete Geber-Nehmer-Sensorik, über die einerseits die Spannstellung des Spannarmes und andererseits dessen Öffnungsstellung (Rückschwenkstellung) abgefragt bzw. eingestellt werden kann. Ausgegangen wird dabei von Anschlägen (als Geber) an beweglichen Gliedern der Stellmechanik, denen mehr oder weniger aufwendig am Kopfstück Nehmer bspw. in Form sogenannter Mikroschalter zugeordnet sind, die aber, insbesondere was die Öffnungsstellungsanzeige betrifft, einstellbar angeordnet sein müssen. Dies beansprucht Raum im Anordnungsbereich des Kopfstückes, da der Öffnungsstellungssensor zum Spannstellungssensor in einer Distanz angeordnet sein muß, die dem maximal möglichen Rückstellhub entspricht, dabei aber in einem gewissen Bereich einstellbar bleiben muß, um unterschiedlich gewünschten Öffnungsstellungen genügen zu können. Mit Rücksicht auf die Einstellbarkeit der beiden Sensoren, die in der Regel in am Kopfstück ansetzbaren Gehäusen untergebracht sind oder bspw. auch in abdeckelbaren Nischen am Kopfstück, müssen entsprechend veränderbare Halte- bzw. Einstellmittel für diese Sensoren vorgesehen werden und auch ausreichend bewegliche Kabelführungen zu den Sensoren.Such devices are, for example, according to DE-U-93 11 132. What is known as the state of the art End position query concerns, it is a sensor-receiver sensors arranged on or in the head piece, on the one hand the clamping position of the Low tension and on the other hand its open position (Swing-back position) can be queried or set can. Attacks are assumed (as donor) on moving links of the actuating mechanism, which more or less complex on the headpiece slave, for example in shape So-called microswitches are assigned, but which, in particular adjustable for the opening position indicator must be arranged. This takes up space in the Arrangement area of the head piece, since the opening position sensor arranged at a distance from the tension position sensor must be the maximum possible return stroke corresponds, but adjustable in a certain range must remain to differently desired opening positions to be enough. With respect to that Adjustability of the two sensors, which is usually in housings attachable to the head piece or For example, also in coverable niches on the head piece accordingly changeable holding or adjusting means for these sensors are provided and also sufficiently movable Cable routing to the sensors.
Aus dem DE-U- 93 11 132 ist eine Kniehebelspannvorrichtung bekannt, bei der die Mikroschalter an einer die Abdeckung für diese bildenden Mikroschalterhalterung als insgesamt austauschfähige Baueinheit (Platine) befestigt sind. Nachteilig an dieser Mikroschalterhalterung ist, daß auch hier für eine Abfrage unterschiedlicher Endstellungen des Spannarmes die Mikroschalter verstellt werden müssen. Dazu muß stets die Mikroschalterhaltung von der Kniehebelspannvorrichtung demontiert und die Mikroschalter entsprechend den Vorgaben darauf plaziert werden.From DE-U-93 11 132 is a toggle lever tensioning device known in which the microswitch on one the cover for this microswitch bracket attached as an overall interchangeable unit (circuit board) are. A disadvantage of this microswitch bracket is that here too for a query different End positions of the clamping arm adjusted the microswitches Need to become. To do this, the microswitch must always be held disassembled from the toggle clamp and the Microswitch placed on it according to the specifications become.
Ferner ist nach der EP-A-0 255 853 eine Kniehebelspannvorrichtung bekannt, bei der die Bewegung des Spannarmes mittels einer von einem Motor angetriebenen Spindel bewirkt wird. Die Endstellungsabfrage ist auf bekannte Weise dadurch gelöst, daß zwei Sensoren in einer Führungsnut beweglich aber fixierbar angeordnet sind. Somit müssen auch bei dieser Spannvorrichtung zur Änderung der Endstellungen des Spannarmes die Sensoren entsprechend verstellt werden. Gleiches gilt auch für eine Spannvorrichtung nach der FR-A-25 88 494.Furthermore, according to EP-A-0 255 853 is a toggle lever tensioning device known in which the movement of the Clamping arm by means of a motor driven Spindle is effected. The end position query is known on Way solved in that two sensors in one Guide groove are arranged movable but fixable. Thus, even with this clamping device The sensors change the end positions of the clamping arm be adjusted accordingly. The same applies to a tensioning device according to FR-A-25 88 494.
Der Erfindung liegt, ausgehend von einer Kniehebelspann-Vorrichtung der eingangs genannten Art, was deren Endstellungsabfragung betrifft, die Aufgabe zugrunde, diese dahingehend zu verbessern, daß die beiden Endstellungssensoren keiner Einstellbarkeit und dem damit verbundenen Aufwand mehr bedürfen, diese minimalen Anordnungsplatz beanspruchen und die Einstellbarkeit insbesondere bezüglich der Öffnungsstellung einer unmittelbaren diesbezüglichen Anschlagsverstellung entzogen ist.The invention is based on a toggle clamp device of the type mentioned, what their end position detection concerns the task underlying this to improve in that the two end position sensors no adjustability and the associated These minimal arrangement space require more effort claim and the adjustability in particular the opening position of an immediate one Stop adjustment is withdrawn.
Diese Aufgabe, die auch schon in der FR-A-2 339 766 gelöst ist, wird
durch die im Patentanspruch 1 angeführten Merkmale alternativ gelöst.This task, which has already been solved in FR-A-2 339 766, is achieved
alternatively solved by the features listed in
Unter "Zweifachsensor" ist dabei, egal welche Art von Sensor verwendet wird, ein Sensor zu verstehen, der nebeneinander zwei "Nehmer", was dies auch immer sei, aufweist. werden bspw. Mikroschalter verwendet, so kann es sich dabei um zwei unmittelbar nebeneinander angeordneten Einzelmikroschalter handeln, abgesehen davon, daß auch Mikrodoppelschalter für den vorliegenden Zweck handelsverfügbar sind. Gleiches gilt auch für andere Arten von Sensoren, also bspw. Induktionssensoren.Under "dual sensor" is no matter what type of Sensor is used to understand a sensor that is side by side has two "takers", whatever that may be. If, for example, microswitches are used, it can two directly next to each other Single microswitches act, apart from that too Micro double switches are commercially available for the present purpose are. The same applies to other types of Sensors, e.g. induction sensors.
Was den Schließstellungsnocken am Zwischengliedanlenkstück betrifft, so braucht dieser nur in relativ geringem Maße einstellbar zu sein, während die Öffnungsstellungsabfrage einen wesentlich größeren Bereich verlangt. Die dafür vorgesehene Öffnungswinkelanschlagleiste ist dabei erfindungsgemäß im Grunde nicht einstellbar, sondern lediglich beweglich dem Zwischengliedanlenkstück zugeordnet (wird noch näher erläutert), d.h., die Einstellbarkeit des Öffnungswinkels erfolgt hier nicht mittels des "Gebers" (hier Anschlagleiste), sondern dieser Geber ist nur Vermittler einer in seinem Stellweg vorgenommenen Öffnungswinkeleinstellung. Beim Auflaufen auf den einstellbaren Auflaufanschlag wird die Öffnungewinkelanschlagleiste je nach noch zu erläuternder Ausführungsform entweder gekippt oder quer verstellt und wird dadurch in Wirkstellung zum betreffenden Sensorteil gebracht.As for the closed position cam on the intermediate link link concerns, this needs only relatively little Dimensions to be adjustable during the opening position query requires a much larger area. The provided opening angle stop bar is included basically not adjustable according to the invention, but only movably assigned to the link link (will be explained in more detail), i.e. the adjustability the opening angle is not done here by means of "Encoder" (here stop bar), but this encoder is only intermediary of one made in his travel range Opening angle setting. When running onto the adjustable Overrun stop becomes the opening angle stop bar depending on the embodiment to be explained either tilted or transversely adjusted and is thereby in Active position brought to the relevant sensor part.
Die erfindungsgemäße Kniehebelspannvorrichtung wird nachfolgend anhand der zeichnerischen Darstellung von Ausfürhrungebeispielen näher erläutert.The toggle lever tensioning device according to the invention is as follows based on the graphic representation of execution examples explained in more detail.
Es zeigt
- Fig. 1
- stark schematisiert das Grundprinzip einer Kniehebelspannvorrichtung mit der erfindungsgemäßen Endstellungsabfrage;
- Fig. 2
- teilweise im Schnitt und in Ansicht eine besonders ausgebildete Kniehebelspannvorrichtung mit der bevorzugten Ausführungsform der Endstellungsabfrage;
- Fig.2A,B
- bauliche Einzelheiten zur Darstellung gemäß Fig. 2;
- Fig. 3
- eine Darstellung gemäß Fig. 2 mit einer anderen Ausführungsform der Endstellungsabfrage und
- Fig. 4
- zur besseren Veranschaulichung das Zwischengliedanlenkstück perspektivisch und teilweise aufgebrochen.
- Fig. 1
- highly schematized the basic principle of a toggle lever tensioning device with the end position query according to the invention;
- Fig. 2
- partly in section and in view a specially designed toggle lever tensioning device with the preferred embodiment of the end position query;
- Fig. 2A, B
- structural details for the representation according to FIG. 2;
- Fig. 3
- 2 with another embodiment of the end position query and
- Fig. 4
- for better illustration, the intermediate link piece in perspective and partially broken open.
Da hier im Grunde nur die Elemente für die Endstellungsanzeige interessieren und die Funktion der Stellmechaniken solcher Spannvorrichtungen hinlänglich bekannt sind, bedarf die Stellmechanik keiner besonderen Erläuterung. Insoweit ist es auch unwesentlich, daß es sich bei den Darstellungen nach den Fig. 2 bis 4 um besondere Ausführungsformen von Stellmechaniken handelt, denen aber das gleiche Funktionspronzip der schematischen Darstellung gemäß Fig. 1 zugrundeliegt.Because here basically only the elements for the end position display interested and the function of the actuating mechanisms such clamping devices are well known, the actuating mechanism requires no special explanation. In this respect, it is also immaterial that the 2 to 4 to special embodiments is about actuating mechanisms, but that same functional principle of the schematic representation based on FIG. 1.
Wegen der hier wesentlichen Anordnung von Schließstellungsnocken
8 und Öffnungswinkelanschlagleisten im Zwischengliedanlenkstück
6 wird zunächst auf Fig. 4 verwiesen,
die die Zuordnung dieser Elemente zueinander perspektivisch
verdeutlicht. Diese Gestaltung des Zwischengliedanlenkstücks
gilt auch insbesondere für Fig. 3, da
hierbei die Öffnungswinkelanschlagleiste 9 in gleicher
Weise gehalten und geführt ist, d.h., die Öffnungswinkelanschlagleiste
9 ist an zwei Parallelführungsblattfedern
11 im Zwischengliedanlenkstück 6 befestigt. Dargestellt
in Fig. 4 ist dabei nur die obere Blattfeder.Because of the essential arrangement of the closed
Bei entsprechender Gestaltung des Zwischengliedanlenkstückes
6 ist jedoch die Öffnungswinkelanschlagleiste bevorzugt
wie in Fig. 2 dargestellt ausgebildet, d.h.,
diese ist mit zwei schräg orientierten Kulissenschlitzen
12 an Führungszapfen 13 im Zwischengliedanlenkstück 6 geführt.
Die "Schrägstellung" der Kulissenschlitze ist dabei
wie dargestellt zu verstehen, denn dadurch wird beim
Rückhub des Stellgliedes 1 zusammen mit dem Zwischengliedanlenkstück
6 und einem Aufsetzen der Öffnungswinkelanschlagleiste
9 auf dem Auflaufanschlag 10 die Anschlagleiste
9 hochgedrückt, dabei gleichzeitig quer versetzt
und kommt mit dem die Öffnungsstellung anzeigenden Teil
des Zweifachsensors 7 in Kontakt. Diese Kulissenführung
ist exakter als die Führung mittels Blattfedern 11, die
aber das gleiche bewirkt.With a corresponding design of the
Die eigentliche Öffnungswinkeleinstellung erfolgt also
nicht mit der Anschlagleiste 9 selbst, sondern diese ist
nur Mittler für die Öffnungswinkeleinstellung am Auflaufanschlag
10, der vorteilhaft in einem zwischen dem
Kopfstück 5 und dem Stellgliedantrieb 1' angeordneten
Zwischenstück 14 vorgesehen ist, was es entbehrlich
macht, im Anschlußbereich des Kopfstückes 5 zum Stellgliedantrieb
1' hin entsprechende Elemente vorsehen zu
müssen. Unter Verweis auf die Fig. 2, 2A und 2B ist dieser
Einstellbereich derart ausgestaltet, daß der in einer
Ausnehmung 15 des Zwischenstückes 14 angeordnete Auflaufanschlag
10 in Form einer das Stellglied 1 mindestens zum
Teil umfassenden Hülse 10' mit einem Verzahnungsbereich
16 ausgebildet und dem Auflaufanschlag 10 ein in die Ausnehmung
des Zwischenstückes 14 passendes und an diesem
fixierbares Füllstück 17 mit einem Gegenverzahnungsbereich
16' zugeordnet ist. Abgesehen von der sehr stark
schematisiert dargestellten Zuordnung des Füllstückes 17
im Zwischenstück 14 ist die gewünschte Öffnungswinkeleinstellung
für den Spannarm 4 denkbar einfach durchzuführen,
und zwar ohne daß man Verstelleingriffe am bzw. im
Kopfstück 5 vornehmen muß.The actual opening angle setting is therefore carried out
not with the
Bei entferntem Füllstück 17 wird der Spannarm 4 in die
gewünschte Öffnungswinkelstellung gebracht, wobei sich
gleichzeitig das Zwischengliedanlenkstück 6 und damit die
Öffnungswinkelanschlagleiste 9 in Richtung des Stellgliedantriebes
1' bewegen. In dieser Stellung wird das
Füllstück 17, das ja wie die Hülse 10' verzahnt ist, so
eingesetzt, daß der Auflaufanschlag 10 am antriebsseitigen
Ende der Öffnungswinkelanschlagleiste 9 anliegt,
und Verzahnung 16 und Gegenverzahnung 16' zum Eingriff
kommen. Danach ist nur noch das Füllstück 17 wieder zu
fixieren. With the
Der Zweifachsensor 7 ist übrigens vorteilhaft, wie in
Fig. 2 und 3 dargestellt, in einem kleinen Gehäuse 7' untergebracht,
das leicht auswechselbar, d.h. lediglich
verrastbar am Gehäuse bzw. Kopfstück 5 fixiert ist. Dies
kann bspw. durch an der offenen Seite des Gehäuses 7' angeordnete
Verrastungsnocken erfolgen (nicht dargestellt),
die in entsprechende Öffnungen am Kopfstück 5 eingerastet
werden können.Incidentally, the dual sensor 7 is advantageous, as in FIG
2 and 3 shown, housed in a small housing 7 ',
that easily replaceable, i.e. only
is locked in place on the housing or
Claims (6)
- A toggle clamping assembly, comprising a first linear-guided control element (1),an intermediate member (2) hinged thereto,a second control element (3) rotably disposed on a header (5) and pivotally connected to the intermediate member (2) and serving for mounting a clamping arm (4),a dual sensor stationarily provided on the header (5) and directed toward a hinged element (6) of the intermediate member arranged on the upper end of the control element (1),an adjustable closing position cam (8) arranged on the pivot element (6) of the intermediate member, and a retractable stop bar (9) for the opening angle arranged in side-by-side relationship with the cam (8) and free-standing, on the drive side, on the pivot element (6), with an adjustable load stop (10) being arranged within the path of adjustment of the drive-sided end (9') of the opening angle stop bar (9) which stop (10) when sweeping the opening angle stop bar (9) will place the same into an actuated position relative to the dual sensor (7).
- A toggle clamping assembly according to claim 1, characterized in that the stop bar (9) for the opening angle is secured to two leaf springs (11) guided in parallel within the intermediate member pivot element (6).
- A toggle clamping assembly according to claim 1, characterized in that the stop bar (9) for the opening angle by means of guide pins (13) is guided in two link slots (12) within the intermediate member pivot element (6) that are oriented in oblique relationship to the control element (1).
- A toggle clamping assembly according to any one of claims 1 through 3, characterized in that the load stop (10) is provided in an intermediate member (14) arranged between the header (5) and the drive (1') of the control element (1).
- A toggle clamping assembly according to claim 4, characterized in that the load stop (10) is located within a recess (15) of the intermediate member (14), that it is of sleeve-shaped design (10') embracing the control element (1) at least in part and having a toothing area (16), and that associated to the stop (10) is a filling element (17) having a counter-toothing area (16'), which filling element fits into the recess of the intermediate member (14) and is fixable thereto.
- A toggle clamping assembly according to any one of claims 1 through 5, characterized in that the dual sensor (7) is arranged within a housing (7') open toward the intermediate memeber pivot element (6), and is easily replaceable on and engageable with the header (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19652469A DE19652469C1 (en) | 1996-12-17 | 1996-12-17 | Knee joint clamping tool |
| DE19652469 | 1996-12-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0849045A1 EP0849045A1 (en) | 1998-06-24 |
| EP0849045B1 true EP0849045B1 (en) | 2000-10-25 |
Family
ID=7814990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97122025A Expired - Lifetime EP0849045B1 (en) | 1996-12-17 | 1997-12-15 | Toggle lever clamping device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0849045B1 (en) |
| DE (2) | DE19652469C1 (en) |
| ES (1) | ES2152618T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10013874B4 (en) * | 2000-03-21 | 2013-04-18 | De-Sta-Co Metallerzeugnisse Gmbh | Toggle clamping device with opening angle limitation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2339766A1 (en) * | 1976-02-02 | 1977-08-26 | Polymatic Sa | CLAMPING HEAD EQUIPPED WITH AN INCORPORATED POSITION CONTROL UNIT |
| FR2431625A2 (en) * | 1978-07-17 | 1980-02-15 | Polymatic Sa | Lever-vice powered by two=way pneumatic jack - uses pneumatics to counter jack force being switched off as lever attains active position |
| FR2550115B1 (en) * | 1983-08-03 | 1986-06-27 | Thombor Rojac | TIGHTENING DEVICE |
| FR2588494B3 (en) * | 1985-10-11 | 1988-01-15 | Renault Automation | DEVICE FOR CLAMPING WORKPIECES |
| US4723767A (en) * | 1986-08-08 | 1988-02-09 | De-Sta-Co Division, Dover Resources, Inc. | Rotary powered linear actuated clamp |
| DE9311132U1 (en) * | 1993-07-26 | 1993-09-09 | Tünkers Maschinenbau GmbH, 40880 Ratingen | Toggle clamp device for body construction |
-
1996
- 1996-12-17 DE DE19652469A patent/DE19652469C1/en not_active Expired - Fee Related
-
1997
- 1997-12-15 DE DE59702523T patent/DE59702523D1/en not_active Expired - Fee Related
- 1997-12-15 ES ES97122025T patent/ES2152618T3/en not_active Expired - Lifetime
- 1997-12-15 EP EP97122025A patent/EP0849045B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2152618T3 (en) | 2001-02-01 |
| EP0849045A1 (en) | 1998-06-24 |
| DE19652469C1 (en) | 1998-04-23 |
| DE59702523D1 (en) | 2000-11-30 |
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