EP1624996A2 - Pince pouvant etre actionnee d'une seule main - Google Patents

Pince pouvant etre actionnee d'une seule main

Info

Publication number
EP1624996A2
EP1624996A2 EP04739304A EP04739304A EP1624996A2 EP 1624996 A2 EP1624996 A2 EP 1624996A2 EP 04739304 A EP04739304 A EP 04739304A EP 04739304 A EP04739304 A EP 04739304A EP 1624996 A2 EP1624996 A2 EP 1624996A2
Authority
EP
European Patent Office
Prior art keywords
pliers
spring
link
legs
engagement
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.)
Granted
Application number
EP04739304A
Other languages
German (de)
English (en)
Other versions
EP1624996B1 (fr
Inventor
Ralf Putsch
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.)
Knipex Werk C Gustav Putsch KG
Original Assignee
Knipex Werk C Gustav Putsch 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
Priority claimed from DE10343412A external-priority patent/DE10343412A1/de
Application filed by Knipex Werk C Gustav Putsch KG filed Critical Knipex Werk C Gustav Putsch KG
Publication of EP1624996A2 publication Critical patent/EP1624996A2/fr
Application granted granted Critical
Publication of EP1624996B1 publication Critical patent/EP1624996B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06—Joints
    • B25B7/10—Joints with adjustable fulcrum
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/14—Locking means

Definitions

  • the invention relates to a one-hand pliers with two pliers legs, which pivot when actuated by an engaging bolt to each other, wherein the pliers legs overlap each other in a crossover area, with a pliers mouth on one side of the crossover area and on the opposite side below the crossover area the pliers legs are formed grip sections, wherein the pliers legs are connected via a control element and a spring drive, which pretensions the pliers mouth into an open position, which open position is automatically spring-loaded after relieving the grip sections, wherein, in a first movement section of the spring drive, the pliers jaw jaw jaws on top of each other close and in a second movement section an engagement of a pawl of the engaging pin takes place in a latching toothing, wherein a force rotation of the movable jaw jaw around the Engagement pin can be carried out, the control element consisting of two links connected to one another by means of a knee joint and, in any case assigned to a link, a spring is arranged which, with the support of the
  • a hand-operated pliers of this type is known from WO 00/13856.
  • the spring there, FIG. 20, is designed as a torsion spring and is assigned to the links connected to one another in the manner of a toggle lever and held on the knee lever pin.
  • the accommodation space is formed by the U-space of the corresponding U-folded handlebars of the control element.
  • the object of the invention is to make the control element more compact and more closed towards the outside.
  • the spring is a compression spring that can be changed in length in accordance with the longitudinal direction of one link and acts eccentrically on the other link in the axial direction of action to the knee joint ,
  • the energy storage of the spring drive is provided by a compression spring integrated in the toggle lever. This comes under on existing components, ie on the knee lever.
  • the assignment is made taking into account the largest possible guide length of the compression spring; it is adjustable in length in the longitudinal direction of the handlebar. With internal accommodation there is good, leading support.
  • the compression spring and the handlebars of the toggle lever are aligned with each other in such a way that an eccentric direction of action is achieved in relation to the toggle lever, taking into account the user-typical switching of spring drive and control action into the buckling toggle lever contour.
  • a helical compression spring is preferably used. One is enough. If a higher force is required, two helical compression springs can be plugged into one another and assigned to one handlebar. This is interesting, for example, if the toggle lever is to be assigned to the intersection area in a particularly obvious manner, in which case shorter lengths are available for the handlebars.
  • Compression spring inserted neck.
  • the latter extends with swivel clearance in the compression spring.
  • the step can be such that there is a defined angular position of the links relative to one another, maintained or caused by the action of the preferably prestressed compression spring.
  • the step in the area of the support there is designed in such a way that the pressure piece does not slide out upwards, ie on the mouth side.
  • the first link is held on the one hand on the movable pliers leg and on the other side on the second link.
  • first link is longer than the second.
  • the spring chamber for the compression spring can be correspondingly long.
  • an advantageous feature of the invention is that a longitudinal axis of the compression spring is not aligned with the straight connecting line between the two articulation points of the first link. This results in a self-contained force system of the control element and also proves to be structurally advantageous, in particular space-saving.
  • a closed position of the pliers in the unused state, can be secured by a blocking part which can be pivoted into a movement path of the first link. In this way, part of the knee joint has a useful additional function, namely that of forming a safety device.
  • This securing is optimized in that the assigned engagement surfaces of the locking part and the handlebar run in a plane which forms a secant with respect to a circle of the point remote from the pivot axis of the locking part. This results in an excessive cantilever effect.
  • the tong legs To release the closed position, the tong legs only need to be slightly approached. The locking part can then be released by hand, released by gravity, or moved out of the way while using centrifugal force.
  • the invention then relates to a one-hand operated pliers with two pliers legs, which pivot when they are actuated by an engagement bolt, the pliers legs overlapping one another in a crossing area, with a pliers mouth on one side of the crossing area and a pliers mouth on the opposite side below the crossing area on the pliers legs handle sections are formed, the pliers legs being connected via a control element and a spring drive which biases the pliers mouth into an opening position tied by the control element and / or the spring drive, which opening position automatically brings about spring loading again after relieving the grip sections , wherein, in a first movement section of the spring drive, the jaws of the pliers move towards each other and in a second loading movement section a grip of a pawl of the single bolt takes place in a locking toothing, after which a force rotation of the movable jaw jaw around the engagement bolt can be carried out, and further suggests that the engagement bolt can be inserted into the tong legs in an assembly position which is spread by spreading the
  • the corresponding form-fitting assembly is secured from existing components; riveting or screwing of the engaging bolt is not required.
  • the control element for disassembly is also the toggle lever explained as the ultimate barrier to spreading. In other words: the engaging bolt is plugged into a maximum spread position of the pliers legs, which lies outside the operational spread position tied up by the control element.
  • the procedure is such that the engaging pin is pivotally held in the penetrating pliers leg, namely pivotable to a limited extent around the width of the longitudinal slot of the penetrating pliers leg, and that the hinge pin has a locking section that is only in alignment with an outlet opening of the penetrated pliers leg With an assigned recess of the penetrating pliers leg, the engagement bolt can be removed. The corresponding alignment is also required during assembly, with the overall angular slot-like recess being used in relation to the desired binding.
  • the wall surfaces of the inserted pliers leg which delimit a free space for a push-through connection of the pliers limbs, have a clearance dimension that corresponds to the axial length of the locking section.
  • the end of the blocking section facing away from the insert is overlapped by the corresponding wall surface so as to block the exit. This is a perfect axial securing / locking Support of the engagement pin.
  • the engagement bolt which has a three-stage diameter and decreases in the entry direction, carries the locking section in the region of the middle stage.
  • an advantageous embodiment consists in the blocking section being designed as a radial finger. It can be easily molded onto the engagement pin.
  • FIG. 1 is a side view of the pliers in the spring-loaded basic position, a basic version
  • FIG. 6 an enlargement like FIG. 2, showing the present position of the engagement bolt
  • FIG. 7 shows an enlargement of FIG. 1 with the control element cut open
  • FIG. 13 is an illustration like FIG. 7, showing a first variant of the control element
  • FIG. 15 is an illustration like FIG. 7, showing a second variant of the control element
  • FIG. 16 shows the same in illustration as FIG. 8,
  • FIG. 18 shows a representation like FIG. 17, illustrating a flat spring assignment with respect to the cross section
  • 19 is a largely schematic representation of the toggle lever, 20 shows a representation corresponding to FIG. 8, but completely closed, possibly held in this position by a releasable fuse,
  • FIG. 22 shows a representation corresponding to FIG. 21 when assembly is complete
  • FIG. 25 shows the section according to line XXV - XXV in FIG. 21 in the case of a plug-in fitting engagement pin, in perspective,
  • FIG. 26 shows a representation like FIG. 25, but with the engagement bolt inserted
  • the manually operable pliers 1 has two pliers legs 2, 3 which cross each other and are pivotally connected to one another in the region of the intersection by means of an engagement bolt 4 which provides a hinge pin.
  • a pliers mouth M is located above said crossover area of the pliers legs 2, 3. This is formed in terms of gripping technology by a pliers jaw 5 of the pliers leg 2 and a pliers jaw 6 of the pliers leg
  • the engagement pin 4 passes through a longitudinal slot 9 of the pliers leg 2.
  • the engagement pin 4 is mounted in the pliers leg 3 through which the pliers leg 2 passes.
  • the engaging pin 4 carries a pawl 10 which interacts with tooth gaps 11 of a tooth profile lying on the forceps mouth of the penetrating forceps leg 2.
  • FIG. 2 shows the notching position shown in FIG. 1, and the notching position 10/11 shown in FIG. 5 is shown in FIG. This can be seen in a sawtooth structure, with a locking effect when gripped.
  • the corresponding push-through connection has a suitable free space F. It is located on the penetrated leg 3.
  • the pliers 1 are held in the open jaw position by means of a spring drive 12 (cf. FIG. 1).
  • the spring drive 12 accommodated in the space between the tong legs 2, 3 acts to expand the tong leg.
  • the end position is defined by the stop of the engagement bolt 4 or its pawl 10 at the lower end of the slot-like longitudinal slot 9.
  • the spring of the spring drive 12 is designated 14. It is a compression spring, a so-called helical compression spring, linearly wound with a cylindrical spiral "outer surface”.
  • the spring drive 12 is preloaded.
  • the open position ( Figure 1) is effective, but preloaded to overcome; and the spring drive 12 also acts as a control element 13.
  • Closing the spread pliers legs 2, 3 pliers jaw 6 of the displaceably and pivotably mounted pliers leg 3 migrates in the direction of pliers jaw 5 of the fixed, penetrating pliers leg 2. This can be seen from FIG. 3.
  • the opening position according to FIG. 1 is accordingly obtained completely automatically after the grip sections 7, 8 of the pliers legs 2, 3 are relieved by the spring loading described.
  • the control element 13, supported by the penetrating pliers leg 2, projects freely on the gusset side. It forms a kind of cantilever, the jaw jaws 5, 6 approaching one another in a first movement section of the spring drive 12 and the pawl 10 of the engagement bolt 4 engages in the tooth gaps 11 in a second movement section. According to this, Rotation of the movable, ie penetrating pliers leg 3 or its jaw jaw 6, around the engaging pin 4, can be carried out. Here, superimposed movements of a multi-link joint take place.
  • control element 13 also consists of two links 15, 16 connected to one another in the manner of a toggle lever.
  • links 15, 16 is assigned the spring 14, which is realized as a compression spring.
  • the longer handlebar 15 engages at the end via a hinge pin 17 on the movable, thus penetrated pliers leg 3.
  • the other link 16 is connected via a hinge pin 18 to the penetrating pliers leg 2.
  • the hinge pins 17, 18 are spaced differently from the crossing area of the pliers legs 2, 3, ie the engagement bolt 4.
  • the pivot pin 17 of the handlebar 15 is closer to said reference point (cf. FIG. 1) and in the position according to FIG. 3 it is even significantly closer.
  • the links 15, 16 are realized as essentially linear components and of different lengths.
  • the first, namely 15 marked handlebar is longer than the second.
  • the ratio is 3: 1.
  • the spring 14 or compression spring is accommodated in the interior of the first, ie longer, link 15.
  • the corresponding spring chamber bears the reference number 19. It is a hole which is made essentially concentrically to the lateral wall of the link 15 having a tubular section. The clear dimension of the same takes into account sufficient axial mobility of the spring body in the spring chamber 19.
  • the spring chamber 19 could also be formed more eccentrically in the direction of the pliers mouth M.
  • the spring chamber 19 designed in the manner of a blind bore provides a support 20 on the bottom of the bore for the end winding of the helical compression spring there.
  • the spring chamber 19 can also be designed to be closed in the region of the support 20.
  • the support in the opposite direction, facing the shorter link 16, is indirect, specifically via a separately designed pressure piece 21.
  • This support is designated 22 (see FIG. 7).
  • the end turn facing the hinge point of the two links 15, 16 connected to one another in the manner of a toggle lever could be shaped into such a pressure piece 21.
  • Said joint between the two links 15, 16 is realized by a knee joint 23 drawn in parallel to the joint pins 17, 18.
  • the pressure piece 21 can be safely plug-in assigned to the spring body.
  • it has a neck 24 directed against the spring 14 on. It is inserted into the compression spring cavity. Reference is made, for example, to FIG. 7.
  • a widened shoulder 25 adjoins the neck 24 symmetrically, facing away from the spring.
  • the final turn of the spring 14, which is closer to the knee joint 23, is supported on this and the body of the pressure piece 21 is angled bluntly between the neck 24 and shoulder 25 (cf. FIGS. 7 and 8).
  • Such a pressure piece 21 can consist both of plastic and can be realized as a cast part, optionally a forged part.
  • a stalk-like section 26 then adjoins the widened shoulder 25 of the pressure piece 21. It ends in a widened, scoop-like sheet 27. This occurs with its straight narrow edge against the support 22.
  • the latter is designed as a throat, so that the pressure piece 21 is held on the second link 16 by a positive engagement, more precisely secured on a step 28.
  • the support of the pressure piece 21, which is loaded by the spring force loads the longer link 15 in a clockwise direction. The pulls the pliers leg 3 handle. If you pull the pivot pin 17, the handlebar 15 pivots a few degrees in this direction, just until the preload is used up.
  • the step 28 is clearly delimited by an upper flank 29 facing the pliers mouth M.
  • the latter cooperates with a stationary rotary stop 30, for example, from a corner edge on the gusset side or another wall section of a storage shaft 31 of the pliers leg 2 (cf. FIG 7).
  • the toggle lever K is supported on this.
  • a pin can also be drawn in as a stop.
  • the support 22 realized in the form of a groove is basically of circular design. It opens towards the forceps mouth M sector-shaped. The sector encloses an angle of slightly more than 90 °.
  • the material of the handlebar 16 going beyond the circular throat wall forms the step 28 already discussed.
  • the step 28 runs vertically and overhangs so that the pressure piece 21 does not fall out of its mere plug-in anchorage even if the tool falls.
  • the apex of the sector coincides with the radius point of the circular throat or support 22.
  • the lower flank horizontally delimiting the step 28 constitutes a kind of parapet 32. This takes into account the space requirement of the pressure piece 21.
  • the scoop-like sheet 27 can rest on it.
  • Parapet 32 facing away from the throat, increasingly stands out from the stem-like section 26 of said part.
  • the contour of the toggle lever K described leads to the fact that the spring 14, which is variable in length in the longitudinal direction of the one link 15, the compression spring, acts eccentrically to the toggle lever K on the other link 16 in the axial direction of action.
  • the toggle lever K encloses an obtuse angle of approx. 150 ° opening on the mouth side.
  • the pressure piece 21 lifts off the parapet 32, the tension of the spring 14 increasing.
  • the further compressed position is also shown in Figure 8.
  • the sensible mobility between the pressure piece 21 and the spring 14 is achieved in that the neck 24 extends into the compression spring with pivoting clearance.
  • the longitudinal axis xx of the spring 14 is not aligned with the straight connecting line yy between the two articulation points, the pivot pin 17 and the knee pivot pin 23 of the first link 15.
  • the thrust piece 21 accordingly transfers the link 15, 16 to the obtuse, stretched position until it is out Figure 7 apparent basic position is reached.
  • this specification also has another meaning: It can be seen that the pivot pin 17 extends in an eye 34 of the handlebar 15 which is offset in the manner of a cantilever in the direction of the longitudinal axis xx the pliers legs 2, 3.
  • the eye 34 can be quite flat in order to accommodate it in the correspondingly flat storage shaft or slot 35 of the pliers leg 3. The greatest possible length is used for the spring chamber 19.
  • the spring 14 or the housing of the handlebar 15 surrounding it can be made significantly larger in cross-section than the thickness of the flattened eye 34.
  • the spring drive 12 is responsible for biasing the jaws M into an open position.
  • the control element 13 controls the movement sections such that in a first movement section the jaw jaws 5, 6 move towards one another and in a second movement section the pawl 10 of the engaging bolt 4 engages in the tooth spaces 11, after which the force of the movable jaw jaw 6 is rotated by the first Engagement bolt 4 is feasible.
  • the basic structure of the variants of the toggle lever K shown in FIGS. 13 to 16 corresponds to the solution according to the basic version (cf. e.g. FIG. 7).
  • the reference numbers are used analogously, sometimes without repeated text. What is retained is that the pressure piece 21, with regard to the eccentric action, introduces the force into the other link 16 outside the toggle lever K, i.e. of the knee joint pin 23.
  • the pressure piece 21 inserted into the winding cavity of the spring 14 also loads the other link 16 in the sense of a spreading of the pliers legs 2, 3 from one another, only that the pressure piece 21 presses on an eccentrically formed end 36 of the link 16 here.
  • the spring 14 is compressed by the eccentrically shaped end 36 via the pressure piece 21.
  • FIG. 14 The distance of the eccentric curve to the pin 23 increases increasingly in the folding direction of the handlebars.
  • a release of the pliers legs 2, 3 in turn leads to the basic position of the pliers 1. This is done via the control curve-like silhouette of the end 36.
  • the slings are basically the same, it does not require the means securing the pressure piece 21 here. The latter is rather captively caught between the end 36 and the spring 14.
  • the pressure piece 21 is set by a steering member. This is pivotably mounted on a lateral pivot pin 37. Its club-shaped thickened end 36 is under the load of the spring 14, which holds the pressure piece 21 in a gripping manner on the eccentric runner or curve of the end 36 of the handlebar 16 there.
  • the eccentricity works in the sense described.
  • FIG. 17 In order to set the spring force higher, a double assembly is shown or practiced according to FIG. 17.
  • the springs in the form of helical compression springs are 14 and 14. ' referred to, the latter being inserted into the interior of the winding designated 14.
  • the spring 14 is designed as a flat spring in the sense of the cross section, an elliptical cross section being the basis.
  • the longer axis of the ellipse is perpendicular to the longitudinal axis x-x.
  • the small or shorter axis corresponds to approximately half of the large axis.
  • Said training relates to means of securing the closed position for the pliers 1 in the times of non-use.
  • the handle sections 7, 8 of the pliers 1 are space-savingly approached and reversibly held.
  • a locking part 38 is installed. This is double-armed and received in a rotationally guided manner in a gap 39 of the pliers leg 3 which is passed through.
  • the locking part 38 is pivotally mounted on a journal 40 crossing the gap 39.
  • the geometric axis of the axle pin 40 extends in parallel to the relevant geometric axis of the joint pin 17, which supports the handlebar end of the first link 15.
  • the double-armed locking part 38 has an actuation-accessible, preferably back-roughened arm and an arm which interacts with the first link 15 in a locking manner.
  • the latter can be pivoted into a movement path 41 of the first link 15.
  • the radius point of this movement path 41 is the knee pivot 23, the radius point of the locking part 38 of the pivot pin 17.
  • the mutually associated engagement surfaces 42, 43 of the locking part 38 and the first link 15 run in the closed position in a plane E-E, which forms a secant with respect to a circle of the point 44 which is deviated from the pivot axis of the locking part 38.
  • the wedging point 45 closer to the pivot axis of the locking part 38 lies at the intersection of the movement path 41 and the plane E-E (see FIG. 28a). The other intersection is located near the outside of the pliers leg 3.
  • the release position of the locking part 38 is indicated in dash-dotted lines. It is recognizably ergonomically favorable at the end of the handle section 8 on the pliers head side.
  • the securing means described also applies to the variant shown in FIGS. 30 and 31, according to which the locking part 38 is not mounted above the eye 34, but below the eye 34.
  • the suit explained acts in the sense of a self-locking that can be overcome with will.
  • the dual arm of the locking part 38 is given here functionally, i. H. in the sense of an actuation section and a blocking section located away from it.
  • the proximity of the locking part 38 to the handle is essential. It is arranged in such a way that it can be easily reached by the thumb of the hand holding the pliers.
  • FIGS. 21-27 illustrate a scaling measure that classic elements such as screws, rivets, etc. can be dispensed with for the engagement bolt 4. chen. This is achieved in the area of the intersection of the pliers legs 2, 3 by the fact that the engagement pin 4 can be inserted into the pliers legs 2, 3 in an assembly position, which pliers legs 2, 3 are characterized by their spreading beyond the tied open position and by the engagement bolt 4 is held in a form-fitting manner by the pliers legs 2, 3 in the tied open position.
  • FIG. 21 The open position of the pliers 1, as it were, is shown in FIG. 21.
  • the allocation path for the engagement pin 4 is open.
  • the pliers legs 2, 3 diverge at a recognizably larger angle ⁇ than in FIG. 22, which shows the tied open position. There the smaller angle is labeled ⁇ '.
  • the growth occurs as it were through an angular slot. This is traversed by a blocking section 46.
  • the locking section 46 is a finger which is radially molded onto the engagement pin 4. Reference is made to FIG. 25.
  • the locking section 46 is aligned with an outlet opening 47 which, when assigned, functions accordingly as an inlet opening.
  • the outlet opening 47 is located on the penetrated pliers arm 3.
  • a recess 48 of the penetrating pliers arm 2 is axially aligned with said outlet opening 47.
  • the recess 48 is recognizably wider than the outlet opening 47 which provides a passage for the radial finger. This means that the blocking section 46 only if the outlet opening tion 47 of the penetrated pliers arm 3 with the associated recess 48 of the penetrating pliers arm 2 enables the removal of the engagement bolt 4 or vice versa the assignment.
  • the mobility of the engaging pin 4 required for locking is also provided in this variant of the pliers 1 by the engaging pin 4 being pivotally mounted in the penetrating pliers leg 2, specifically because of the play-forming width of the longitudinal slot 9 of the penetrating pliers leg 2.
  • the engaging pin 4 is pivotally mounted in the penetrating pliers leg 2, specifically because of the play-forming width of the longitudinal slot 9 of the penetrating pliers leg 2.
  • Pivots which allows the notching position shown in FIG. 2 and the notching position of the locking teeth 10/11 shown again in FIG. 5.
  • the recess 48 is axially delimited, specifically by the push-through connection of the pliers legs 2, 3, spatially delimiting, parallel wall surfaces 49 of the inserted pliers leg 3. Said wall surfaces 49 have a clear spacing from one another which is essentially or at most the axial length of the locking section 46 equivalent.
  • the recess 48 is a niche of several times the width of the locking section 46 which projects beyond the end of the longitudinal slot 9 there.
  • the engagement pin 4 is stepped in the axial direction, the different diameters are shown in FIG. 25.
  • the steps decrease in the entry direction, going up in FIG. 25.
  • the radially projectingly aligned locking portion 46 In the region of the middle stage is the radially projectingly aligned locking portion 46. Below this is the bolt portion 4 1 largest diameter.
  • the bolt section 4 "of smallest diameter It protrudes into a suitable bearing bore 50 of an upper wall section 51 of the penetrated leg 3.
  • the larger cross-section bolt section 4" sits coaxially in one corresponding bearing bore 52 of a lower wall section 53 of the penetrated pliers leg 3.
  • the end 46 ′ of the blocking section 46 facing away from the insert is overlapped or under-gripped by the corresponding wall surface 49 of the lower wall section 53 so as to prevent it from escaping.
  • the exit opening 47 forming the entrance gate is out of alignment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Scissors And Nippers (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne une pince (1) qui peut être actionnée d'une seule main, qui comprend deux branches (2, 3) qui, lorsqu'elles sont actionnées par des forces, pivotent l'une par rapport à l'autre autour d'un axe de prise (4) et qui, en outre, se recouvrent dans une zone de croisement. Sur un côté de la zone de croisement des branches de pince (2, 3) est formée une bouche de pince (M) et, sur le côté opposé, en dessous de la zone de croisement, sur les branches (2, 3), sont formées des manches (7, 8). Les branches (2, 3) sont reliées par l'intermédiaire d'un élément de commande (13) et d'un système à ressort (12) qui maintient, par une précontrainte, la bouche de pince (M) en position ouverte, cette position ouverte étant automatiquement provoquée par l'action du ressort lorsque les manches (7, 8) sont relâchées. L'élément de commande (13) est constitué de deux éléments oscillants (15, 16) assemblés à la manière d'un levier à genouillère par une articulation, un des ces éléments oscillants étant pourvu d'un ressort (14) qui le maintient par précontrainte en position allongée. Pour que l'élément de commande soit maintenu de façon plus compacte et plus fermée vers l'extérieur, il est proposé, selon l'invention, que le ressort (14) soit un ressort de pression dont la longueur peut varier conformément au sens longitudinal d'un élément oscillant (15) et qu'il agisse, en cas d'effet axial, sur l'autre élément oscillant (16), de façon excentrique par rapport à l'articulation (K).
EP04739304A 2003-05-22 2004-05-24 Pince pouvant etre actionnee d'une seule main Expired - Lifetime EP1624996B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10323083 2003-05-22
DE10343412A DE10343412A1 (de) 2003-05-22 2003-09-19 Einhandbetätigbare Zange
PCT/EP2004/005537 WO2004103646A2 (fr) 2003-05-22 2004-05-24 Pince pouvant etre actionnee d'une seule main

Publications (2)

Publication Number Publication Date
EP1624996A2 true EP1624996A2 (fr) 2006-02-15
EP1624996B1 EP1624996B1 (fr) 2010-06-23

Family

ID=33477514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04739304A Expired - Lifetime EP1624996B1 (fr) 2003-05-22 2004-05-24 Pince pouvant etre actionnee d'une seule main

Country Status (5)

Country Link
US (1) US7503243B2 (fr)
EP (1) EP1624996B1 (fr)
JP (1) JP4490972B2 (fr)
RU (1) RU2347672C2 (fr)
WO (1) WO2004103646A2 (fr)

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CN101568408B (zh) * 2006-10-24 2013-02-27 科尼佩克斯-沃克.C.古斯塔夫普奇公司 带有可克服弹簧力运动的铰接栓的钳子

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US7313989B1 (en) 1999-06-11 2008-01-01 Tortolani Jr Kenneth Guy Parallel jaw locking toggle pliers/wrench
WO2007061417A2 (fr) * 2005-11-23 2007-05-31 Arthrex, Inc. Systeme de poignee pour dispositif de suture
GB2453331A (en) * 2007-10-01 2009-04-08 Wendeng Maxpower Tool Group Co Ltd Self-adjusting pliers with spacing means
JP4921348B2 (ja) * 2007-12-28 2012-04-25 矢崎総業株式会社 導通検査具の導通ピン保護構造
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US20070169592A1 (en) 2007-07-26
EP1624996B1 (fr) 2010-06-23
JP2007500085A (ja) 2007-01-11
US7503243B2 (en) 2009-03-17
WO2004103646A3 (fr) 2005-05-12
JP4490972B2 (ja) 2010-06-30
WO2004103646A2 (fr) 2004-12-02
RU2005140095A (ru) 2006-06-27
RU2347672C2 (ru) 2009-02-27

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