EP0836994A1 - Zugklemme für Bänder, insbesondere für Spannbänder - Google Patents

Zugklemme für Bänder, insbesondere für Spannbänder Download PDF

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Publication number
EP0836994A1
EP0836994A1 EP97402450A EP97402450A EP0836994A1 EP 0836994 A1 EP0836994 A1 EP 0836994A1 EP 97402450 A EP97402450 A EP 97402450A EP 97402450 A EP97402450 A EP 97402450A EP 0836994 A1 EP0836994 A1 EP 0836994A1
Authority
EP
European Patent Office
Prior art keywords
handle
central
clamp according
traction clamp
traction
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
EP97402450A
Other languages
English (en)
French (fr)
Other versions
EP0836994B1 (de
Inventor
Jean-Pierre Robbes
Yves Sauce
Jean-Pierre Barriuso
Laurent Corbillier
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.)
Legrand SA
Legrand SNC
Original Assignee
Legrand SA
Legrand SNC
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 Legrand SA, Legrand SNC filed Critical Legrand SA
Publication of EP0836994A1 publication Critical patent/EP0836994A1/de
Application granted granted Critical
Publication of EP0836994B1 publication Critical patent/EP0836994B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/025—Hand-held tools
    • B65B13/027—Hand-held tools for applying straps having preformed connecting means, e.g. cable ties

Definitions

  • the present invention relates generally the traction clamps which, for the exercise of a traction on a strap, such as that of a hose clamp by example, and, thus, the tensioning of this strap, generally have two articulated handles, one at the other against elastic return means, namely, a first handle, called here for simple convenience handle central, which has an opening for the passage of the lanyard to stretch and for the abutment thereof, and a second handle, called here for convenience traction, which, in correspondence with the opening of the handle central, is equipped with gripping means specific to the grabbing the strap.
  • a first handle called here for simple convenience handle central
  • a second handle called here for convenience traction
  • the central handle is equipped with a knife which, under the control of a third handle, here called simply for cutting handle, articulated on this central handle, is mounted mobile by compared to the opening that this entails for the passage a thong.
  • any of these handles includes at least one articulation hole, contour circular, by which it is rotatably engaged with a pivot integral with the other.
  • the pull handle thus presents, between the area action on it elastic means of recall correspondents and the area of action of these on the handle central, two articulation holes of contour closed by which it is in rotation with a solid pivot of this central handle.
  • German patent application No. 19 19 472 it on the other hand, there is an open joint hole laterally through a slit, but, instead of intervening between both handles involved, this articulation piercing intervenes within a connecting rod interposed between the handle of traction and the gripping means of the strap, so that, moreover, this pull handle is not equipped by itself of these gripping means and that the realization of the whole, quite complex, requires a relatively large Number of pieces.
  • the present invention generally has for subject of the provisions making it possible to reduce the number of parts required to make a traction clamp for the gender involved and to facilitate assembly and disassembly.
  • pliers for lanyard of the kind with two handles articulated to each other against elastic means reminder namely, a first handle, here called handle central, which has an opening for the passage of the lanyard to stretch and for the abutment thereof, and a second handle, here called pull handle, which, in correspondence with the opening of the central handle, is equipped with gripping means suitable for entering the strap, with, on one of these handles, between the area action on it elastic means of recall and area action of these on the other handle, at least one hole articulation, of circular outline, by which this handle is in rotation with a pivot integral with the other handle, this pulling clamp being generally characterized in that, in the manner of a notch, the drilling articulation is opened laterally by a width slot at least equal to the diameter of the pivot.
  • this pivot can if desired be an integral part of the handle to which it is integral, by being for example formed by a flange coming from a single piece of this handle in favor of a punctured thereof, using a stamping-embossing technique commonly called "soyage”.
  • the cutting handle comprises, according to the present invention, for its articulation to the central handle, projecting from the face internal of each of its lateral wings, a pin by which it is in rotation with a hub which, provided in correspondence on the central handle, does not extend circularly at most than over 180 °.
  • each of the pins that the cutting handle has can then do advantageously an integral part thereof, and / or each of the hubs in the central handle can also advantageously be an integral part of the latter, at benefit from increased minimization of the number of parts necessary for the realization of the following traction clamp the invention, and therefore for the benefit of an overall cost of manufacturing even more reduced for this traction clamp.
  • This traction clamp 10 is in fact intended for allow, on the one hand, to exert a traction on a strap 11, for the tensioning thereof, and it for example, as shown in broken lines in FIG. 1, of the strap 11 of a clamp 12, which, thanks to the closing head 13 thereof, is looped over any assembly 14 to be clamped, and, on the other hand, to cut, then, this strap 11, at neighborhood, for example, of the closing head 13 in which it is engaged.
  • This traction clamp 10 has two handles 15, 16, which, specific to its grip, each presenting respectively a handle 17, 18, are articulated one to the other against elastic return means 20.
  • A1 be their axis of articulation, as identified by its trace in Figure 1 and as shown schematically in lines interrupted in Figure 2.
  • the first handle 15 On the side of its nose 21, the first handle 15, called here by simple convenience central handle, present, overall, an opening 23, for the passage of the strap 11 to tension and for the abutment thereof, the head closure 13 of the clamp 12 coming to bear on this nose 21 on at least one side of this opening 23.
  • this central handle 15 a at least locally, in section transverse, a U-shaped profile, with a middle part 25 and two side wings 26, and, in practice, this is so on its entire length.
  • the two lateral wings 26 of the central handle 15 are joined to each other by a plate 27, which extends substantially along the plane P, and its middle part 25 bends towards this plate 27 until joining it at its end.
  • the opening 23 present at this level is therefore in practice formed by two holes 23 ', 23 "each affecting respectively the middle part 25 and the plate 27.
  • the pull handle 16 also has at least locally, in cross section, a U-shaped profile, with a middle part 28 and two lateral wings 30, and, in practice, this is also the case over its entire length.
  • the pull handle 16 is engaged on the central handle 15, and it therefore covers the less locally this central handle 15 at its axis of articulation A1 thereon.
  • the handle of traction 16 is equipped with gripping means 32 suitable for grabbing the strap 11.
  • these gripping means 32 comprise, on the one hand, a ratchet 33, with teeth 34, which, by a shaft end 35, is rotatably mounted between the two side wings 30, and, on the other hand, a abutment surface 36, which is in practice formed by two square returns 37 each coming from a single one from these two side wings 30.
  • the ratchet 33 is subjected to a bending spring 38 which constantly requests it to rotate in a direction for which its teeth 34 tend to come to bear against the surface of stop 36.
  • the traction clamp 10 being, in fact, as already previously indicated, a traction and cutting pliers in the embodiments shown, the central handle 15 is equipped with a knife 41 which, under the control of a third handle 42, here called cutting handle, articulated on it is mounted movable relative to the opening 23 which it includes for the passage of the strap 11 to be stretched.
  • a third handle 42 here called cutting handle
  • A2 be the axis of articulation of the cutting handle 42 on the central handle 15, as marked by its trace on the Figure 1 and as shown in broken lines on the figure 3.
  • This axis of articulation A2 is parallel to the axis hinge A1 of the pull handle 16 on the handle central 15.
  • the knife 41 is mounted movable in contact with the plate 27 of the central handle 15, between the latter and two guide pins 43 each coming respectively from the two side wings 26 of this central handle 15 in favor of punctures 44 of these wings side 26.
  • the knife 41 At its end opposite to the opening 23, the knife 41 has a square return 45, directed towards the handle of traction 16, and, at its free end, this square return 45 is angled.
  • the elastic return means 20 acting between the handle pull 16 and the central handle 15 are formed by a tension spring, of the coil spring type, elongated between the side wings 30 of the pull handle 16, and they are coupled, on the one hand, to this pulling handle 16, and, more precisely, to a lug 46 coming in one piece from the middle part 28 thereof in favor of a punctured 46 'of this middle part 28, and, on the other hand, with a knife 41, at the favor of the return to square 45 of the latter, by soliciting permanently this knife 41 in contact, by its return in bracket 45, of abutment means 47, which, according to provisions described in more detail later, are provided for him on the cutting handle 42, away from the axis A2 articulation thereof.
  • a tension spring of the coil spring type
  • the cutting handle 42 a at least locally, in cross section, a U-shaped profile, with a middle part 48 and two lateral wings 49, and, in practical, this is the case over its entire length.
  • this articulation bore 50 is, like a notch, opened laterally by a slot 53 of width at least equal to the diameter D of the pivot 52.
  • this slot 53 goes gradually widening from the inside of the hole articulation 50 towards the outside thereof.
  • the handle with the articulation hole 50 is the handle of traction 16, and, this traction handle 16 having, at less locally, in cross section, a U-shaped profile, it has two articulation holes 50, one per side wing 30.
  • the notches they form are turned on the same side.
  • these notches are elongated substantially parallel to the spring of traction forming the elastic return means 20, with the slot 53 arranged on the side of the nose 21, 22 of the handles 15, 16.
  • the pivot 52 associated with each articulation hole 50 is an integral part of the handle which it is integral with, and in this case, the handle central 15.
  • this pivot 52 is formed by a bezel in one piece with this central handle 15, thanks to a punctured 54 thereof.
  • the central handle 15 has two pivots 52, one for each of the holes articulation 50 of the pull handle 16, and these pivots 52 protrude laterally on its lateral wings 26, at the way of journals, in the area of these lateral wings 26 which locally covers the pull handle 16.
  • the elastic return means 20 ensure by themselves the assembled maintenance of the assembly, that is to say the assembled holding of the traction clamp 10.
  • both handles 15, 16 complementary fitting means, which, when the traction clamp 10 is in the closed position, as shown in Figure 1, mesh with each other from one of these handles 15, 16 to the other.
  • these means interlocking comprise, on one of these handles 15, 16, in the central handle 15, at least one lug 55, which projection relative to the plane P, and therefore relative to the plate 27 of this central handle 15, and, on the other of the handles 16, 15, in this case the pull handle 16, in correspondence with this lug 55, a recess 56 specific to the latter's commitment.
  • two pins 55 are planned, each extending locally respectively the two side wings 26 of the central handle 15, and the recesses 56 that the pull handle 16 has at correspondence are formed by two notches each affecting respectively the two side wings 30 of this handle traction 16.
  • the handle cutting 42 covers, by its lateral wings 49, the axis hinge A1 of the pull handle 16 on the handle central 15.
  • the central handle 15 has a smaller width on the side of its nose 21, by presenting a slight constriction between the articulation axes A1, A2.
  • the handle section 42 comprises, on each of its lateral wings 49, protruding from the inside of these, for its articulation to the central handle 15, a pin 58 by which it is in rotation with a hub 59 which, provided in correspondence on the central handle 15, does not extend circularly at most than over 180 °.
  • each of the pins 58 which the cutting handle 42 thus comprises an integral part of it, each of these pins 58 being formed by a flange coming from a single piece with this cutting handle 42, thanks to a punctured 60 of its side wings 49.
  • each of the hubs 59 which comprises in the central handle 15 preferably does, and as shown, part of this handle central 15, each of these hubs 59 being formed by a bezel in one piece with this central handle 15, in favor of a flat 61 of its lateral wings 26.
  • the two hubs 59 which comprise the central handle 15 are open towards the pull handle 16, with an inclination according to which they are partly turned towards the opening 23 presented by this central handle 15 for the passage of the strap 11 to be stretched.
  • the stop means 47 provided on the cutting handle 42 for the knife 41 are an integral part of this cutting handle 42, these stop means 47 being formed by at least one lug 63 came in one piece with it.
  • two legs 63 are provided, at the rate of a by lateral wing 49 of the cutting handle 42, and, formed each in favor of a punctured 64, they are folded the square inward, towards each other, perpendicular to the lateral wing 49 of which they are issues.
  • the area of action of the elastic return means 20 on the handle central 15 is defined by the support of the handle section 42 on this central handle 15 at their journals 58 and respective hubs 59, and that, more simply, the area of action of these elastic return means 20 on the pull handle 16 is defined by lug only 46 of this pull handle 16.
  • the flaring of the slot 53 of the articulation holes 50 of the handle traction 16 facilitates disassembly of the traction clamp 10, and, of course, it also facilitates reassembly.
  • figure 5 it is acted on the central handle 10, so as to release it from the front of the cutting handle 42.
  • this central handle 15 with the knife 41 which it door, is released from the cutting handle 42, passing between the pins 58 thereof and its middle part 48.
  • the means complementary interlocking 55, 56 provided between the two handles 15, 16 advantageously avoid disassembly inadvertent pulling clamp 10 according to the invention in fall, and instead require that voluntary action opening is applied to this traction clamp 10 for disassembly.
  • ratchet 33 of the pull handle 16 grips the strap 11, and the closing head 13 to which it is coupled being in abutment against the nose 21 of the central handle 15, this strap 11 is located gradually tensioning on assembly 14 that it grips.
  • the cutting handle 42 is engaged locally in the central handle 15, thanks to an opening 65 formed for this purpose in the middle part 25 thereof.
  • this handful of section 42 is then a flat piece, made of cut sheet metal, and it locally has a notch 66 by which, according to a knife-type joint, it is mounted pivoting on the edge of the opening 65 in which it is engaged.
  • the central handle 15 comprising, in known manner per se, projecting outwards, along part of the outline of the opening 23 which it presents for the passage of the strap 11 to be stretched, a spout 68 adapted to reinforce the support of the closing head 13 to which this strap is coupled 11, this spout 68 extends, according to the invention, along the side of this opening 23 which is closest to the axis of articulation A1 of the handles 15, 16.
  • the closing head 13 is is thus advantageously provided, and that, its seat is doing in conditions likely to minimize, otherwise cancel, the deformation of which it can be the object, the effort to be deployed for the tensioning of the strap 11 east, the conditions being equal, generally less.
  • the pivots 52 ensuring the articulation of handles 15, 16 relative to each other belong to a part 70, which, separate from the handle of which they are integral, in this case the central handle 15, is duly reported on it.
  • this part 70 is a pin, and for example a pin of the type sold under the trade name "MECANINDUS" whose ends form the pivots 52.
  • figure 10 is a rivet in two parts, male and female, which, also by its ends, forms the two pivots 52.
  • the cutting handle 42 covers, by its lateral wings 49, the hinge axis A1 correspondent, which would suffice, if necessary, maintenance of the part 70.
  • joint hole (s) could both be arranged on the central handle, the corresponding pivots then being integral with the handle of traction.
  • the corresponding pins can be provided on the central handle rather than on the cut, the latter having, then, it, the hubs corresponding open.
  • the lips of the opening as the handle central present for the passage of this strap can form fixed knives, from which it follows that to cut this strap after it is turned on it just twist the traction clamp relative to it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Scissors And Nippers (AREA)
EP19970402450 1996-10-21 1997-10-16 Zugklemme für Bänder, insbesondere für Spannbänder Expired - Lifetime EP0836994B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9612750 1996-10-21
FR9612750A FR2754752B1 (fr) 1996-10-21 1996-10-21 Pince de traction pour laniere, en particulier pour collier de serrage

Publications (2)

Publication Number Publication Date
EP0836994A1 true EP0836994A1 (de) 1998-04-22
EP0836994B1 EP0836994B1 (de) 2001-01-03

Family

ID=9496818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970402450 Expired - Lifetime EP0836994B1 (de) 1996-10-21 1997-10-16 Zugklemme für Bänder, insbesondere für Spannbänder

Country Status (3)

Country Link
EP (1) EP0836994B1 (de)
DE (2) DE69703825T2 (de)
FR (1) FR2754752B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110142721A (zh) * 2019-06-28 2019-08-20 义乌纹挺新能源科技有限公司 一种汽车线束安装固定机构及其生产控制终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1919472A1 (de) 1969-04-17 1970-10-29 Hellermann Gmbh P Werkzeug zum Spannen eines einem Gegenstand umgelegten Bandes und zum Verbinden und Abschneiden der Bandenden
FR2400995A1 (fr) 1977-06-02 1979-03-23 Legrand Sa Pince de traction et de coupe pour laniere, en particulier celle d'un collier de serrage
FR2585610A1 (fr) 1985-07-30 1987-02-06 Legrand Sa Pince de traction et de coupe pour laniere, en particulier pour collier de serrage
US5372166A (en) * 1993-07-26 1994-12-13 Lai; Chang-Keng Tie-wrap tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1919472A1 (de) 1969-04-17 1970-10-29 Hellermann Gmbh P Werkzeug zum Spannen eines einem Gegenstand umgelegten Bandes und zum Verbinden und Abschneiden der Bandenden
FR2400995A1 (fr) 1977-06-02 1979-03-23 Legrand Sa Pince de traction et de coupe pour laniere, en particulier celle d'un collier de serrage
FR2585610A1 (fr) 1985-07-30 1987-02-06 Legrand Sa Pince de traction et de coupe pour laniere, en particulier pour collier de serrage
US5372166A (en) * 1993-07-26 1994-12-13 Lai; Chang-Keng Tie-wrap tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110142721A (zh) * 2019-06-28 2019-08-20 义乌纹挺新能源科技有限公司 一种汽车线束安装固定机构及其生产控制终端

Also Published As

Publication number Publication date
DE69703825T2 (de) 2001-04-26
DE836994T1 (de) 1998-09-24
FR2754752A1 (fr) 1998-04-24
DE69703825D1 (de) 2001-02-08
FR2754752B1 (fr) 1998-12-24
EP0836994B1 (de) 2001-01-03

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