EP2828038B1 - Système d'outil de vissage comprenant une pluralité de poignées munies d'un dispositif de limitation du couple de rotation et de tournevis intégrés aptes à être couplés auxdites poignées - Google Patents

Système d'outil de vissage comprenant une pluralité de poignées munies d'un dispositif de limitation du couple de rotation et de tournevis intégrés aptes à être couplés auxdites poignées Download PDF

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Publication number
EP2828038B1
EP2828038B1 EP13709428.0A EP13709428A EP2828038B1 EP 2828038 B1 EP2828038 B1 EP 2828038B1 EP 13709428 A EP13709428 A EP 13709428A EP 2828038 B1 EP2828038 B1 EP 2828038B1
Authority
EP
European Patent Office
Prior art keywords
coupling
profile
torque
screwing
profiles
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.)
Active
Application number
EP13709428.0A
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German (de)
English (en)
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EP2828038A2 (fr
Inventor
Michael Abel
Martin Strauch
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.)
Wera Werk Hermann Werner GmbH and Co KG
Original Assignee
Wera Werk Hermann Werner GmbH and Co KG
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Publication of EP2828038A2 publication Critical patent/EP2828038A2/fr
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Publication of EP2828038B1 publication Critical patent/EP2828038B1/fr
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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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • 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
    • B25B13/00—Spanners; Wrenches
    • B25B13/56—Spanner sets
    • 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
    • B25B15/00—Screwdrivers
    • B25B15/02—Screwdrivers operated by rotating the handle
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0035—Connection means between socket or screwdriver bit and tool
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0042—Connection means between screwdriver handle and screwdriver shaft
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • B25B23/1427—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by mechanical means

Definitions

  • the invention relates to a sterwerkmaschinesystem with a plurality of fferantriebs instituten, each having a set to a fixed release torque torque limiting device, and with a plurality of fferabretes instituten that a fferabretesprofil for torque-transmitting attack on a corresponding counter-profile of a screw head, and a coupling profile for torque transmitting Have coupling to a coupling counter profile of the screw drive elements.
  • the invention also relates to the associated ringabreteselement and the associated ringantriebselement.
  • Wrenching tool systems of the type described above are known in the art. They consist of a handle which has a torque limiting device in its interior, so that only a maximum of the triggering torque can be transmitted to a fferabtriebsschaft.
  • the fferabretesschaft has a profile opening into which a coupling profile of a screwdriver bit is inserted.
  • various standardized coupling profiles are known, for example. 1/4 "hexagonal profile, 1/8" hexagonal profile, etc.
  • Screws with a small shaft diameter have a counter profile with a small wrench size.
  • Bolts with larger shank diameters have a counter profile with a larger spanner size.
  • such a size relationship exists between the threaded shaft diameters of screws and the key widths of the screwing tool entry opening of the screw head.
  • the fferantriebsetti are equipped so that they have different, fixed set release torques.
  • the invention has for its object to secure a generic screwing against misuse.
  • the coupling profiles and the mating coupling profiles are individualized such that the fferantriebsetti can be coupled only with their functionally associated ringabtriebs emulaten, but not with them not functionally associated ringabretes emulaten.
  • There are at least two groups of power take-off elements for example a first group with ringabretesprofilen small wrench size and a second group with fferabretesprofilen a larger spanner size.
  • the screw drive elements belonging to the first group have a first coupling profile.
  • the screw drive elements belonging to the second group have a second coupling profile.
  • the coupling profiles of the first and second groups differ from each other.
  • the system preferably also has third screw drive elements, or a corresponding third group of screw drive elements, which in turn comprise one or more fferabtriebsprofile a certain size, with such an individualization is made that third coupling profiles can only be combined with third coupling counter profiles to transmit torque.
  • the coupling profiles are individualized by different cross-sectional ground plans. This can also be star-shaped or regular polygonal surfaces, but also round sections having surfaces.
  • the then preferably cylindrical formed coupling profiles can be inserted into profile openings of the associated fferantriebsiatas.
  • the first, second, third, etc. coupling profiles differ from one another in such a way that they can only be plugged in to transmit their torque in the insertion openings belonging to them.
  • Coupling profiles with a small maximum diagonal dimension can indeed be plugged into coupling openings with a larger diagonal dimension.
  • these coupling profile openings have a minimum diagonal dimension, which is greater than the maximum diagonal dimension of the coupling profile, so that no torque transmission is possible.
  • the fferabretesetti no longer need to be firmly connected to the fferantriebs instituten to avoid that an improperly high torque is applied by a mis-fitting on a screwdriver bit.
  • the coupling profiles can be polygonal cylinder.
  • the cross-sectional area of the polygonal cylinders can be regular.
  • the polygonal surface is in particular a square, a pentagon or a hexagon.
  • the cross-sectional areas of the respective coupling profiles can be approximately the same size.
  • the associated negative feedback profiles are then formed by sleeves, so Mehrkanthggsen, in which the polygonal cylinder can be inserted and are held by suitable locking means.
  • the outline of the cylindrical coupling profiles can also be a star shape, the cavity of the sleeve then has a corresponding negative cross-sectional contour.
  • the screwing tool system according to the invention is preferably used in machine parts, in particular in cutting steel holders, in which a cutting steel on the holder can be fastened with a fastening screw. Such cutting steels are used in particular on lathes. Also suitable are insert plate holders which have a clamping claw which holds a turning plate in the holder.
  • the clamping screw must be tightened with a certain torque.
  • these screwdrivers have a torque limiter set to a fixed firing torque and a driven blade with a screwdriving profile that is firmly connected to the handle.
  • this is a screwdriver bit or a short blade with finger attack zones.
  • the screwdriver bit has a fferabretesprofil at one end of the blade and a coupling profile at the other end of the blade.
  • the finger attack zone which may be formed by a radially projecting projection, in particular in the form of a flag, which is rotatably connected to the blade.
  • the fferabreteselement may also be only a steel blade, which forms the coupling counter profile with its one end and the fferabretesprofil with its other end.
  • the two ends may have profiles, in particular cylinder-like profiles with mutually different ground plan.
  • It can be provided a Aufsteck- handle, which can be placed on the coupling profile of the screwdriver blade, so that it can be operated without the fferantriebselement.
  • the belonging to different groups, designed as a blade, in particular short blade bobabrete may have a mutually same shank cross-section, so that an auxiliary tool having a corresponding hollow profile, on blades that belong to different groups, can be placed.
  • the coupling profile is individualized in such a way that it can only be coupled with a coupling counter profile of a screw drive element which is set to the maximum release torque permissible for the screw drive element.
  • a screw drive element which is set to the maximum release torque permissible for the screw drive element.
  • the invention relates to several groups, each with one or more a coupling profile having fferabtriebs emulaten, wherein the group also includes one or more, each having a counter coupling profile having sterantriebs emulate. It is essential that the coupling profiles and coupling counter profiles are unique in groups, so that in each case only coupling profiles of a group with the coupling counter profile of the own group, but not with a coupling counter profile of another group can be coupled. The assignment is thus alternately unique.
  • the Figures 1a - 1c show the lower portion of a screwdriver handle with a torque limiter, as shown in the FIG. 16 is shown.
  • the screwdriver handles 11 form screw drive elements 1a, 1b, 1c, which belong to a respective group a, b, c.
  • Each of the three screw drive elements 1a, 1b, 1c has a chuck 34 which has a polygonal cavity.
  • the polygonal cavities whose cross sections in the FIGS. 2a, 2b, 2c are shown, have different cross-sectional profiles from each other.
  • Each chuck 34 has an individual coupling counter profile 5a, 5b, 5c.
  • coupling counter-profile 5a has the shape of a regular hexagon and belongs to the fferantriebselement 1a, which in the FIG. 1a is shown, and whose torque limiter is set to 1.4 Nm.
  • coupling counter profile 5b has the shape of a regular square, so the shape of a square.
  • the associated fferantriebselement that in the FIG. 1b is set to a limit torque of 2.0 Nm.
  • the Figure 2c shows a coupling counter profile 5c in the form of a regular pentagon.
  • the associated ringantriebselement 1 c, in the Figure 1c is set to a limit torque of 3.0 Nm.
  • FIG. 1a With the in the FIG. 1a, 1b or 1c shown erantriebselement can be actuated a plurality of each belonging to a group bobabtriebs instituten.
  • FIG. 3a illustrated screwing tool 2a has a coupling profile 4a, which cooperates with the coupling counter profile 5a such that a torque can be transmitted.
  • the coupling profile 4a is a hexagon, which fits into the hexagonal opening 5a of the chuck 34 of the screwdriver handle 1a.
  • the blade 45 is inserted in a plastic handle 42, which has finger attack zones 41. The latter are formed as projections.
  • the end of the blade 45 has a fferabretesprofil 3a, which may be formed as a hexagonal profile. Not shown, belonging to the same group of screw driven elements 2a have the same coupling profile 4a, but a differently shaped fferabretesprofil 3a, for example in the form of a Torx profile.
  • FIGS. 3b and 3c shown erabtriebs emulate 2b and 2c substantially correspond to those in the FIG. 3a illustrated sterabreteselement. However, they differ with regard to the coupling profile 4b.
  • the coupling profile 4b is a rectangular cylinder, in particular a square cylinder, which fits into the opening 5b of the chuck 34.
  • the FIG. 3b represents a group of fferabretes instituten 2b, wherein the group members have the same coupling profile 4b, but different erabretesprofile 3b.
  • erabtriebselement 2c has a coupling profile 4c, which is a pentagonal cylinder, which can be inserted into the pentagonal opening 5c of the chuck 34.
  • a coupling profile 4c which is a pentagonal cylinder, which can be inserted into the pentagonal opening 5c of the chuck 34.
  • group members not shown for the sake of clarity with the same coupling profile 4c, but different from each other
  • FIGS. 2a-2c or 4a - 4c coupling profiles shown or coupling counter profiles are designed so that they can only be mated together.
  • hexagonal cavity fits only in the FIG. 4a illustrated profile.
  • square cavity fits only in the FIG. 4b shown profile, and in the pentagonal cavity shown in Figure 2c fits only in the Figure 4c illustrated profile.
  • a second embodiment of the invention show the FIGS. 5 to 8 .
  • FIG. 5 shows a handle that forms a ringantriebselement 1.
  • There are a total of three such ringantriebside 1 are provided, which differ substantially only by the height of the fixed torque and the cross-sectional contour of the cavity of the chuck 34.
  • the torque limiting device shows the FIG. 14 ,
  • FIG. 6a and 6c show the coupling counter profiles 5, wherein in the FIG. 6a Coupling counter profile 5a shown again is a regular hexagon. That in the FIG. 6b shown negative feedback profile 5b is a square, and that in the FIG. 6c shown negative feedback profile 5c is a regular pentagon.
  • FIGS. 7a-7c show the corresponding ringabtriebs institute 2a - 2c, also here for the sake of clarity, only one element of a group is reproduced, the members of a group have a gleichgestaltetes coupling profile 4a, 4b, 4c, wherein the coupling profile 4a is formed as a hexagon and in the recess 5a fits, the coupling profile 4b is formed as a square and fits into the opening 5b, and the coupling profile 14 is formed as a pentagon and fits into the opening 5c.
  • the sortedabretelement 2a, 2b, 2c is designed here as a steel blade, which carries at one end a fferabretesprofil 3a, 3b, 3c and at its other end the coupling profile 4a - 4c.
  • FIG. 8 shows an example of a handle 44.
  • This handle is in the FIGS. 7a-7c
  • the handle forms finger engagement zones 41 and has a profile opening, which is adapted to the respective coupling profile 4a, 4b, 4c, so that the handle on the coupling profile 4a, 4b, 4c can be plugged.
  • the screw driven element 4a, 4b, 4c can then be used as a screwing tool.
  • FIGS. 9a, 9b, 9c each show a ringantriebselement 1, wherein the ringantriebs institute, the torque limiting device according to FIG. 16 have substantially differ only by the set torque and by the cross-sectional contour of the coupling counter profile 5a, 5b, 5c.
  • the individual screw drive elements can be set for example to torques of 1,0,1,5 or 2,0 Nm.
  • all the negative feedback profiles 5a, 5b, 5c each have the cross-sectional shape of a regular hexagon.
  • the hexagonal profiles differ in their area or at the distance between two opposite polygonal edges.
  • associated output elements 2a, 2b, 2c consist of hexagonal blades 45 with individual ringabtriebsprofilen 3a, 3b, 3c.
  • the blades 45 form coupling profiles 4a, 4b, 4c, which can be inserted into the negative feedback profiles 5a, 5b, 5c.
  • a handle 42 can be plugged onto each blade.
  • the plastic handle 42 has a blind opening, with a, the coupling profile 4a, 4b, 4c corresponding polygonal hole. This blind bore is in cross section in the FIG. 12 shown.
  • FIGS. 13a-13c show a fourth embodiment of fferabtriebsprofilen 3a - 3c, which are not in terms of the blade design of the in the Figures 10 -10c Distinguish shown power take-off elements. Only the handle 42 has a differently shaped opening. This is one in the FIG. 15 shown in section passage opening into which the respective blade 45 can be inserted.
  • the screwdriver according to the FIG. 16 consists of a handle 11 and a blade 12.
  • the handle 1 consists of two plastic parts 13, 14. It is a front handle portion 13, the end face of the blade 12 springs, and a rear handle portion 14, which forms a dome 15, which lies on the side of the handle 11 facing away from the blade.
  • the blade 12 is rotatable relative to the handle 11 when a tripping torque is exceeded.
  • the handle has in an inner cavity 19 but a locking mechanism which forms a torque limiting arrangement, with which by turning the handle 11 on the blade 12 a torque can be applied.
  • the blade turns in the handle. In the opposite direction significantly higher torques can be transmitted.
  • the front handle part 13 forms an internal thread 16.
  • an external thread 17 of a threaded flange of the rear handle 14 can be screwed.
  • the front handle part 13 occurs to form a parting plane 18 in touching contact with the rear handle part 14th
  • This plastic part forms a toothed part 20.
  • the tooth part 20 has a toothing 21 with sawtooth-shaped teeth.
  • the tooth part 20 is rotatably connected to the blade 12.
  • the cavity 19 of the rear handle portion 14 has not shown, extending in the axial direction grooves or ribs. In the grooves of the wall of the cavity 19 engage ribs, not shown, of a counter-tooth part 22 a.
  • the counter-tooth part 22 has a toothing 23 which corresponds to the toothing 21.
  • On the rear end face of the counter-tooth part 22 are spacers 24.
  • On the spacers 24, a helical compression spring 25 is supported, which is supported with its other end on the bottom of the cavity 19.
  • An end portion of the plastic-coated blade protrudes into the cavity of the helical compression spring 25. This end portion of the blade 12 extends through the sleeve-shaped counter tooth part 22nd
  • the rear handle part 14 forms a bearing wall 26, against which an annular collar 27 of the toothed part 20 is supported. With a bearing projection 28, the tooth part 20 is supported on an abutment 29 of the front grip part 13, so that it rests axially fixed in the handle 11. The tooth part 20 receives the blade 12. The blade 12 is stuck with its end in the up to the cavity of the compression spring 25 extending plastic part 20th
  • the release torque can be adjusted.
  • the blade 12 penetrates with play an axial cavity of the front handle portion 13th
  • the entire torque limiting arrangement is assigned to the blade.
  • the blade 12 is made of a hexagonal steel with a gradation. On this gradation, a circular metal disk 30 is supported. This metal disk 30 forms a bearing disk.
  • the tapered portion of the blade 12 receiving in itself is based on the rear wide side surface of the bearing plate 30 from a strong helical compression spring 25 with a rectangular winding profile. The clamping force of this helical compression spring 25 defines the limit torque at which the teeth of a toothing 23 and a counter toothing 21, which will be explained below, are disengaged.
  • the pointing away from the bearing plate 30 end of the helical compression spring 25 is inserted in a ring cavity, which is associated with a counter-tooth part 22.
  • the counter-tooth part 22 is made of plastic and has ribs on its outer wall.
  • the counter tooth part 22 forms saw teeth 23. These saw teeth 23 are located on the bottom of the annular groove on which the compression spring 25 is supported, opposite side. The teeth 23 engage in gaps of saw teeth 21 a tooth part 20 a.
  • the tooth part is also made of plastic. But it is rotatably and axially fixed to the blade 12 assigned. The force of the prestressed compression spring 25 presses the toothed part 20 against a washer 22 assigned to a threaded portion 31 of the blade 12. The washer 32 is held by a nut 33 which is screwed onto the threaded portion 31.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Claims (11)

  1. Système d'outil de vissage comprenant une pluralité d'éléments d'entraînement de vissage (1a- 1c) qui présentent chacun un dispositif de limitation du couple de rotation réglé sur un couple de rotation de déclenchement fixe et comprenant une pluralité d'éléments menés de vissage (2a - 2b) qui présentent un profil mené de vissage (3a - 3c) destiné à venir en prise, en transmettant le couple de rotation, avec un contre-profil correspondant d'une tête de vis et un profil de couplage (4a - 4c) destiné à être couplé, en transmettant le couple de rotation, avec un contre-profil de couplage (5a- 5c) d'un des éléments d'entraînement de vissage (1a- 1c), caractérisé en ce qu'un ou plusieurs premiers éléments menés de vissage (2a - 2c) comprenant des profils menés de vissage (3a - 3c) appartenant à un premier groupe présentent un premier profil de couplage (4a - 4c), en ce qu'au moins un ou plusieurs deuxièmes éléments menés de vissage (2a - 2c) comprenant des profils menés de vissage (3a - 3c) appartenant à un deuxième groupe, différent du premier, présentent un deuxième profil de couplage (4a - 4c), en ce qu'un ou plusieurs premiers éléments d'entraînement de vissage (1a - 1c) qui sont réglés sur un premier couple de rotation de déclenchement présentent un contre-profil de couplage (5a - 5c) qui ne peut être couplé qu'avec le premier profil de couplage (4a - 4c) et en ce qu'au moins un ou plusieurs deuxièmes éléments d'entraînement de vissage (2a - 2c) qui sont réglés sur un deuxième couple de rotation de déclenchement fixe, différent du premier, présentent un contre-profil de couplage (5a - 5c) qui ne peut être couplé qu'avec le deuxième profil de couplage (4a - 4c).
  2. Système d'outil de vissage selon la revendication 1, caractérisé par un ou plusieurs groupes supplémentaires comprenant chacun un ou plusieurs éléments menés de vissage (2a - 2c) qui présentent chacun un profil de couplage (4a - 4c) et un profil mené de vissage (3a - 3c) et comprenant chacun un ou plusieurs éléments d'entraînement de vissage (1a - 1c) qui présentent un contre-profil de couplage (5a - 5c), les profils de couplage (4a - 4c) et les contre-profils de couplage (5a - 5c) étant univoques par groupe, de sorte que des profils de couplage (4a - 4c) d'un groupe ne peuvent dans chaque cas être couplés qu'avec le contre-profil de couplage (5a - 5c) de leur propre groupe, et pas avec un contre-profil de couplage d'un autre groupe.
  3. Élément d'entraînement de vissage (1a - 1c) pour un système d'outil de vissage selon l'une des revendications précédentes, qui présente un dispositif de limitation du couple de rotation réglé sur un couple de rotation de déclenchement fixe, en combinaison avec une pluralité d'éléments menés de vissage (2a - 2c) qui présentent un profil mené de vissage (3a - 3c) destiné à venir en prise, en transmettant le couple de rotation, avec un contre-profil correspondant d'une tête de vis et un profil de couplage (4a - 4c) destiné à être couplé, en transmettant le couple de rotation, avec un contre-profil de couplage (5a - 5c) de l'élément d'entraînement de vissage (1a - 1c), un ou plusieurs premiers éléments menés de vissage (2a - 2c) comprenant des profils menés de vissage (3a - 3c) appartenant à un premier groupe présentant un premier profil de couplage (4a - 4c) et au moins un ou plusieurs deuxièmes éléments menés de vissage (2a - 2c) comprenant des profils menés de vissage (3a - 3c) appartenant à un deuxième groupe, différent du premier, présentant un deuxième profil de couplage (4a - 4c), caractérisé en ce que l'élément d'entraînement de vissage (1a - 1c) présente un contre-profil de couplage (5a - 5c) qui ne peut être couplé qu'avec le premier profil de couplage (4a - 4c).
  4. Élément mené de vissage pour un système d'outil de vissage en combinaison avec une pluralité d'éléments d'entraînement de vissage (1a - 1c) qui présentent chacun un dispositif de limitation du couple de rotation réglé sur un couple de rotation de déclenchement fixe, l'élément mené de vissage (2a - 2b) présentant un profil mené de vissage (3a - 3c) destiné à venir en prise, en transmettant le couple de rotation, avec un contre-profil correspondant d'une tête de vis et un premier profil de couplage (4a - 4c) destiné à être couplé, en transmettant le couple de rotation, avec un contre-profil de couplage (5a - 5c) d'un des éléments d'entraînement de vissage (1a - 1c), un ou plusieurs premiers éléments d'entraînement de vissage (1a - 1c) qui sont réglés sur un premier couple de rotation de déclenchement présentant un contre-profil de couplage (5a - 5c) qui ne peut être couplé qu'avec le premier profil de couplage (4a - 4c) et au moins un ou plusieurs deuxièmes éléments d'entraînement de vissage (2a - 2c) qui sont réglés sur un deuxième couple de rotation de déclenchement fixe, différent du premier, présentant un contre-profil de couplage (5a - 5c) qui ne peut être couplé qu'avec un deuxième profil de couplage (4a - 4c), caractérisé en ce que l'élément mené de vissage (2a - 2c) présente un premier profil de couplage (4a - 4c) appartenant à un premier groupe de profils menés de vissage (3a - 3c) qui est différent du deuxième profil de couplage (4a - 4c) qui est présenté par un deuxième élément mené de vissage (2a - 2c) comprenant des profils menés de vissage (3a - 3c) appartenant à un deuxième groupe différent du premier.
  5. Système d'outil de vissage selon la revendication 1 ou 2 ou élément mené de vissage selon la revendication 4, caractérisé en ce que les profils de couplage (4a - 4c) différents les uns des autres se distinguent par une surface de section différente et sont en particulier supportés par des polygones réguliers, y compris en forme d'étoile, comme des profilés carrés, pentagonaux et hexagonaux.
  6. Système d'outil de vissage selon la revendication 2 ou 5 ou élément d'entraînement de vissage selon la revendication 3, caractérisé en ce que les contre-profils de couplage (5a - 5c) sont des ouvertures dans lesquelles seuls les profils de couplage (4a - 4c) connexes peuvent être introduits en transmettant le couple de rotation.
  7. Système d'outil de vissage selon l'une des revendications 1, 2, 5 ou 6 ou élément d'entraînement de vissage selon la revendication 1 ou 6, caractérisé en ce que les éléments d'entraînement de vissage (1a - 1c) sont formés par des poignées (11), qui sont en particulier réalisées de façon essentiellement identique et présentent un axe mené (12) présentant le contre-profil de couplage (5a - 5c) auquel le couple de rotation de déclenchement peut au maximum être transmis par le biais de la poignée dans la direction de serrage de vis et un couple de rotation supérieur peut être transmis dans la direction de desserrage de vis.
  8. Système d'outil de vissage selon l'une des revendications 1, 2, 5 à 7 ou élément d'entraînement de vissage selon la revendication 3, 6 ou 7, caractérisé en ce que l'élément d'entraînement de vissage possède une cavité de prise dans laquelle se trouve le dispositif de limitation du couple de rotation, présentant des dents s'engageant les unes dans les autres, qui ne peut être réglé qu'après l'ouverture de la prise.
  9. Système d'outil de vissage selon l'une des revendications 1, 2, 5 à 8 ou élément d'entraînement de vissage selon la revendication 4, 5, 7 ou 8, caractérisé en ce que l'élément mené de vissage (2a - 2c) est un tournevis intégré qui est doté de zones de prise pour doigts (41) pour pouvoir être utilisé comme outil de vissage accessoire et/ou est une lame profilée.
  10. Système d'outil de vissage ou élément d'entraînement de vissage selon la revendication 9, caractérisé en ce que la zone de prise pour doigts (41) est formée par une avancée (42, 44) faisant saillie radialement à partir de l'axe de rotation du tournevis intégré, en particulier par une languette ou une poignée à enfoncement.
  11. Utilisation d'un système d'outil de vissage selon l'une des revendications précédentes, caractérisée en ce qu'un élément mené de vissage est inclus dans l'emballage d'un objet présentant un vissage.
EP13709428.0A 2012-03-21 2013-03-14 Système d'outil de vissage comprenant une pluralité de poignées munies d'un dispositif de limitation du couple de rotation et de tournevis intégrés aptes à être couplés auxdites poignées Active EP2828038B1 (fr)

Applications Claiming Priority (2)

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DE201210102392 DE102012102392A1 (de) 2012-03-21 2012-03-21 Schraubwerkzeugsystem mit einer Mehrzahl von mit einer Drehmomentbegrenzungseinrichtung ausgestatteten Handgriffen und damit koppelbaren Schraubendrehereinsätzen
PCT/EP2013/055214 WO2013139672A2 (fr) 2012-03-21 2013-03-14 Système d'outil de vissage comprenant une pluralité de poignées munies d'un dispositif de limitation du couple de rotation et de tournevis intégrés aptes à être couplés auxdites poignées

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DE102004016521A1 (de) 2003-05-17 2004-12-16 Wera Werk Hermann Werner Gmbh & Co. Kg Schraubendreher mit Drehmomentbegrenzung
DE102004012417B4 (de) * 2003-09-10 2010-01-21 Felo-Werkzeugfabrik Holland-Letz Gmbh Funktionsteil für einen Schraubendreher und Schraubendrehersatz
DE202004009014U1 (de) * 2004-06-07 2005-07-28 Froidevaux, Hugues Schraubenziehergriff für Drehmomentbegrenzer
ITUD20050050A1 (it) * 2005-04-05 2006-10-06 Amu S R L Impugnatura di cacciavite manuale con dispositivo torsiometrico pretarato idoneo per il serraggio di una serie di viti di varia grandezza
DE202006013223U1 (de) * 2006-08-29 2007-01-18 Hsieh, Chih-Ching Drehkraft-Schraubenschlüssel mit einer Funktion zum Identifizieren einer Spezifikation des Schraubenschlüssels
EP2077930A4 (fr) * 2006-11-03 2010-11-24 Battenfeld Technologies Inc Systèmes d'entraînement à ajustement de couple, et systèmes d'entraînement à ajustement de couple conditionnés
US20080243135A1 (en) * 2007-03-30 2008-10-02 Robinson Randolph C Driver-Fixator System, Method, and Apparatus
ITUD20070108A1 (it) * 2007-06-13 2008-12-14 Amu S R L "caccavite torsiometrico manuale pretarato"

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WO2013139672A3 (fr) 2014-02-13
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EP2828038A2 (fr) 2015-01-28

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