EP1253994B1 - Dispositif de serrage - Google Patents

Dispositif de serrage Download PDF

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Publication number
EP1253994B1
EP1253994B1 EP00902650A EP00902650A EP1253994B1 EP 1253994 B1 EP1253994 B1 EP 1253994B1 EP 00902650 A EP00902650 A EP 00902650A EP 00902650 A EP00902650 A EP 00902650A EP 1253994 B1 EP1253994 B1 EP 1253994B1
Authority
EP
European Patent Office
Prior art keywords
clamping
clamping device
rail
clamping rail
abutment
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
Application number
EP00902650A
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German (de)
English (en)
Other versions
EP1253994A1 (fr
Inventor
Horst Klimach
Siegfried Foshag
Karl Philipp
Hans Rösch
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.)
Bessey Tool GmbH and Co KG
Original Assignee
Bessey Tool GmbH and Co KG
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 Bessey Tool GmbH and Co KG filed Critical Bessey Tool GmbH and Co KG
Publication of EP1253994A1 publication Critical patent/EP1253994A1/fr
Application granted granted Critical
Publication of EP1253994B1 publication Critical patent/EP1253994B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar

Definitions

  • the invention relates to a clamping device with a slidably guided in its longitudinal direction of the clamping rail and an actuating device which comprises a handle member through which the clamping rail is displaceable, wherein on the clamping rail a first contact element is held.
  • the present invention seeks to provide a clamping device that is easy to use.
  • clamping rail is displaceable relative to the first contact element, that the first contact element is rotatable relative to the actuator that a second contact element is held on the clamping rail, that the clamping rail rotatably on the Actuator is mounted, wherein first and second contact element with the Clamping rail are rotatable, and that the clamping rail is infinitely rotatable with the investment elements held on it.
  • clamping device By clamping device according to the invention can be aligned with respect to a workpiece even with one-handed operation sitting on the clamping rail system elements without the actuator must be rotated or enclosed.
  • an investment element can rotate indefinitely because no housing parts in the way. Due to the immovability of the first contact element can on the one hand provide a contact surface for clamping a workpiece (this can in principle also be done by a contact surface of the actuator itself), on manufacturing technology simple way on the one hand, the rotation of this system element, the setting of a certain distance between the first contact element and the second contact element and a rotation is achievable, which does not change the relative orientation of the two contact elements in the rotation of the clamping rail.
  • the clamping rail is rotatably mounted on the actuating device, wherein first and second abutment member are rotatable with the clamping rail.
  • the clamping rail is infinitely rotatable with the investment elements held on it, in order to obtain a variety of applications.
  • the rotatability of the first contact element can be achieved in that it is rotatable against the clamping rail and / or the clamping rail with the first contact element is rotatable.
  • the clamping rail rotatably guided slidably.
  • the first contact element is then relative to the clamping rail rotatable.
  • the second contact element is then formed rotationally symmetrical transversely to the clamping rail. Upon rotation of the first contact element, however, the relative orientation between the first and the second contact element does not change.
  • the tensioning rail is displaceably guided by at least one bearing element. This ensures the displaceability of the tensioning rail.
  • the clamping rail is slidably guided by the bearing element.
  • bearing element itself is rotatably mounted on the actuating device in order to secure in this way, the rotation of the clamping rail.
  • the clamping rail has a flat profile, for example, a rectangular profile.
  • a tensioning rail can be produced inexpensively and is less prone to damage during operation, which could hinder Gleitverschiebrete.
  • a bearing element rotatably and slidably guides the tensioning rail, i.
  • Such a bearing element is designed as a rotary-sliding bearing.
  • Manufacturing technology is particularly favorable when at least one bearing element is designed as a groove bearing, which is arranged immovably and rotatably on the actuating device by a groove.
  • a groove bearing can be produced in a cost effective manner and also an assembly of a device according to the invention is possible in a simple manner, since such a groove bearing must only be used and no further fastening means, such as screws, are necessary.
  • the first contact element is held non-displaceably by means of a groove bearing with the tensioning rail on the housing of the actuating device.
  • the first contact element can be integrally or positively connected to the groove bearing.
  • a slidable mounting of the clamping rail is achieved and on the other hand a pivot bearing.
  • the first contact element is rotated with the clamping rail and therefore its orientation relative to the second contact element is maintained even during rotation.
  • the first contact element is held immovably on the housing of the actuating device, so that in a structurally simple manner with a displacement of the clamping rail, the distance between the first contact element and the second contact element changes.
  • the clamping device according to the invention can be operated in a simple manner, when the handle element comprises a pivotally arranged on the actuating device handle.
  • the handle element comprises a pivotally arranged on the actuating device handle.
  • a handle for each direction of movement of the clamping rail or even a single handle can be present in particular.
  • At least one advancing element is provided which is arranged and designed such that it can be tilted against the direction of displacement of the tensioning rail in order to block the displaceability of the tensioning rail relative to the advancing element, and in that it can move in the direction of displacement of the tensioning rail is.
  • a feed of the clamping rail can be achieved in one direction in a simple manner upon actuation of the gripping element.
  • a feed element is rotatably arranged in the housing of the actuating device in order to ensure the rotatability of the clamping rail.
  • a feed element via force applied by the handle member is tilted and movable.
  • a compression spring is arranged between which a restoring force on the feed element against the displacement direction is exerted between a feed element and a blocking element or holding element, then the feed element can be pushed back into its initial position in a simple manner, from which a further feed of the clamping rail can be actuated.
  • the locking element is rotatably mounted on a housing of the actuating device so as to achieve a largely backlash-free rotation of the clamping rail.
  • the blocking element or the holding element can be brought into a blocking position, in which a displaceability of the clamping rail is locked in one direction.
  • This locking element ensures that the clamping rail is displaceable only in a desired feed direction, while in the opposite direction, the shift is locked.
  • good clamping results can be obtained because the force acting on a workpiece, which is transmitted by the displacement of the clamping rail, acts only in one direction.
  • a high ease of use is achieved when a holding element is provided, through which the displaceability of the clamping rail can be blocked in one direction.
  • a blocking element is associated with such a holding element, by which the blocking element is durable in a non-locking position.
  • the holding element is non-rotatably arranged on the actuating device, on the one hand not to hinder the rotatability of the clamping rail and on the other hand to fulfill its holding function.
  • the holding element is fixable in a holding position, wherein a possibly provided blocking element is in the holding position in a non-locking position.
  • a possibly provided blocking element is in the holding position in a non-locking position.
  • the holding element can be fixed in its holding position by means of a coupling pin.
  • a contact surface for a feed element which limits the displaceability of a feed element in the opposite direction to the displacement direction of the tensioning rail, formed in a housing of the actuating device. This ensures that the advancing element is always pushed back into its initial position and can be brought into a position in which it does not hinder the displacement of the clamping rail.
  • the actuating device is formed essentially mirror-symmetrically to a median plane transverse to the direction of displacement of the tensioning rail. As a result, it can be achieved in a simple manner that the clamping rail is displaceable in two opposite directions and is thus used in particular as a clamping element and as a spreading element.
  • a first feed element for displacing the clamping rail in a first displacement direction and a second feed element for displacement in an opposite direction is provided.
  • the displacement mechanism can then be formed substantially the same, regardless of the direction of displacement, whereby the design effort is reduced.
  • first and second feed elements can be tilted in opposite directions.
  • a displacement of the tensioning rail can be accomplished in particular via oppositely pivotable handle lever.
  • a first gripping lever of the gripping element engages the first advancing element and a second gripping lever engages the second advancing element.
  • first and second handle levers are pivotable in opposite directions for engagement with the associated feed element.
  • a handle lever is provided, through which, depending on the pivoting direction, the first feed element or the second feed element are displaceable.
  • first compression spring, a first retaining element and optionally a first blocking element are associated with the first advancing element and the second advancing element is assigned a second compression spring, a second retaining element and optionally a second blocking element.
  • first and second retaining element can be coupled together so that when the first blocking element is in a blocking position, the second blocking element is in a non-locking position and vice versa.
  • the clamping rail is displaceable only in one direction, while the displacement is locked in the opposite direction. This ensures that the displacement of the clamping rail is a pure "clamping displacement” or a pure “spread", in which a workpiece in a force in one direction (either clamping direction or spreading) can be exercised.
  • a coupling device which can be fixed in a first position on the actuating device, wherein the first locking element is fixed in a non-locking position via the associated first retaining element and the second locking element is in a blocking position, and can be fixed in a second position, in which the first blocking element in a Locking position is and the second locking element is fixed on the associated second holding element in a non-locking position.
  • the coupling device which may for example be arranged as a sliding element on the housing or may be a separate plug-in element, then the displacement direction of the clamping rail can be switched.
  • the first blocking element is tilted in its blocking position in the opposite direction to the second advancing element during its displacement and accordingly tilted the second blocking element in the opposite direction to the first advancing element during its displacement.
  • Such a tilting of the locking element in the opposite direction to the associated feed element allows a displacement of the feed element itself, since the displacement, in which the clamping rail is moved, counteracts the tilting of the locking element and thus their locking position is canceled for the displacement in the direction of displacement of the clamping rail.
  • the clamping rail is not displaced by this tilting in the opposite direction, since the blocking acts in this direction.
  • the second feed element is secured against tilting and secured in the second position, the first feed element against tilting.
  • the clamping device according to the invention can be produced in a cost-effective manner, when the housing of the actuating device is formed and provided with recesses is that the movable parts are fixed solely on the acting as a contact surfaces recesses with respect to the housing. There are then no screw or the like necessary, but the parts are held solely on the recesses, so that in particular the clamping device is quickly and easily assembled.
  • the housing also protects the movement mechanism for shifting the tensioning rail and grease or oil to increase the mobility is not removed in the working use of the moving parts.
  • the housing of the actuating device comprises a first housing part and a second housing part, which can be fixed to one another. It can then use the components in the first housing part, whereupon then the second housing part is fixed to the first housing part. As a result, then the corresponding parts are fixed in the housing.
  • the fixation of the two housing parts can be done in a simple manner, for example via screw connections.
  • first contact element and / or the second contact element are designed as an attachment bracket or as a contact washer.
  • a contact element substantially equally trained contact surfaces transverse to the longitudinal direction of the clamping rail.
  • a contact element can be used both for clamping a workpiece on a contact surface and for spreading on the other contact surface.
  • the first contact element and / or second contact element with respect to the clamping rail are rotatable, for example by such a contact element in a rotary bearing, which is non-rotatably mounted on the clamping rail, is rotatable.
  • the contact elements can be rotated with the tensioning rail, whereby their relative orientation is maintained and, on the other hand, the relative orientation can be adjusted.
  • a coupling element is provided, by means of which the first contact element and the second contact element are coupled together so that they are rotated upon rotation of the clamping rail with this. It is then sufficient to fix a contact element rotationally fixed to the clamping rail. The other contact element is taken on rotation of the clamping rail on the coupling element.
  • a rotation of a contact element relative to the clamping rail can be achieved in a simple manner that the contact element sits by means of a pivot bearing on the clamping rail.
  • a first embodiment of a tensioning device according to the invention which is designated as a whole in FIG. 1 by 10, comprises an actuating device 12 and a tensioning rail 14, which is displaceably guided on the actuating device 12 and whose displacement can be actuated via the actuating device 12.
  • the actuating device 12 has a housing 16 and in particular a closed housing in which the clamping rail 14 is slidably guided.
  • the tensioning rail 14 has a flat profile and, as shown in FIG. 4, has a substantially rectangular cross section, in particular with lateral indentations.
  • a first bearing element 18 in the form of a bearing disk is arranged in the housing 16 of the actuating device 12, which has a centrally arranged recess 20 in which the tensioning rail 14 is guided in a sliding manner (FIG. 4).
  • the recess 20 is designed so that the clamping rail 14 is not rotated against the first bearing element 18.
  • the first bearing element 18 is rotatably arranged in the housing 16, wherein a block element 24 of the housing 16 with an end face 26 provides a particular annular contact surface for the first bearing element 18, which is oriented perpendicular to a longitudinal direction of the clamping rail 14.
  • the block element 24 is seated in the variant of an embodiment shown symmetrically and in particular mirror-symmetrical to a median plane 30 of the actuator 12.
  • a contact surface for a second rotatable bearing element 34 is formed, which is the same structure first bearing element 18 and through which the clamping rail 14 is also guided.
  • a first groove bearing 36 is furthermore arranged on a first passage 38 of the tensioning rail 14 through the housing 16 and a second groove bearing 40 on a second passage 42 of the housing 16, which lies opposite the first passage 38.
  • a groove bearing 36, 40 is formed by a disk-shaped element which is provided on its cylindrical surface with a groove-shaped recess 44.
  • This groove-shaped recess 44 has a width which substantially corresponds to the housing wall in the region of an associated passage 38, 42.
  • the groove bearing 36 is rotatably mounted in the first passage 38 and the second groove bearing 40 in the second passage 42 with a corresponding cylindrical shape of the associated passage 38, 42.
  • the groove bearings 36 and 40 each have a recess which is configured substantially the same as the recess 20 ( Figure 4) in the first bearing element 18 and in alignment therewith (And to the corresponding recess of the second bearing element 34) is arranged and in which the clamping rail 14 is slidably guided.
  • a first contact element 46 is connected, for example by positive engagement or in one piece.
  • the first abutment element 46 is designed, in particular, as an abutment bow, which is oriented transversely to the tensioning rail 14.
  • a pivot bearing 47 is non-rotatably mounted on the groove bearing 40, so that this pivot bearing 47 is rotated with the clamping rail 14.
  • the first support bracket 46 is rotatably held in this pivot bearing 47, wherein it is fixable, for example by friction or positive engagement in its rotation in the pivot bearing 47.
  • the first support bracket 46 can be rotated as a whole with rotation of the clamping rail and regardless of relative to the clamping rail to the pivot bearing 47th
  • a second contact element 48 is the first support bracket 46 facing the clamping rail 14 and in particular at one end thereof held, for example by positive engagement.
  • the two abutment elements 46 and 48 are aligned in a defined orientation to each other and in particular substantially parallel or in a slight inclination to each other.
  • the second contact element 48 is formed as a support bracket ( Figure 2).
  • the second abutment element is designed as a particularly circular abutment disc 49 (FIGS. 8, 9), which is held centrally on the tensioning rail 14.
  • an annular contact part 51 on the contact disk 49 may be formed facing the first contact element in order to provide a contact surface which corresponds to that of the first contact element, in particular with respect to the dimensions in the radial direction.
  • the contact part 51 and a contact surface of the first contact element are aligned with each other.
  • this first groove bearing 36 is optionally facultatively arranged a first blocking element 52 which is rotatable relative to the housing 16 and substantially the same as the first bearing element 18.
  • the first blocking element 52 is associated with a first holding element 54, on which the first blocking element 52 can be applied.
  • This first holding element 54 has a passage opening 56 for the tensioning rail 14, in which it is rotatable. It extends transversely to the clamping rail 14 through the housing 16 and exits at an opening 58 out of this, so that the first holding member 54 is movable from outside the housing 16.
  • the first holding element 54 has a holding part 60, which is formed flat, for example, a guide member 62, which is arranged at an angle, for example, in the order of 20 ° to the first blocking element 52, and further a handle portion 64, which is substantially parallel to Holding member 60 is and protrudes beyond the opening 58 from the housing 16 so that the first holding member 54 can be moved (in particular in the direction of the first bearing member 18 to).
  • the function of the guide member 62 will be explained below.
  • the first holding element 54 can be brought into a position 66 (indicated in dashed lines in FIG. 1), in which the holding part 60 is oriented perpendicular to the tensioning rail 14 and can be fixed in this position.
  • the first blocking element 52 is aligned perpendicular to the clamping rail 14, and the clamping rail 14 is thereby not jammed by the first blocking element 52, d. H. whose mobility is not hindered.
  • a compression spring 68 is arranged which exerts a force on the first blocking element 52 in the direction away from the first bearing element 18 and presses the first blocking element 52 against the holding element 54 and in particular from the first bearing element 18 tilted away when the first holding member 54 is not in its vertical position 66.
  • the compression spring 68 is in particular able to tilt the blocking element 52 and the first holding element 54 so far that the blocking element 52 blocks the displacement of the tensioning rail 14 in the direction A.
  • a first blocking element 52 is assigned to the second bearing element 34, a second locking element 70, a second retaining element 72 and a second compression spring 73 between the second locking element 70 and the second bearing element 34 assigned.
  • the second holding element 72 is of the same design as the first holding element 54 and arranged in the same orientation (that is, not mirror-symmetrical with respect to the median plane 30).
  • a guide part 74 of the second holding element 72 is therefore arranged at a small angle to a holding part 76 away from the second bearing element 34.
  • the second holding element 72 and thus also the second blocking element 70 can be tilted in a direction away from the second bearing element 34 in order to clamp the tensioning rail 14 accordingly.
  • the first blocking element 52 and the second blocking element 70 can therefore be tilted in opposite directions.
  • the first handle lever can be pivoted about a pivot axis 82 in the direction of the first handle lever 78, ie in a direction away from the first bearing element 18.
  • the second handle lever 80 can be pivoted in the direction of the first handle lever 78, ie away from the second bearing element 34.
  • the first handle lever 78 and the second handle lever 80 are each formed as a two-armed lever, each with an eccentric 84 and 86, which acts on pivoting of the associated handle lever on the associated first bearing element 18 and the second bearing member 34 to this against the clamping rail 14 tilt and move in a direction of displacement of the clamping rail, thereby causing the displacement itself of the clamping rail 14.
  • the bearing elements 18 and 34 therefore act as feed elements for the clamping rail 14, wherein this feed takes place against the spring force of the compression springs 68 and 73, respectively.
  • the handle member 77 is adapted to be placed in a user's hand and to be operated with one hand; ie, the tensioning device is a one-handed tensioning device.
  • the tensioning device is a one-handed tensioning device.
  • a handle lever is fixed and the other handle lever is pivotable.
  • the second handle lever 80 is fixed and the first handle lever 78 to the second handle lever 80 to pivot.
  • the first Handle lever 78 fixed and the second handle lever 80 can pivot in the direction of the first handle lever 78 about the pivot axis 82.
  • a coupling device is provided as a switching device for the displacement direction, which is designated as a whole by 88 in FIGS. 1, 3 and 6.
  • the coupling device 88 as shown in Figure 3, a sliding element 90, which is arranged as a whole transversely to the longitudinal direction of the clamping rail 14 slidably on the housing 16 of the actuator 12.
  • spaced parallel guide grooves 92a, 92b are formed on the housing, which are aligned perpendicular to the displacement directions A and B and in which in each case a guide pin 94a, 94b of the sliding element 90 engages.
  • retaining lugs 96a and 96b are arranged on the sliding element 90, which each serve to position the second retaining element 72 and the first retaining element 54. They are arranged so that only one of the two holding elements 54 and 72 is in a vertical position 66, that is, either the first holding element 54 in such a position and the second holding member 72 is tilted (for a displacement of the clamping rail 14 in the direction B) or the second retaining element 72 is tilted and the first retaining element 54 in its vertical position 66 (for a displacement in the direction A).
  • the two retaining lugs 96a and 96b have to the same distance to the substantially Clamping rail 14 on. They engage with the respective guide part 62, 74 of the first holding element 54 or the second holding element 72, which serves to transfer the holding lugs 96a, 96b between a fixing position for the holding element 72 or 54 and a non-holding position.
  • the sliding element 90 comprises retaining lugs 98a and 98b, which serve in each case as anti-tilt device for the first bearing element 18 (retaining lug 98b) or the second bearing element 34 (retaining lug 98a).
  • the retaining lugs 98a and 98b are arranged and formed so that either the first bearing element 18 is secured against tilting and displacement (in the displacement of the clamping rail in the direction B) or the second bearing element 34 is protected against tilting and displacement (during displacement in the direction A).
  • a tilt lock is shown in solid lines, which allows only a shift in the direction B, and in dashed lines an anti-tip device that allows only a shift in the direction A.
  • the two retaining lugs 98a and 98b are connected via a web element 100 (FIG. 3), which is pivotably connected between the eccentric elements 84 and 86 with an axis of rotation 102 parallel to the pivot axis 82 on the housing 16 and is likewise pivotably connected to the first retaining lug 98a.
  • the retaining lug 98b also moves across the rotated web element 100 transversely to the tensioning rail 14, such that upon movement of the sliding element 90 into a holding position relative to the second bearing element 34, the retaining lug 98a is moved into a holding position for the second bearing element 34 and the retaining lug 98 b of a Holding position for the first bearing element 18; with a corresponding reverse displacement of the sliding element 90, the conditions are reversed.
  • first contact element 48 and the second contact element 46 are formed substantially the same.
  • each contact element has a substantially identical first contact surface 106, which is arranged facing the other contact element, and a second contact surface 108, which is arranged facing away from the other contact element (FIG. 2).
  • the clamping device according to the invention can advantageously be used for clamping (clamping) and spreading.
  • the two contact elements 48 and 46 have an aligned flat lower surface 110, to which the contact elements 48 and 46 are adjustable.
  • the tensioning device according to the invention functions as follows:
  • the tensioning rail 14 can be displaced in the direction B, ie. H. the two contact elements 48 and 46 can be moved away from each other. If, starting from this position, the sliding element 90 is displaced upward, then the displacement direction can be switched in the opposite direction A, in which the two contact elements 48 and 46 can be moved towards each other.
  • the pivoting of the first handle lever 78 is locked.
  • the first bearing element 18 is oriented perpendicular to the longitudinal direction of the tensioning rail 14.
  • the first holding element 54 is not in the position 66, so that the first blocking element 52 is tilted against the direction of displacement and thus jammed with the clamping rail 14. As a result, the displacement of the tensioning rail 14 in the direction A is blocked.
  • the second handle lever 80 can only be pivoted to a certain pivot angle.
  • the second compression spring 73 pushes the second bearing member 34 back to its home position. Since it is no longer subjected to force on the second handle lever 80, the tilt is released, which allows the pushing back of the bearing element 34. Due to the blocking position of the first locking element 52 is ensured that upon retraction of the second bearing element 34, the clamping rail 14 is not moved back in the direction A. Since this first blocking element 52 is tilted in the direction A, a displacement in the direction B, as it is effected via the second bearing element 34, counteracts this tilting and thus does not hinder the displacement in the direction B.
  • the retaining lug 96 b By displacement of the sliding element 90, the retaining lug 96 b is pushed along the guide part 62 of the first holding member 54 that this is displaced into the vertical position 66 and thus the first blocking element 52. Furthermore, the retaining lug 96 a, the previously the second holding member 76th held in a vertical position, pushed out, so that due to the action of the spring force of the second compression spring 73, the second locking element 70 and the second support member 76 tilt. At the same time, the retaining lug 98a is displaced toward the second bearing element 34, so that it is no longer tiltable and the pivotability of the second handle lever 80 is locked. By the displacement of the retaining lug 98a, the retaining lug 98b is pivoted away from its locking position on the first bearing element 18 and thereby released.
  • first handle lever 78 pivot against the second handle lever 80, thereby tilting the first bearing member 18 and move the clamping rail 14 in the direction A due to its design as a feed element to move the two contact elements 46 and 48 toward each other.
  • the displacement in the direction B is blocked in the direction B due to the tilting of the second locking element 70.
  • the clamping rail 14 Due to its rotatable mounting, the clamping rail 14 is independent of the position of the sliding element 90 with respect to the housing 16 of the actuator 12 unlimited, d. H. rotatable by any angle. As a result, a set orientation of the two abutment elements 46 and 48 remains relative to each other even upon rotation of the clamping rail 14 is obtained.
  • a grip element 122 is provided with a first handle lever 124 which is pivotally mounted about a first pivot axis 126 and a second handle lever 128 which is pivotally connected about a second pivot axis 130 which is parallel to the first pivot axis 126 ,
  • a pivot bearing 123 for the first Handle lever 124 is formed by a pin 125 about which the first handle lever 124 is rotatable.
  • a same pivot bearing 127 with a pin 129 is formed for the second handle lever 128 in the same way.
  • a web member 132 is slid over the pins 125 and 129 to couple the two handle levers 124 and 128 together.
  • the housing 16 has a recess 133 in which at least one of the web elements 132 is guided displaceably parallel to the clamping rail 14; not only a pivoting is achieved in the application of force to a handle lever 124 and 128, but on the or the web elements 132, the two coupled handle lever 124 and 128 are shifted together. It can then be achieved via the pivoting of the handle lever 124 and 128, a displacement of the rod member 132 in the direction of displacement of the clamping rail 14, whereby at the same pivot angle a longer displacement of the clamping rail 14 is reached, since to some extent the handle lever 124 and 128 respectively the advancing element 18 and 34 is tracked. It is thus a slide track for the handle lever 124 and 128 is formed.
  • mutually associated recesses 138 and 140 and mutually associated recesses 142 and 144 are provided.
  • a pin can be inserted, which blocks the tilting of the second bearing element 34.
  • a pin insert which blocks the tilting of the first bearing element 18.
  • a pin can be inserted, which brings the first holding member 54 in a vertical position in which the first locking element 52 is in a non-locking position for the displacement of the clamping rail 14.
  • a pin can be inserted, which fixes the second holding member 72 in a vertical position in which the locking element 70 is not jammed against the clamping rail 14.
  • a coupling element is provided as a switching element, for example in the form of a bridge element, which has a web on which pins are arranged at a certain distance (not shown in the figures).
  • This coupling element can then be arranged on the housing 16 so that in a first position, the displacement of the clamping rail in one direction is possible and the displacement is locked in the other and vice versa in a second position accordingly.
  • the coupling element is arranged so that it is inserted into the recesses 138 and 140, then a displacement of the clamping rail in the direction A is released.
  • the coupling element thus forms, together with the recesses 138, 140, 142 and 144, a switching device for switching over the direction of displacement of the tensioning rail 14.
  • tensioning device 120 functions substantially the same as described above for the tensioning device 10.
  • the housing 16 is formed so that it comprises a first housing part 146 (see for example Figure 5), which is provided for example with recesses 38, 42, 50, in which the movable parts can be inserted.
  • a second housing part (not shown in the figure) on the first housing part can then fix these parts in their recesses, without having to be screwed. It is then sufficient to connect only the two housing parts together, for example via screws. As a result, the production cost can be kept low.
  • a tensioning device which is designated as a whole in Fig. 6 at 150, in a housing 152 opposite each a rotary-slide bearings 154 and 156 are arranged, in which a clamping rail 158 both rotatable about a longitudinal axis 160 as is also slidably mounted in the direction of the longitudinal axis 160.
  • Such a rotary-slide bearing 154 or 156 is formed by a circular recess 162, wherein around the circumference of the recess 162 a cylindrical flange 164 is seated to ensure the Gleitverschiebige the tensioning rail 158.
  • the clamping rail 158 has a circular profile with opposite lateral recesses 165.
  • a first abutment element 166 which is designed in particular as an abutment bar, is held on the housing 152 in such a way that it is immovable against it and thus the actuating device 12.
  • cylindrical recess 167 in the first contact element 166 the clamping rail 158 relative to this first contact element 166 slidably.
  • annular recess 170 is provided into which a corresponding flange of the rotary sliding bearing 156 dips, on the one hand to ensure the rotatability of the first contact element 166 relative to the housing 152 and on the other hand this immovably with respect to the housing 152 hold.
  • the first contact element 166 itself is rotatably held in a variant of an embodiment of the clamping rail 158, so that upon rotation of the clamping rail 158 relative to the actuating device 12, the first contact element 166 is rotated.
  • diametrically opposite strips 169 which engage in the groove-shaped recesses 165 ( Figure 7).
  • a second contact element 172 is also held immovably and in particular rotationally fixed.
  • This second contact element 172 may be formed as a support bracket.
  • the first abutment member 166 is rotatably disposed relative to the clamping rail 158, for example, sit in the recess 167 no strips for engagement in the recesses 165 or the Clamping rail 158 has no such recesses at all. It can also be an additional pivot bearing, as described in connection with the first embodiment ( Figure 1, pivot bearing 47) may be provided.
  • the coupling rod 174 is provided with a guide recess 176 with respect to the second contact element 172 or with respect to the first contact element 166 or with respect to both contact elements 166 and 172 slidably guided.
  • the mechanism for advancing the tensioning rail 158 functions independently of the type of fixing of the first contact element 166 on the tensioning rail 158 in FIG essentially the same, as has already been described in connection with FIG. 1.
  • Feed elements 178 and 180 are likewise provided, between which a block element 182 is arranged.
  • the feed elements 178 and 180 are each tiltable against the clamping rail 158 in order to jam with this and then move them in the direction A or B can.
  • the feed elements 178 and 180 have central recesses through which the clamping rail 158 is guided and in which it is rotatable relative to the feed elements.
  • clamping rail 158 is rotatably guided in the feed elements 178, 180, for example, by holding elements of the feed elements 178, 180 engage in the recesses 165 of the clamping rail 158.
  • the feed elements 178, 180 must then as Whole be rotatably mounted in the housing.
  • holding members 184 and 186 are provided which function in the same manner as the holding members 64 and 74 and the locking members of FIG. In the embodiment shown in Fig. 6, no separate locking elements and retaining elements as shown in Fig. 1 are provided, but the holding elements 184 and 186 take over both the locking and the holding function.
  • a handle lever 188 is provided, which is arranged pivotably with a pivot axis 190 transversely to the displacement direction of the clamping rail 158 on the housing 152.
  • This handle lever 188 is pivotable in both pivoting directions. In a rest position it is perpendicular to the longitudinal axis 192 Longitudinal axis 160 of the clamping rail 158 aligned, in which orientation the longitudinal axis 192 is located in particular in a median plane of the housing 152.
  • each of the handle lever 188 is pivotable, and each serve as a solid handles.
  • the switching device for blocking the displaceability of the clamping rail 158 in one direction and for switching the blocking direction is basically the same as already described in connection with FIG.
  • the coupling device 88 is set so that the tilting of the feed element 178 and its transport is locked in the direction A, then can be tilted by pivoting the handle lever 188 to the counter element 196 towards the feed element 180 and move in the direction B, whereby the Clamping rail 158 is moved in the direction B.
  • the handle lever 188 can pivot toward the counter element 194 in order to be able to displace the tensioning rail 158 in the direction A.
  • a tensioning rail 200 is slidably but not rotatably guided to a housing 202 of the actuator 12.
  • a first contact element 204 sits immovably to the actuating device 12 on the clamping rail 200 and is rotatable relative to this, for example via a pivot bearing 206.
  • the first abutment member 204 is rotatable relative to the actuator.
  • a second contact element 208 which is in particular rotationally symmetrical about a longitudinal axis of the tensioning rail 200, is seated on the tensioning rail 200 (FIGS. 8, 9).
  • the contact element has, for example, a shape already described above in connection with the contact element 49. Nevertheless, due to the rotation of the first abutment element 204 relative to the second abutment element 208, its relative orientation is maintained because of the symmetrical design of the second abutment element 208.
  • the feed mechanism for the clamping rail 200 is basically the same design as described in connection with the other embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Seats For Vehicles (AREA)

Claims (44)

  1. Dispositif de serrage comprenant un rail de serrage (14 ; 200) guidé de façon mobile dans sa direction longitudinale et un dispositif d'actionnement (12) qui comprend un élément formant poignée (77) par lequel le rail de serrage (14 : 200) est mobile, où un premier élément d'appui (46 ; 204) est fixé sur le rail de serrage (14 ; 200),
    caractérisé
    en ce que le rail de serrage (14 ; 200) est mobile par rapport au premier élément d'appui (46 ; 204),
    en ce que le premier élément d'appui (46, 204) peut tourner par rapport au dispositif d'actionnement (12),
    en ce qu'un deuxième élément d'appui (48 ; 208) est fixé sur le rail de serrage (14 ; 200),
    en ce que le rail de serrage (14) est monté de manière à pouvoir tourner sur le dispositif d'actionnement (12), où les premier et deuxième éléments d'appui peuvent tourner avec le rail de serrage (14), et
    en ce que le rail de serrage (14) peut tourner, de façon illimitée, avec les éléments d'appui (46, 48) fixés sur celui-ci.
  2. Dispositif de serrage selon la revendication précédente, caractérisé en ce que le rail de serrage (14) est guidé de façon mobile par au moins un élément support (36, 40).
  3. Dispositif de serrage selon la revendication 2, caractérisé en ce que l'élément support (36, 40) est monté de façon à pouvoir tourner sur le dispositif d'actionnement (12).
  4. Dispositif de serrage selon la revendication 2 ou 3, caractérisé en ce qu'un élément support (36, 40) guide le rail de serrage (14) de façon mobile, par glissement, et fixe en rotation.
  5. Dispositif de serrage selon l'une quelconque des revendications 2 à 4, caractérisé en ce que le rail de serrage (14) présente un profilé qui est configuré de manière telle, que puisse être bloquée la capacité de rotation du rail de serrage (14), par rapport à un élément support (36, 40) par lequel le rail de serrage (14) est guidé de façon mobile.
  6. Dispositif de serrage selon la revendication 5, caractérisé en ce que le rail de serrage (14) présente un profilé plat.
  7. Dispositif de serrage selon la revendication 6, caractérisé en ce qu'un élément support (154 ; 156) guide le rail de serrage (158) de façon pivotante et mobile par glissement.
  8. Dispositif de serrage selon l'une quelconque des revendications 2 à 6, caractérisé en ce qu'au moins un élément support (36, 40) est configuré comme un palier rainuré qui, grâce à une rainure (44), est disposé sur le carter (16) du dispositif d'actionnement (12), de façon fixe et pivotante.
  9. Dispositif de serrage selon la revendication 8, caractérisé en ce que le premier élément d'appui (46) est retenu sur le dispositif d'actionnement (12), par un palier rainuré (40), en étant fixe et pouvant tourner avec le rail de serrage (14).
  10. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément formant poignée (77) comprend une poignée (78, 80 ; 188) disposée de façon à pouvoir pivoter sur le dispositif d'actionnement (12) .
  11. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu au moins un élément d'avance (18, 34) qui est disposé et configuré de manière telle, qu'il puisse basculer dans le sens inverse de la direction de déplacement (A, B) du rail de serrage (14), pour bloquer la mobilité du rail de serrage (14) par rapport à l'élément d'avance, et en ce qu'il est mobile dans la direction de déplacement (A, B) du rail de serrage (14).
  12. Dispositif de serrage selon la revendication 11, caractérisé en ce qu'un élément d'avance (18, 34) est disposé de façon pivotante dans un carter (16) du dispositif d'actionnement (12).
  13. Dispositif de serrage selon la revendication 11 ou 12, caractérisé en ce qu'un élément d'avance (18, 34) peut basculer et est mobile sous l'effet de la sollicitation de force par l'élément formant poignée (77).
  14. Dispositif de serrage selon l'une quelconque des revendications 11 à 13, caractérisé en ce qu'un ressort de pression (68 ; 73) est disposé entre un élément d'avance (18 ; 34) et un élément de blocage (52 ; 70) ou élément de retenue (54 ; 72), ressort de pression par lequel une force de rappel peut être exercée sur l'élément d'avance, dans le sens inverse de la direction de déplacement.
  15. Dispositif de serrage selon la revendication 14, caractérisé en ce que l'élément de blocage (52, 70) est disposé de façon à pouvoir tourner dans le carter (16) du dispositif d'actionnement (12).
  16. Dispositif de serrage selon la revendication 14 ou 15, caractérisé en ce que l'élément de blocage (52, 70) et/ou l'élément de retenue (54 ; 72) peut être placé dans une position de blocage dans laquelle une mobilité du rail de serrage (14) est bloquée dans une direction.
  17. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un élément de retenue (54 ; 72) par lequel la mobilité du rail de serrage (14) peut être bloquée dans une direction.
  18. Dispositif de serrage selon la revendication 17, caractérisé en ce que l'élément de retenue (54, 72) peut être actionné indépendamment de l'élément formant poignée (77).
  19. Dispositif de serrage selon la revendication 17 ou 18, caractérisé en ce que l'élément de retenue (54, 74) est disposé en étant fixe en rotation par rapport au dispositif d'actionnement (12).
  20. Dispositif de serrage selon la revendication 18 ou 19, caractérisé en ce que l'élément de retenue (54, 72) peut être fixé dans une position de retenue, où un élément de blocage (52, 70), éventuellement prévu, est dans une position de non blocage lorsqu'il se trouve en position de retenue.
  21. Dispositif de serrage selon la revendication 20, caractérisé en ce que l'élément de retenue (54, 72) peut être fixé dans une position de retenue dans laquelle l'élément de retenue est orienté sensiblement de façon perpendiculaire au rail de serrage (14).
  22. Dispositif de serrage selon la revendication 20 ou 21, caractérisé en ce que l'élément de retenue (54, 72) peut être fixé dans sa position de retenue, au moyen d'une goupille de couplage.
  23. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une surface d'appui (32) pour un élément d'avance (18), qui limite la mobilité de l'élément d'avance (18) dans le sens inverse de la direction de déplacement du rail de serrage (14), est configurée dans un carter (16) du dispositif d'actionnement (12).
  24. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'actionnement (12) est configuré de manière sensiblement symétrique à un plan médian (30), de façon transversale par rapport à la direction de déplacement (A, B) du rail de serrage (14).
  25. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un déplacement du premier (46) et du deuxième (48) éléments d'appui peut être actionné par l'élément formant poignée (77) rapprochant et éloignant l'un de l'autre ces deux éléments d'appui.
  26. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un premier élément d'avance (18) servant au déplacement du rail de serrage (14) dans une première direction de déplacement (A), et un deuxième élément d'avance (34) servant au déplacement dans une direction (B) en sens inverse.
  27. Dispositif de serrage selon la revendication 26, caractérisé en ce qu'un premier et un deuxième éléments d'avance (18, 34) peuvent basculer dans des directions opposées.
  28. Dispositif de serrage selon la revendication 26 ou 27, caractérisé en ce qu'un premier levier formant poignée (78) de l'élément formant poignée (77) agit sur le premier élément d'avance (18) et un deuxième levier formant poignée (80) agit sur le deuxième élément d'avance (34).
  29. Dispositif de serrage selon la revendication 28, caractérisé en ce qu'un premier et un deuxième leviers formant poignée (78, 80) peuvent pivoter dans des directions inverses, pour agir sur les éléments d'avance associés (18, 34).
  30. Dispositif de serrage selon la revendication 26 ou 27, caractérisé en ce qu'il est prévu un levier formant poignée (188) par lequel le premier élément d'avance (178) ou le deuxième élément d'avance (180) peut être déplacé en fonction de la direction de pivotement.
  31. Dispositif de serrage selon l'une quelconque des revendications 26 à 30, caractérisé en ce qu'un premier ressort de pression (68), un premier élément de retenue (54) et, facultativement, un premier élément de blocage (52) sont associés au premier élément d'avance (18), et un deuxième ressort de pression (73), un deuxième élément de retenue (72) et, facultativement, un deuxième élément de blocage (70) sont associés au deuxième élément d'avance (34).
  32. Dispositif de serrage selon la revendication 31, caractérisé en ce qu'un premier et un deuxième éléments de retenue (54, 72) peuvent être couplés l'un à l'autre, de manière telle que lorsque le premier élément de blocage (52) est dans une position de blocage, le deuxième élément de blocage (70) soit dans une position de non blocage, ou inversement.
  33. Dispositif de serrage selon la revendication 32, caractérisé en ce que le premier élément de blocage (52), dans sa position de blocage, est basculé dans une direction en sens inverse par rapport à l'élément d'avance (34) lors du déplacement de celui-ci et, en conséquence, le deuxième élément de blocage (70) est basculé dans une direction en sens inverse par rapport au premier élément d'avance (18) lors du déplacement de celui-ci.
  34. Dispositif de serrage selon la revendication 32 ou 33, caractérisé en ce qu'il est prévu un dispositif de couplage (88) qui peut être fixé sur le dispositif d'actionnement (12), dans une première position dans laquelle le premier élément de blocage (52) est fixé dans une position de non blocage, par le premier élément de retenue associé (54), et le deuxième élément de blocage (70) est dans une position de blocage, et ledit dispositif de couplage peut être fixé dans une deuxième position dans laquelle le premier élément de blocage (52) est dans une position de blocage et le deuxième élément de blocage (70) est fixé dans une position de non blocage, par le deuxième élément de retenue associé (72).
  35. Dispositif de serrage selon la revendication 34, caractérisé en ce que, dans la première position du dispositif de couplage (88), le deuxième élément d'avance (34) est protégé contre le basculement et, dans la deuxième position, le premier élément d'avance (18) est protégé contre le basculement.
  36. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un carter (16) du dispositif d'actionnement (12) est configuré et doté de creux (38, 50), de manière telle que les pièces mobiles (18, 32, 52, 54, 70, 72, 80) soient fixées seulement par les creux agissant comme des surfaces d'appui, par rapport au carter (16).
  37. Dispositif de serrage selon la revendication 36, caractérisé en ce que le carter (16) du dispositif d'actionnement (12) comprend une première partie de carter (146) et une deuxième partie de carter qui peuvent être fixées ensemble.
  38. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément d'appui (46) et/ou le deuxième élément d'appui est configuré comme un étrier d'appui.
  39. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément d'appui et/ou le deuxième élément d'appui est configuré comme une plaque ou rondelle d'appui (49).
  40. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un élément d'appui (46, 48) présente des surfaces d'appui (106, 108) configurées de façon sensiblement identique, de manière transversale par rapport à la direction longitudinale du rail de serrage (14).
  41. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément d'appui (46) et le deuxième élément d'appui (48) présentent des surfaces d'appui (106, 108) configurées de façon sensiblement identique.
  42. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément d'appui (46) et/ou le deuxième élément d'appui (48) peuvent tourner par rapport au rail de serrage (14).
  43. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un élément de couplage (174) au moyen duquel le premier élément d'appui (46) et le deuxième élément d'appui (48) peuvent être couplés ensemble, de manière telle que ceux-ci, lors de la rotation du rail de serrage (158), soient tournés en même temps que celui-ci.
  44. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément d'appui (46 ; 204) est fixé sur le rail de serrage (14 ; 200), au moyen d'un coussinet de pivotement (47 ; 206).
EP00902650A 2000-02-02 2000-02-02 Dispositif de serrage Expired - Lifetime EP1253994B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2000/000817 WO2001056746A1 (fr) 2000-02-02 2000-02-02 Dispositif de serrage

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EP1253994A1 EP1253994A1 (fr) 2002-11-06
EP1253994B1 true EP1253994B1 (fr) 2007-05-02

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EP (1) EP1253994B1 (fr)
DE (1) DE50014302D1 (fr)
WO (1) WO2001056746A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10297105B4 (de) 2001-08-10 2011-07-21 American Tool Companies, Inc., Ill. Mehrfachgeschwindigkeits-Klemmvorrichtungen mit vergrösserter und veränderbarer Kraft
IL150884A (en) * 2002-07-23 2006-04-10 Tefenplast Kirur Ltd Bar clamp
EP2359984B1 (fr) * 2003-08-01 2015-07-29 Irwin Industrial Tool Company Mécanisme pas à pas pour un outil de serrage et/ou d'écartement et outil de serrage et/ou d'écartement
US7651078B2 (en) 2003-12-12 2010-01-26 Irwin Industrial Tool Company Clamping and/or spreading tool
US7950636B2 (en) * 2007-04-19 2011-05-31 Rockler Companies, Inc. Miter joint clamp
DE102021130286A1 (de) 2021-11-19 2023-05-25 Bessey Tool Gmbh & Co. Kg Zwinge mit drehbarer Vorschubvorrichtung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917473C2 (de) 1988-08-09 1994-10-13 Petersen Mfg Schnellspann-Zwinge
US4989847A (en) 1989-09-12 1991-02-05 Grant Chapman Clamping device
US5096170A (en) * 1990-08-23 1992-03-17 Albin Stephen D Clamp for picture frame tool and other purposes
DE29603811U1 (de) 1996-03-01 1996-04-18 Drake, Johannes, 33106 Paderborn Spannzwinge zur Einhandbedienung
DE19731579A1 (de) * 1997-07-23 1999-01-28 Wolfcraft Gmbh Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch
DE29908240U1 (de) * 1999-05-07 1999-09-09 FESTO Tooltechnic GmbH & Co., 73728 Esslingen Spannzwinge
DE29919066U1 (de) * 1999-10-29 1999-12-30 Lee, Arnold, Taipeh/T'ai-pei Klemm- und Auftragsvorrichtung

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DE50014302D1 (de) 2007-06-14
WO2001056746A1 (fr) 2001-08-09
EP1253994A1 (fr) 2002-11-06
US6601837B2 (en) 2003-08-05
US20030030205A1 (en) 2003-02-13

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