EP3313618A1 - Outil à main - Google Patents

Outil à main

Info

Publication number
EP3313618A1
EP3313618A1 EP16731098.6A EP16731098A EP3313618A1 EP 3313618 A1 EP3313618 A1 EP 3313618A1 EP 16731098 A EP16731098 A EP 16731098A EP 3313618 A1 EP3313618 A1 EP 3313618A1
Authority
EP
European Patent Office
Prior art keywords
spring
tool
halves
hand tool
return spring
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
EP16731098.6A
Other languages
German (de)
English (en)
Other versions
EP3313618B1 (fr
Inventor
Thomas Lerch
Andreas H. Groten
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.)
Orbis Will GmbH and Co KG
Original Assignee
Orbis Will 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 Orbis Will GmbH and Co KG filed Critical Orbis Will GmbH and Co KG
Publication of EP3313618A1 publication Critical patent/EP3313618A1/fr
Application granted granted Critical
Publication of EP3313618B1 publication Critical patent/EP3313618B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • B25B7/08—Joints with fixed fulcrum

Definitions

  • the invention firstly relates to a hand tool comprising two tool halves intersecting one another in an articulated region and optionally connected to one another pivotally about a pivot pin, in particular in the form of pliers, scissors or the like, one tool half on one side of the joint forms a jaw and on the other side of the joint a handle, wherein further the tool halves in the region of the joint extending overlap in a covering area to each other and on the handle side of the tool halves, see between the thighs of the tool halves in a through the arranged on the handle side legs of the mold halves clamped plane and the opening movement supporting return spring is arranged, the spring arms having spring ends, wherein further the return spring is partially in the overlap region between an upper mold half and a lower Malawih half extends and the pivot axis is located outside the contours of the return spring.
  • the invention also relates to a hand tool with two intersecting in a joint region and possibly pivotally connected to each other via a hinge pin about a pivot axis tool halves, in particular in the form of pliers, scissors or the like, a tool half on one side of the joint forms a jaw and on the other side of the joint a handle, arranged on the handle side of the tool halves, between the legs of the tool halves acting in a plane spanned by the handle side legs of the mold halves level and supporting the opening movement return spring is, the spring arms having spring ends and the spring ends are formed such that they are supported on corresponding Jacobausformened the tool halves via adhesion and / or positive engagement.
  • Hand tools in particular pliers, scissors or the like are known in a variety of configurations.
  • a rotary or leg spring is placed around the hinge axis, while the spring arms are supported on the handle side legs of the tool halves.
  • the installation of these restoring elements takes place before or during the assembly and connection of the two mold halves.
  • a subsequent installation or removal of the spring element is not or difficult, without dismantling the tool halves.
  • the manufacturer must make decisions regarding intended equipment with a return spring prior to installation and advise separately in the subsequent production process.
  • the invention provides the task of a hand tool in particular a pair of pliers, scissors or the like in manufacturing technology favorable design continues to improve.
  • a possible solution to the problem is given according to a first inventive idea in a hand tool, in particular a pair of pliers, scissors or the like, in which between the tool halves a pocket-like recess is provided, in which there is a part of the return spring, which is also for assembly into the pocket-like recess in miteinan- the connected tool halves from the handle side can be introduced and the spring ends are formed such that they are held on corresponding Jacobaus- formations of the tool halves via adhesion and / or positive fit.
  • the object is achieved in that the return spring is held only by means of the spring arms on the hand tool in the overlap area, including the spring ends are formed such that they held on corresponding Jacobausformungen the tool halves via adhesion and / or positive fit are and that a spring portion in which the spring arms converge, the handle side of the spring arms is arranged.
  • the object can also be achieved according to a further inventive idea that the frictional connection and / or positive connection is achieved by a relative to a tool half movable support member.
  • Such ausgestaltetes hand tool is advantageous for the manufacturer as well as for the user.
  • By a possibly combined positive and non-positive it is possible to subsequently remove the spring completely or partially against the spring force or to decouple of at least one leg, so as to bring it into the non-operative position.
  • this allows the user to retrofit a return spring.
  • the manufacturer allows the equipment of the hand tool with the return spring to a late manufacturing stand, in particular after connecting the tool halves together. Double storage and differentiation is not necessary until then.
  • the user can subsequently use a return spring with a modified characteristic in a simple manner.
  • the optionally provided partial arrangement of the restoring spring in the overlapping area between the two mold halves turns out to be favorable for handling.
  • the spring is at least partially disposed in a hiding position, thus does not interfere or disturbing in the open pivoting range between the tool halves, in particular between the handles.
  • the spring ends can act in a force-locking manner on the respective mold half alone.
  • a positive action may be given, for example, according to appropriate positive locking design of the respective spring end and / or the hereby cooperating region of the tool half, for example.
  • the pocket-like recess may be given by a provided in the region of a tool half in the overlap region, directed in the direction of extension of the pivot axis depression, possibly also by overlapping in the overlapping region depressions in both mold halves.
  • An assembly of the return spring can be carried out with the tool halves connected to one another from the handle side, in that the return Deputy spring is introduced in particular in a hand tool in the open position in the direction of the pivot axis in pocket-like recess.
  • a possible form-fitting holder can in this case be taken automatically in the course of Einschiebevorganges.
  • the spring section in which the spring arms converge, can form an eye of the return spring. Such an eye can be given by turns.
  • the spring arms may extend from the preferably central spring portion in the direction of an end remote from the pivot axis of the handle or in the opposite direction. It may be provided for non-positive and / or positive fixing or support at least one spring leg a preferably separate support member.
  • the preferred mobility of the support member relative to the associated tool half can allow the displacement of the support member from an operative position with the spring in a Dolphindian and / or vice versa, the Brockwirk ein can also be achieved by removing the support member of the mold half.
  • the associated spring leg lacks the support. Accordingly, the spring is brought out of action upon actuation of the hand tool. Also, in this position, an assembly and / or disassembly of the spring can take place.
  • the spring force can be adjusted in a possible embodiment by depending on the position of the support member of the associated spring leg is supported more or less biased. It can be provided on only one mold half a movable support member. If movable support parts are provided on both tool halves, they may be the same, but also designed differently, in particular with regard to the nature of their displaceability.
  • the mounting region of the spring arm is so at least over a partial pivoting path of one or both tool halves in a protected position in the overlap area.
  • the mounting areas of both spring arms (also) in a maximum open position of the hand tool considered in the direction of the pivot axis in coverage to the other half of the tool.
  • the spring section forming the eye can also extend in the overlapping area, at least in one of the tool half-pivot positions, with respect to a projection in the direction of extension of the pivot axis with complete or even partial overlapping by one or both tool halves.
  • an at least two-sided enclosure of the tool half can be provided in the area of the countermolding, this at a transverse to the longitudinal extension of the tool half, for example.
  • Substantially rectangular mold halves cross-section. It may also be a Um- closure to three or around all sides of the tool half cross section.
  • the corresponding Jacobausformung the tool half can be given by a spring end receiving groove or a rib against which the spring end.
  • the correspondence rende Jacobausformung be given by a continuous cross-sectional widening of the mold half.
  • the interaction of the spring ends with the tool halves can, as preferred, be seen in a region of the tool halves on the handle side of the pivot axis.
  • the return spring may be held solely by its own spring force.
  • no further measures for holding the spring such as grooves serving for clip support, or ribs or pins to be encompassed or the like are provided in the area of the tool halves. This offers a total of a favorable assembly and disassembly of the spring.
  • the return spring can be decoupled in its handle-side direction against its restoring force on at least one leg solely by displacement in the plane spanned by the grip-side limbs of the tool halves and thus brought into the non-operative position.
  • the return spring in a plan view of the same an omega-like shape with one in the spring portion, in which the spring arms converge, given number of turns have less than 1.
  • the return spring may have a preferably central arc, from which in each case the spring arms adjoin the legs of the tool halves for support.
  • the arc can extend over an angle of more than 180 ° with respect to a Gmndriss, up to 270 ° or 300 °.
  • the arc of the omega shape can extend over an angle of up to 120 °, 180 ° or even 210 °.
  • the return spring has an omega-like shape with a number of turns of at least 1.
  • the return spring can be introduced into pocket-like recesses in the handle-side part of the legs. These recesses may be provided in the region of overlap of the tool halves near the joint. Also, the recesses may be chosen so that the spring arms supported on the legs of the tool halves can be brought into a covering position, so that in a possible embodiment, the entire return spring in a plan view of the tool, in which plan view the pivot axis as a point can be arranged in a hidden position.
  • the Martinezausformonnetunized leg and the corresponding formations of the spring ends may be spaced from the hinge axis greater than the formed by the closed or optionally not closed turn eye of the return spring.
  • the spring ends are aligned in such an embodiment, the free ends of the legs of the mold halves facing, while the remindstellfeder- eye faces the hinge axis.
  • the Jacobausformonne on the leg and the corresponding formations of the spring ends of the hinge axis may be spaced less than the eye of the return spring, so that according to the free ends of the spring legs of the hinge axis are aligned facing.
  • a raised portion is formed, which has a longitudinally extending the tool half surface, which is associated with a extending in this region of the tool half spring arm.
  • the surface extends in a preferred embodiment substantially perpendicular, so at least transversely directed to the plane defined by the handle side legs of the tool halves plane, so further preferably directed transversely to a longitudinal extent of the associated spring arm.
  • the surface of the raised area in one possible embodiment, provides the spring section with a support in the pivoting direction. This can be a support in the direction of the spring action, alternatively a support in the direction opposite to the spring force.
  • the raised area may be formed of the same material and in one piece with the grip area of the tool half, more preferably in the area of the pocket-like shape.
  • the raised region together with a further raised region opposite the surface, can form a groove extending in the extension of the tool half, in which a section of the spring arm rests.
  • the spring arm is caught in such a configuration both in the spring direction and in the direction opposite to the spring force between the raised areas.
  • the distance of the mutually facing surfaces of the two raised areas, thus corresponding to the groove walls, may be selected so that the here eino portion of the Spring arm can perform a possibly predetermined displacement in spring arm pivoting direction.
  • the section of the spring arm can have an angled portion in the direction of a free end of the tool half facing away from the pivot axis, which is guided around an associated end area of a raised area.
  • Such an angled portion may include an obtuse angle of more than 90 ° to the spring arm, for example up to 120 ° or 150 °, with respect to a plan view in which plan view the pivot axis is a point.
  • an acute angle of less than 90 ° is possible, so for example. Of 80 ° or 60 °.
  • the angled portion encompasses an end of the raised area facing away from the pivot axis in the assignment position, and in a further development from here further around the grip area of the tool half to the surface of the tool half opposite the pocket-like recess. It may be in this end region of the spring arm to a generally U-shaped bent area, which is supported with its opposite, spaced U-webs on the relevant surfaces of the tool half, possibly on one side on the bottom of the pocket-like recess, which U-webs are connected via an extending in Warre- ckungsraum the pivot axis U-legs. This U-leg can be supported on a side surface of the tool half.
  • a merely upper or lower side depression which is accessible from the opposite tool half, may be formed, in which a spring end rests expiring. This results in a tion of the expiring spring arm on a wall delimiting the depression of the tool half.
  • a support in this regard may also be provided on angular boundary surfaces of the depression that are at an angle to each other.
  • the support member may be a slip-on, which is attachable to the tool half and preferably without tools removed. In the plug-in position this provides the support of the spring leg in the possibly biased position.
  • the Aufsteckwolf can be secured to secure the position of the Aufsteckteils when acted upon by the spring leg, eg. By a rest.
  • a non tool-free backup can be given, for example.
  • a screw A screw.
  • the support member may also be a displaceable on the tool half or pivotally articulated part, which can be pushed out or pivoted to cooperate with the spring leg from a Dolphinwirk ein into an operative position.
  • the active position is also secured here.
  • the preferred securing of the active position can be achieved using the spring leg, alternatively, for example, by a detent or by a bayonet-like interaction with the tool half.
  • the ranges and / or ranges of values or multiple ranges given above also include all intermediate values, in particular in 1/10 steps of the respective dimension, if appropriate also without dimensions.
  • the indication includes up to 120 ° also the disclosure of up to 119.9 °, up to 103.5 ° etc., the disclosure of between 360 ° and 720 ° and the disclosure of between 360.1 ° to 720 °, 360 ° to 719 , 9 °, 360.1 ° to 719.9 °, 398.7 ° to 688.3 °, etc.
  • This disclosure may on the one hand to delimit a said range boundary from below and / or above, alternatively or additionally but to the disclosure of or multiple singular values from a given range.
  • Fig. 1 is a perspective view of a pair of pliers in a first
  • FIG. 3 is a representation corresponding to Figure 2, concerning a further embodiment
  • Fig. 4 is a representation corresponding to Figure 1, relating to a second embodiment
  • FIG. 5 shows an illustration according to FIG. 2, relating to the embodiment according to FIG. 4;
  • Fig. 5a shows the section along the line V a - V a in Figure 5;
  • Fig. 6 is a return spring in perspective in one embodiment
  • FIG. 8 shows a further embodiment of the return spring.
  • 9 shows a detail enlargement of a region of a tool half receiving a spring end, relating to a further embodiment
  • Fig. 11 is a representation corresponding to Figure 9, concerning a further embodiment
  • FIG. 13 shows a hand tool in a further embodiment
  • FIG. 14 shows a representation corresponding to FIG. 9, relating to a further embodiment, with a supporting part designed as a plug-on part;
  • FIG. 15 shows the section according to the line XV-XV in FIG. 14;
  • FIG. 16 shows the plug-on part in side view
  • FIG. 17 shows the slip-on part in side view, relating to a further embodiment
  • FIG. 20 shows the plug-on part according to FIG. 18 in side view
  • FIG. 21 is an illustration corresponding to FIG. 18, relating to an embodiment of the support part as a pivoting part;
  • FIG. 22 shows the pivoting part in a perspective individual view
  • FIG. 23 shows another illustration corresponding to FIG. 18, relating to an embodiment of the support part as a plug-in part
  • FIG. 24 shows the section according to the line XXIV-XXIV in FIG. 23;
  • Fig. 25 the plug in perspective view.
  • a hand tool 1 in the form of a pair of pliers, here in the form of a side cutter has two tool halves 2 and 3, which intersect in a hinge pin 4 with a rotation axis x. Starting from the tool halves 2 and 3 pivotally about the geometric axis of rotation x mutually holding hinge pin 4 form the tool halves 2 and 3 on the one side legs 5 and 6 and on the other side of the hinge pin 4 jaws 7 and 8. 0048] The legs 5 and 6 are designed as handles.
  • Pocket-like recesses 9, 10 are provided in the covering area U in the sections of the tool halves 2 and 3 facing the legs 5 and 6. These extend from a support plane of the tool halves 2 and 3 in the overlap area U, which support plane extends transversely to the axis of rotation x, in the direction of extension of the axis of rotation x considered thickness direction of the tool halves 2 and 3 in the overlap area U. Thus, the recess can be approximately extend over half the thickness of the tool half 2, 3 in the covering area U.
  • the pocket-like recesses 9, 10 may, viewed in the pivoting direction of the tool halves 2, 3, be limited on the outside by raised portions 17. In the direction of pivoting inwardly, the recesses 9, 10 run freely in the embodiments of Figures 1 to 5.
  • the recess 9, 10 may be delimited by a shoulder 18 extending transversely to the longitudinal extent of the tool half 2, 3.
  • a return spring 11 is received. This may be a wire spring having a substantially omega-like shape.
  • the return spring 11 has a preferably central spring portion 12 in the manner of an eye. This can be given according to the representation in Figure 7 by a circular portion-shaped area which is not closed in the circumferential direction, but rather extends over an angle of about 200 ° to 210 ° (see Figure 8).
  • spring arms 13 extend angled outward.
  • the spring portion 12 may be given as shown in Figure 6 by a circumferential turn of the spring wire, for example by a turn of about 270 °.
  • the spring arms 13 extend outwards.
  • the spring arms 13 can form Um chargedsabitese 14. These consist essentially of two mutually parallel and spaced-apart spring wire sections, which are connected to each other via a transverse spring portion.
  • the enclosing portions 14 of both spring legs 13 are aligned repellent.
  • the return spring 11 may be supported in the region of the recesses 9 of the tool halves 2 and 3 solely by their restoring force on the hand tool 1.
  • a part of the return spring 11, in the two first embodiments essentially the spring portion 12 extends in the overlap region U.
  • the arrangement is chosen so that the return spring 11 extends substantially in the parting plane of the two tool halves 2 and 3.
  • the return spring 11 arranged in this way can moreover be supported punctually within the recesses 9 and 10, thus, for example, in the region of the enclosing sections 14 on a facing edge of the recess 9, 10, optionally further in the region of the spring section 12 on an associated one Edge of the recess 9, 10th
  • each recess 9 or 10 accommodating the restoring spring 11 is fashioned on the outside of the leg with respect to the hinge pin 4.
  • the return spring 11 whose contour runs in a plan view of the hand tool 1, in which the axis of rotation x represents a point outside the Gelenkbol- 4, preferably offset from the hinge pin 4 in the direction of the handle soapy legs 5, 6 (see Figure 2 or 3).
  • the return spring 11 can be used subsequently, after completion of the hand tool 1, by this is inserted into the pocket-like recesses 9 and 10 of the handle side of the hand tool 1, starting. Also can be spent by displacement of a spring arm 13 in the plane defined by the legs 5 and 6 plane of this spring arm 13 against the restoring force in a Außerwirk ein to the legs 5, 6. If both spring arms 13 are spent in such a non-energizing position, the return spring 11 can be removed.
  • the counter-formations 16 on the legs 5 and 6 as well as the corresponding enclosing sections 14 and the spring ends 19 of the spring arms 13 are spaced larger from the axis of rotation x than the omega-like spring section 12 of the return spring 11.
  • a torsion spring is provided as a return spring 11, with a central spring portion 12, comprising a turn of the spring wire about 540 °.
  • the extending from here spring arms 13 have the end, in the installed state substantially in the direction of extension of the axis of rotation x extending spring ends 19 which are formed as Hintergreifabitese 15.
  • the return spring 11 (see also individual illustration in FIG. 7) can be held in the region of the recesses 9 and 10, for which each tool half 2, 3 in the overlap area U within the recesses 9, 10 one from the bottom the recess 9 in the direction of the parting plane extending web-like Jacobausfor- 16 has.
  • Each of these Martinezausformungen 16 is partially encompassed by the Schugreifabitesen 15 of the return spring 11.
  • the rear engagement sections 15 can have angled spring ends 19. These preferably extend in alignment with the pivot axis x. About the free end faces, the respective spring arm 13 can be supported on the bottom of the opposite recess 9, 10.
  • the return spring 11 is partially, also in the region of the here compared to the spring ends 19 further to the axis of rotation x spaced spring portion 12 in the overlap area U arranged.
  • FIGS. 9 and 10 show a leg 5 of a tool half 2 in the region of a pocket-like recess 9.
  • This raised portion 21 is viewed in the longitudinal extent of the tool half 2 viewed at a distance from the facing shoulder 18.
  • the bend 23 of the spring arm 13, which ultimately merges into the surrounding section 14, extends in the region of a groove which results between the raised region 21 and the shoulder 18.
  • the spring arm 13 is correspondingly guided around an end region 24 of the raised region 21 assigned to the end of the tool half 2 facing away from the pivot axis x.
  • the spring arm 13 is held according to this embodiment in the groove 22, in particular for further protection against unintentional removal of the return spring eleventh
  • the further tool half 3 is designed identically in the area of its recess 10.
  • the raised areas 17 and 21 are adjusted with respect to their viewed in the extension direction of the pivot axis x height to allow the pivoting of the legs 5, 6 in the overlapping position.
  • the inner raised regions 21 viewed in the pivoting direction can be provided on the surface side with sloping surfaces 25 sloping down from the respective groove 22 to the inner peripheral edge of the limb 5, 6.
  • the spring arms 13 can be pressed against the restoring force in the grooves 22.
  • the pocket-like recesses 9, 10 may, as further shown in Figures 11 and 12, be given in the form of upper or lower side depressions on the tool halves 2, 3 in the overlapping area U, with in the swing direction outer boundary by raised portions 17 and a boundary in the extension direction of the tool halves 2, 3 by a shoulder 18th
  • the associated spring arm 13 of the return spring 11 is supported in this embodiment, on the bottom of the depression possibly resting, outwards, i. E. in the spring-action direction, on the facing support surface of the raised region 17 and, if necessary, via an angled spring end 19 on the facing end face of the shoulder 18.
  • the spring end 19 lies in the depression or the pocket-like recess. It is in this embodiment preferably no example. U-shaped gripping the tool half 2, 3 given.
  • an arrangement and embodiment substantially according to the first embodiment shown in FIGS. 1 and 2 may be provided in the case of a hand tool 1 in the form of pliers, but in which the geometric pivot axis x does not correspond to a body axis a hinge pin coincides.
  • this hand tool 1 two hinge pins 4 are rather provided in the covering area U, which are guided in slot-shaped pivot pin.
  • the return spring 11 extends here on both sides of the hinge pin 4 and the pivot axis x outside of the hinge pin 4 as well as the pivot axis x, this under partial, to complete coverage of the central, omega-like spring portion 12 through the sections the tool halves 2, 3 in the overlap area U.
  • Figures 14 to 25 show further embodiments in which at least on a mold half 2 and / or 3 for supporting and possibly securing the associated spring arm 13 of the return spring 11, a separate support member 26 is provided which relative to the mold half 2, 3 is movable.
  • the support part 26 can be an attachable part 27 that can be arranged on the leg of the tool half 2, 3 (compare FIGS. 14 to 17).
  • the Aufsteckteil 27 may be designed in cross-section U-shaped, with U-legs which rest in the Aufsteckwolf to the associated broad side surfaces of the tool half-thigh.
  • the U-bar covers one section of the narrow side of the leg, which faces the other half of the tool.
  • the support member 26 may be plugged from the inside to the tool half 2, 3.
  • a detent fixing including, for example, a U-leg of the Aufsteckteils 27 with a locking projection in a recess of the mold half. 2 , 3 engages.
  • the U-leg which preferably does not serve the detent fixing, is designed to support the associated spring arm 13.
  • the plug-on part 27 can have a groove 28 opening in the U-opening in the U-leg, in which groove 28 the spring arm 13 is caught in a catching manner (compare FIGS. 14 and 15). Also, such a groove can open towards the free end of the U-leg, wherein the spring arm 13 is then caught between the groove wall and a raised portion 21 of the tool half 2, 3 (see Figure 17).
  • the spring 11 on the tool 1 at least on a tool half 2, 3 halterbar.
  • the other tool half 2, 3 may have, for example, a pocket-shaped recess 36 for receiving the other spring arm.
  • the other tool half may have a separate support part 26.
  • the support member 26 can be brought into a Fishwirk ein, eg. By complete removal of the tool half 2, 3 so as to take the associated spring arm 13, the counter bearing and to allow corresponding actuation of the hand tool 1 without spring force.
  • this may be a part 29 which can be shifted in the longitudinal direction of the tool half 2, 3 or a part 30 which is pivotable about an axis of rotation aligned perpendicular to the broad side surface of the tool half 2, 3 (see FIGS ).
  • a sliding displaceable part 29 may be movably arranged along an outer narrow side surface of the tool half 2, 3.
  • the U-shaped cross-section design can serve a U-leg for guiding, for example by a rib of the tool half 2, 3 engages in a correspondingly formed and aligned guide groove of the U-leg (see Figure 19).
  • the free end face of the other U-leg may, as preferred, offer the support surface for the spring arm 13.
  • the sliding displaceable part 29 is displaceable from a non-active position into an operative position and vice versa, wherein in particular the operative position is preferably secured (for example by latching).
  • Such a secured, for example latched engagement position can also be given in a pivotally displaceable part 30. Again, this can be spent from a non-operative position in an operative position and vice versa, here by pivotal displacement.
  • the fixing (for example, latching fastening) is chosen so that it can not be lifted by the force of the restoring spring 11 acting on the support part 26.
  • the pin-like insertion part 31 may have a cylindrical portion 32 which passes through the tool half 2, 3 in the region of a bore 33, with a perpendicular to the broad side surface of the tool half 2, 3 aligned bore axis. One end of the cylinder section 32 merges into a diametrically enlarged head section 34.
  • both tool halves 2, 3 separate support members 26, so for example. On both tool halves 2, 3 same support members 26, alternatively different acting support parts 26.
  • a support member 26th be provided in the form of a Aufsteckmaschines 27 or be arranged on this and on the other tool half 3, 2, a displaceable or pivotable part 29, 30 or an insertion part 31st
  • support members 26 may be used to support spring arms 13 differently shaped return springs 11, in particular those, as described with reference to FIGS 6 to 8.
  • the arrangement of a support member 26 is the determination of such return springs 11 on the hand tool 1, as well as a possibly separate temporary Außerwirkmine the return spring 11 allows.
  • a hand tool 1 which is characterized in that between the tool halves 2, 3, a pocket-like recess 9, 10 is provided, in which a part of the return spring 11 is located, which also for mounting in the pocket-like recess 9, 10 at connected tool halves 2, 3 of the handle side can be inserted and the spring ends are formed such that they are held on corresponding Jacobausformungen 16 of the tool halves 2, 3 via adhesion and / or positive engagement.
  • a hand tool which is characterized in that the return spring 11 is held only by means of the spring arms 13 on the hand tool 1 in the overlapping area U, including the spring ends 19 are formed such that they correspond to Jacobausformungen 16 of the tool halves 2, 3rd are held by traction and / or positive locking and a spring section 12, in which the spring arms 13 converge, is disposed on the handle side of the spring arm 13.
  • a hand tool 1 which is characterized in that the frictional connection and / or positive locking is achieved by a support part 26 which can be moved relative to a tool half.
  • a hand tool which is characterized in that a holding portion of a spring arm 13 in any case in the course of closing the hand tool 1 in the direction of the pivot axis x considered overlapping the other tool half 2, 3 comes.
  • a hand tool which is characterized in that the holding areas of both spring arms 13 in the maximum open state of the hand tool 1 in the direction of the pivot axis x considered overlapping are to the other half of the tool.
  • a hand tool which is characterized in that the two spring ends of the return spring 11 for the purpose of interacting with corresponding Jacobausformungen 16 on the handle side legs 5, 6 of the respective tool halves 2, 3 on the tool halves 2, 3 handle side of the joint this whole or partially enclose.
  • a hand tool characterized in that the return spring 11 is held by its own spring force.
  • a hand tool which is characterized in that the return spring 11 by displacement in the plane spanned by the handle side legs 5, 6 of the tool halves 2, 3 level in griff researcherer direction against her Restoring force on at least one leg 5, 6 decoupled and thus can be brought into extermination.
  • a hand tool which is characterized in that the return spring 11 has an omega-like shape with a given in the spring portion 12 by the spring arms 13 converge, given number of turns under 1, and / or, preferably, that the return spring 11 is an omega -like shape with a number of turns of at least 1 has.
  • a hand tool which is characterized in that the counter-formations 16 on the legs 5, 6 and the corresponding formations of the spring ends 19 are spaced from the pivot axis x greater than the spring portion 12 of the return spring 11 by the spring arms 13 converge.
  • a hand tool which is characterized in that the counter-formations 16 on the legs 5, 6 and the corresponding formations of the spring ends 19 are spaced from the pivot axis x less than the spring portion 12 of the return spring 11 by the spring arms 13 converge.
  • a hand tool which is characterized in that a raised portion 21, which has a surface extending in the longitudinal direction of the tool half 2, 3, is formed on a handle half 2, 3 on the handle side of the overlapping area U. the tool half 2, 3 is assigned extending spring arm.
  • a hand tool characterized in that the raised area 21 together with a further surface opposite the surface are obtained. Benen area 17 in the extension of the tool half 2, 3 extending groove 22 ausformt, in which a portion of the spring arm 13 rests.
  • a hand tool which is characterized in that the section of the spring arm 13 in the direction of a free end of the tool half 2, 3 facing away from the pivot axis x has an angled portion 23 which leads around an associated end area 24 of a raised area 21 is.
  • a hand tool which is characterized in that on the tool half 2, 3 outside of the overlap region U is only a top or bottom depression, which is accessible from the opposite mold half 2, 3, is formed, in which a spring end of the 19th expiring rests.
  • a hand tool which is characterized in that the support member 26 is a plug-on part 27.
  • a hand tool which is characterized in that the support member 26 is a on the tool half 2, 3 slidably or pivotally articulated part 29, 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Scissors And Nippers (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

L'invention concerne un outil à main (1) comprenant deux moitiés d'outil (2, 3) reliées de manière pivotante l'une à l'autre et disposées de manière à se croiser mutuellement dans une région d'articulation, en particulier sous la forme d'une pince ou de tenailles ou similaires. Une moitié d'outil (2, 3) forme une mâchoire (7, 8) d'un côté de l'articulation et une poignée de l'autre côté de l'articulation. En outre, sur le côté poignée des moitiés d'outil (2, 3), entre les branches (5, 6) des moitiés d'outil (2, 3), est disposé un ressort à branches ou de torsion agissant dans un plan défini par les branches (5, 6) côté poignée des moitiés d'outil (2, 3) et facilitant le mouvement d'ouverture. Les moitiés d'outil (2, 3) peuvent s'étendre l'une par rapport à l'autre dans la région de l'articulation de manière à se recouvrir dans une région de recouvrement (U). L'invention vise à améliorer davantage un mode de réalisation avantageux en termes de technique de fabrication d'un outil à main (1), en particulier d'une pince, de tenailles ou similaires. À cet effet, l'axe de rotation de l'articulation se situe à l'extérieur des contours du ressort de rappel (11) et les extrémités de ressort (19) sont formées de telle sorte qu'elles peuvent être fixées aux protubérances complémentaires (16) correspondantes dans la position active par force ou par complémentarité de forme de soutien, ou s'appuyer contre celles-ci, et/ou que le ressort de rappel (11) s'étend partiellement dans la région de recouvrement (U) entre une moitié d'outil supérieure (2, 3) et une moitié d'outil inférieure (2, 3).
EP16731098.6A 2015-06-29 2016-06-16 Outil à main Active EP3313618B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015110435 2015-06-29
DE102016102785.5A DE102016102785B4 (de) 2015-06-29 2016-02-17 Handwerkzeug
PCT/EP2016/063896 WO2017001205A1 (fr) 2015-06-29 2016-06-16 Outil à main

Publications (2)

Publication Number Publication Date
EP3313618A1 true EP3313618A1 (fr) 2018-05-02
EP3313618B1 EP3313618B1 (fr) 2021-05-19

Family

ID=57537437

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16731098.6A Active EP3313618B1 (fr) 2015-06-29 2016-06-16 Outil à main

Country Status (4)

Country Link
EP (1) EP3313618B1 (fr)
CN (1) CN107921611B (fr)
DE (1) DE102016102785B4 (fr)
WO (1) WO2017001205A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2046642A (en) 1935-09-06 1936-07-07 Therl C Lynch Spring for fruit and flower cutters
SE398995B (sv) 1975-12-19 1978-01-30 Bahco Verktyg Ab Tang
DE3710922C1 (de) * 1987-04-01 1988-08-11 Werner Cielker Zange zum Verschieben von flexiblem Strangmaterial
US5203084A (en) 1992-03-20 1993-04-20 Pei-Ken Lui Structure for scissors with pincer-clip
DE20105643U1 (de) 2001-03-30 2001-06-13 Chen Jin Fu Rückstellvorrichtung für eine Zange
US6739217B2 (en) * 2002-01-08 2004-05-25 Ideal Industries, Inc. Soft-grip wire stripper
DE20203207U1 (de) 2002-02-28 2002-05-16 Chen Jin Fu Werkzeug
CN205290720U (zh) * 2016-01-14 2016-06-08 国家电网公司 一种新型多功能电力拆封专用钳

Also Published As

Publication number Publication date
DE102016102785A1 (de) 2016-12-29
EP3313618B1 (fr) 2021-05-19
WO2017001205A1 (fr) 2017-01-05
CN107921611B (zh) 2020-10-16
DE102016102785B4 (de) 2024-06-13
CN107921611A (zh) 2018-04-17

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