WO2016024011A1 - Clé de serrage - Google Patents

Clé de serrage Download PDF

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Publication number
WO2016024011A1
WO2016024011A1 PCT/EP2015/068746 EP2015068746W WO2016024011A1 WO 2016024011 A1 WO2016024011 A1 WO 2016024011A1 EP 2015068746 W EP2015068746 W EP 2015068746W WO 2016024011 A1 WO2016024011 A1 WO 2016024011A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
fixed
handle
jaw
clamping jaw
Prior art date
Application number
PCT/EP2015/068746
Other languages
German (de)
English (en)
Inventor
Gernot M. Hirse
Original Assignee
Knipex-Werk C. Gustav Putsch Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knipex-Werk C. Gustav Putsch Kg filed Critical Knipex-Werk C. Gustav Putsch Kg
Publication of WO2016024011A1 publication Critical patent/WO2016024011A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • 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
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/28—Spanners; Wrenches with adjustable jaws the jaws being pivotally movable
    • B25B13/32—Spanners; Wrenches with adjustable jaws the jaws being pivotally movable by cam, wedge or lever
    • 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
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B25B13/5025—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool
    • B25B13/5041—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe using a pipe wrench type tool with movable or adjustable jaws
    • B25B13/505—Pivotally moving or adjustable
    • 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
    • B25B7/02—Jaws

Definitions

  • the invention relates to an actuatable via two mutually pivotable handles wrench, with two jaws, of which a festste- hitching jaw with an associated, having a longitudinal extent having fixed handle which has a clamping jaw facing away from the free end, and of which the other Clamping jaw is pivotable about a pivot axis relative to the fixed jaw by means of a movable handle, wherein further define the jaws opposite to the jaw mouth opening opposite to the given in the direction of the free end longitudinal extent of the fixed handle jaw opening.
  • Spann stylishl the type in question are known. These are used in particular for fastening and / or for loosening screw connections, in particular for tightening and / or loosening of hexagonal heads having screws or nuts.
  • the movable handle can not be moved into a self-determination, which may be given by an over-center position when forming a knee joint, for example.
  • a clamping surface of the fixed clamping jaw extends with respect to a clamping surface of the opposing movable clamping jaw in the said plan view on the side of the movable handle.
  • the clamping jaws are only movable towards one another, but not already in an engaged position relative to one another or can be displaced into them. It is also preferred that none of the clamping jaws is formed so that it overlaps the other with respect to the free end.
  • the pivotable handle is preferably connected to the pivotable clamping jaw via an existing from rigid arms link mechanism. This is a favorable translation of the lever operation on the movable jaw reachable. This also results in favorable ways to achieve a slim design of the Spann bachelorls.
  • the link mechanism may, as further preferred, have two movable joints and two fixed joints.
  • the fixed joints are preferably formed on fixedly connected to the fixed handle and / or with the fixed jaw portions.
  • the pivotable clamping jaw is preferably articulated.
  • the pivotable handle is further preferably connected to the further (first) fixed joint.
  • a rigid arm This can be formed elongated aligned along a straight line. Also, this handlebar can extend in plan view along a circular arc. The handlebar is preferably connected only via a movable joint with the movable hand lever. It is preferably not part of the movable hand lever.
  • the link mechanism has a handlebar fixedly connected to the pivotable handle or a handlebar fixedly connected to the pivotable clamping jaw.
  • the pivotable jaw and / or the pivotable handle as such form the handlebar.
  • the pivotable handle can have an angled design.
  • the movable joint of the movable hand lever may be arranged in a further detail associated with a free end of the bend.
  • the fixed hinge may be associated with a transition of the angling to the preferably substantially elongated rectilinear region which provides the one-hand engagement surface upon actuation. This area is also more preferably substantially longer, about two to three times or more in length accordingly, than the bend.
  • a fixed hinge is preferably independent of the above characterization or, in combination, formed on a laterally projecting portion of a spanner body.
  • This fixed joint connects the spanner body with the movable hand lever.
  • the wrench body connects the fixed handle with the fixed jaw and preferably also with the movable jaw and the movable hand lever.
  • the wrench body is preferably formed in one piece and of the same material with the fixed clamping jaw and the fixed handle, moreover preferably also with the projecting portion. It is given such a basic body, on which the further handle and the pivotable clamping jaw are articulated.
  • the spanner body can form a neck portion beyond the handle side (first) fixed hinge.
  • This neck portion forms in particular the rigid connection between the fixed joints, wherein in each case from the neck portion pioneering the handles are provided and the other end substantially the tool mouth between the clamping jaws.
  • the neck portion may also be added to the pivotable handle with the pivotable jaw connecting link.
  • the neck portion may be formed for this purpose as a hollow body.
  • a pocket may be formed for receiving the handlebar.
  • the pocket is preferably designed to be open at least to one longitudinal edge of the neck portion, alternatively towards both longitudinal edge edges.
  • only an overlap of the handlebar can be given, so that in one Top view of the handlebar is visible, however, is hidden in the other plan view of the spanner.
  • the connecting link can extend at least in a jaw position in complete coverage to the neck portion, so that in a plan view of the neck portion is covered in a hidden position of the neck portion. Also, as preferred, the connecting link in each jaw position can run in such a hidden position.
  • the second fixed joint is preferably formed between the pivotable clamping jaw and the fixed clamping jaw.
  • the second fixed joint associated with a handle-side end portion of the fixed jaw may be formed.
  • the handle-side (first) movable joint of the handlebar can move in the longitudinal direction of the neck portion alone move between a position grip side and a position on the back side of the first fixed joint or move maximally to a counter-position to the first fixed joint.
  • This handle-side movable joint is arranged at least in a jaw position in a hidden position to the neck portion.
  • the hidden position is given in each jaw position.
  • the position baking side of the first fixed joint is preferably taken in the jaw-closed position. With opening of the clamping jaw according to spreading the pivotable handle relative to the fixed handle, the handle-side movable joint moves preferably via a circular path around the first fixed joint in the direction of a pointing in the direction of the fixed handle position.
  • a geometric connecting line This may extend outside the neck portion, so preferably at least over a central, contiguous portion of the neck portion, considered in the longitudinal extent of the neck portion length at least 0.5 times, preferably at least 0.8 times the total length of the neck portion.
  • a geometric connecting line between the movable joints may extend within the neck portion.
  • the connecting line can in this case extend over the entire extent within the neck portion.
  • the connection line can run only over a portion of the neck portion within the same.
  • the width measured transversely to the longitudinal extent of the neck portion may correspond to the jaw opening width when the jaw opening is open or less.
  • the measured width can preferably correspond to the jaw opening width when the jaw mouth is fully open or also 0.5 to 0.99 times the maximum jaw opening width.
  • the fixed jaw and the pivoting jaw form a jaw mouth.
  • the opening direction of the jaw opening is preferably directed perpendicular to a connecting line between two straight lines at the largest opening of the jaw mouth, which lines either affect the clamping surfaces of the clamping jaws or their straight course correspond (each with respect to a plan view).
  • the connecting line again runs perpendicular to the two straight lines.
  • the opening direction at an acute angle to the connecting line, in particular at an acute angle of 0 to 30 °, further for example 5 or 15 °.
  • the opening direction of the jaw mouth may coincide with a direction of extension of the neck portion or may include an acute angle of 0.1 to 30 ° to the neck portion.
  • the direction of extension of the neck portion may be defined by a line in the width direction of the neck portion extending centrally of the neck-cut.
  • This line can cut through the jaw mouth in the above-mentioned plan view.
  • this line can extend in extension by one of the jaws, for example, by the fixed jaw.
  • this line can also form in its extension a clamping surface, in particular the clamping surface of the fixed clamping jaw, tangent line. It is preferred a slim design of the Spann negotiatels given to use this example in both sides limited, narrow spaces to tighten or loosen a screw or nut.
  • the width of the neck section which is considered transversely to the longitudinal extent may further correspond to 0.2 to 0.6 times the width of the clamping key in the region of the clamping jaws measured parallel thereto for the maximum closed jaw mouth.
  • the width of the chip wrench in the region of the clamping jaws results in the above-mentioned plan view by the distance between two mutually parallel lines, the Flank jaws on the outside, continue to touch in particular. These lines furthermore preferably run parallel to a previously described extension direction of the neck section, given by a longitudinal center line of the neck section or at an acute angle of up to 15 ° thereto.
  • the length of the neck portion may correspond to 0.7 to 1.3 times the parallel measured length of the jaws. This also underlines the slim design.
  • At least one clamping jaw can be provided with a toothing on the clamping jaw mouth side.
  • a smooth surface may be provided, which is optionally interrupted by one or more notches.
  • a screw or nut for example, can be released at only -30 ° freedom of movement.
  • a spring which acts directly or indirectly on the link mechanism.
  • the spring can act in the opening direction of the clamping jaw mouth.
  • the spring may be configured such that it acts in the closing direction of the jaw mouth.
  • the numerical or ratio ranges given above and below also include, as far as they are not already given by way of example, all intermediate values as disclosed, in particular with respect to a one or multiple narrowing of the specified range limits in 1/10 steps.
  • a range of 0.1 to 30 degrees including 0.2 to 30 degrees, 0.1 to 29.9 degrees, 0.2 to 29.9 degrees, 1.7 to 12.4 degrees, etc .
  • for a range of 0.2 to 0.6 tray including 0.3 to 0.6 tray, 0.2 to 0.5 tray, 0.3 tray to 0.5 tray, 0.4 to 0.6 tray, etc.
  • range from 0.7 to 1.3 tray also included 0.8 to 1.3 tray, 0.7 to 1.2 tray Tray, 0.8 to 1.2 tray, 0.9 to 1.1 tray, etc.
  • the individual values thus given, which may be due to the narrowing mentioned, are also disclosed herein as singular values.
  • FIG. 1 is a perspective view of a clamping wrench in a first embodiment.
  • Fig. 2 is an exploded perspective view of this
  • FIG 3 shows the clamping wrench in plan view, with the clamping jaw opening maximally open
  • FIG. 4 shows a plan view according to FIG. 3 in the use position of the clamping key when gripping a screw head to be loosened or clamped;
  • FIG. 5 shows a plan view corresponding to FIG. 3, but relating to the maximally closed position of the clamping jaw mouth
  • Fig. 7 is an enlarged detail view of the area VII in Figure 3;
  • FIG. 8 shows a representation corresponding to FIG. 7, but relating to a second embodiment of the clamping jaws
  • FIG. 9 shows the clamping key in plan view, relating to a third embodiment
  • 10 shows the wrench according to FIG. 9 in plan view, relating to a further utilization position.
  • the chuck key 1 initially has a rigid, elongate chuck body 2.
  • transition is in any case in the embodiment at the level of in the drawing (for example, Fig. 1, 3) lower fixed joint and / or the lower movable joint, if it is in this relationship in its lowest position.
  • spanner body 2 connects the stationary handle 3 with a fixed clamping jaw 4, which faces away from the handle 3 in the longitudinal extent of the tension wrench body.
  • FIG. 3 the above-mentioned plan view is given, in which the fixed jaw 4 and the pivotable jaw 8 are opposite each other and the pivot axis of the pivotable jaw punctiform images.
  • a laterally, transversely to the longitudinal extension of the wrench body 2 cantilevered portion 5 is formed on the wedge body 2.
  • An the section 5, a pivotable handle 7 is hinged on the first fixed joint 6.
  • the section 5 is located at the bottom relative to "up” and “down” of the chip wrench.
  • the pivot axis in the fixed joint 6 extends transversely to
  • the pivotable handle 7 is thus movable around the fixed joint 6 or its axis in the direction of the fixed handle 3 or of this weg flod.
  • the fixed jaw 4 is associated with a pivotable jaw 8.
  • This clamping jaw 8 extends with respect to a plan view according to Figure 3 opposite to the pivoting handle 7. Accordingly, the pivoting handle 7 with respect to the fixed handle 3 extends on the side of the fixed jaw 4th
  • the pivotable clamping jaw 8 is articulated via a second fixed joint 9 on the fixed clamping jaw 4.
  • the second fixed joint 9 is assigned to a grip-side or tension-key body-side end of the fixed clamping jaw 4.
  • the axis of the second fixed joint 9 is parallel to the axis of the first fixed joint 6.
  • the end region of the pivotable clamping jaw 8 assigned to the second fixed joint 9 preferably passes through a free space F of the fixed clamping jaw 4 corresponding to its thickness.
  • the free space F is designed as a slot lying in the clamping jaw pivoting plane, the two sides preferably having two walls 10 approximately equal in thickness having.
  • the free space F preferably extends from the grip-side end region of the fixed clamping jaw 4 into the region of the section 5.
  • the clamping key body 2 is preferably penetrated by the clearance F between the section 5 and the grip-side end region of the fixed clamping jaw 4.
  • the spanner body 2 forms beyond the first fixed joint and thus preferably beyond the projecting portion 5 a neck portion 11 which extends to the handle-side end region of the fixed clamping jaw 4.
  • the neck portion 1 is in a preferred embodiment thus solely from the spaced apart walls 10. More preferably, the neck portion 11 is elongated and formed substantially straight, more preferably substantially in extension to the fixed
  • Handle 3 or oriented on an extension of a central axis of the fixed handle 3.
  • the neck portion 11 provides the waist over a longitudinal extension waist-like taper.
  • the pivotable handle 7 and the pivoting jaw 8 are connected via an existing rigid steering arms linkage L.
  • the link arm 12 is also referred to above as angling. This can extend in a plan view according to FIG. 3 at an obtuse angle of 100 ° to 120 ° to a center axis of the pivotable handle 7.
  • the link arm 12 is preferably formed integrally with the actual handle 7, which forms a substantially elongated rectilinear region.
  • a first movable joint 13 is formed with a link 16, with a parallel to the axes of the two fixed joints 6 and 9 extending axis.
  • the handlebar section 14 further preferably extends approximately in the transition from the fixed clamping jaw 4 into the neck section 11, in this case being covered by the walls 10 of this transitional area.
  • the two movable joints 13 and 15 are connected via the rigid, elongated handlebar 16. This extends in the free space F and is je- Weil's end connected in the fork-shaped areas of the handlebar arm 12 and the handlebar section 14 to form the movable joints 13 and 15 on the pivoting handle 7 and the pivoting jaw 8 end.
  • the handlebar 16 is further preferably designed so dimensionally, further also the relevant width of the neck portion 11 that the handlebar 16 in each possible working position with respect to a plan view of FIG 3 by one of the walls 10 of the wrench body 2 and the neck portion 11 completely is covered. The overlap can also be given only partially.
  • the handlebar 16 remains accordingly, as preferably also the movable joints 13 and 15, always in a concealed position in the free space F, therefore preferably does not occur beyond the outer contour of the neck portion 11 addition.
  • the Spann beaul 1 acts in a known pincer manner. According to manually operated pivoting of the handle 7 in the direction of the fixed handle 3, the pivoting jaw 8 is displaced in the direction of the fixed jaw 4, this while reducing the jaw mouth 17 formed between the jaws 4 and 8 and the given here jaw width w.
  • the jaw width w is given by a connecting line between two straight, parallel lines c and d, which lines c, d, the clamping surfaces 18, 19 of the clamping jaws 4, 8 affect and of which in any case a straight course of a clamping surface is directed accordingly.
  • the clamping surfaces 18 and 19, as shown in Figures 1 to 7, have a toothed surface.
  • the straight lines c, d for defining the jaw width w in this case extend with reference to a plan view according to FIG. 7 along the tooth tips or tangentially to a curve or a circular line a, which runs in the plan view according to FIG. 7 along the tooth tips of the clamping surface 19 of the fixed clamping jaw 4, which is here in the form of a bale.
  • one of the lines c, d runs correspondingly and tangentially to a straight course of a clamping surface, possibly given by said tooth tips.
  • the other of the lines runs parallel to it.
  • the clamping surface 18 of the pivotable clamping jaw 8 are the tips of the teeth or the resulting edges in a common plane.
  • smooth-surfaced clamping surfaces 18 and 19 are possible. Starting from the smooth-surfaced clamping surface 18 or 19 can be provided to the respective clamping surface 18, 19 receding notches 20.
  • the opening direction of the jaw mouth 17 is directed perpendicular to the line connecting the lines c to d, which corresponds to the line for describing the mouth width w.
  • Next includes the opening direction or a vertical geometric line to the lines connecting the lines c and d to a geometri- see center line e of the neck portion 11 an acute angle ß of 10 to 20 °, preferably about 15 °, this particular in the example in FIG. 7 shows the maximum opening position of the jaw muzzle 17.
  • the width b of the neck portion 11 considered transversely to the geometric center line e preferably corresponds to 0.5 to 0.75 times, more particularly 2/3 of the jaw width w in the maximum open jaw position according to FIG. 7.
  • the width b of the neck portion 11 can correspond to one third of the outer width f of the clamping jaws 4 and 8 in the smallest jaw position according to FIG.
  • The, the clamping jaws 4 and 8 flanking lines on the outside to define the width f in this case preferably parallel to each other and parallel to the center line e of the neck portion eleventh
  • the length 1 of the neck portion 11 considered in the direction of longitudinal extension is selected so that it corresponds approximately to the length m of the clamping jaws 4 and 8 measured parallel to this in the smallest jaw position according to FIG. 5.
  • the handle-side movable joint (first movable joint 13) changes viewed in the longitudinal direction of the neck portion 11 between a handle side position and a back-side setting of the first fixed joint 6.
  • the distinction between the back side and the handle side can be found in doubt by a perpendicular through a geometric axis of the fixed joint, perpendicular to the center line of the neck portion extending above or below, these terms are again related to the representation of Fig. 3, the geometric axis of the movable Joint is located.
  • the axis of the first movable joint 13 is located with respect to a perpendicular to the center line e and the axis of the first fixed joint 6 intersecting line n in the maximum open position of the Jaw mouth 17 on the side facing away from the neck portion 11 of the line n, ie the fixed handle 3 faces.
  • the axis of the first movable joint 13 is displaced around a circular line with a circle center in the first fixed joint 6, in this case preferably the line n overflowing, in order in a smallest jaw position according to FIG neck portion side, with respect to the line n facing away from the fixed handle 3 to lie.
  • a geometric connecting line p between the two fixed joints 6 and 9 or between their geometric axes preferably extends in each Spann negotiatel position outside the neck portion 11, while more preferably a geometric connecting line r between the movable joints 13 and 15 and their axes preferably in each Spann negotiatel Position within the neck portion 11 extends.
  • the handlebar 16 in hiding position within the neck portion 11 can have a curved course, wherein the convex curvature side points in the direction of the peripheral edge of the neck portion 11 which corresponds to the pivotable handle 7 or the fixed jaw 4 faces.
  • a spring 21 for example a leg spring, may be provided for loading the steering gear L into the clamping jaw opening position. It results in particular by the above-described embodiment of the neck portion 11, a slender, waist-like configuration of the Spann beauls 1, which allows, for example, work in confined areas.
  • pivoting angles ⁇ of at least 30 ° can be achieved (compare FIG. 4).
  • a wrench which is characterized in that relative to a plan view, in which the fixed jaw 4 and the pivotable jaw 8 are opposite, the handle 7, which is associated with the pivotable jaw 8, with respect to the other handle 3 on the side of the fixed Clamping jaw 4 is arranged.
  • a wrench which is characterized in that the pivotable handle 7 is connected to the pivotable clamping jaw 8 via an existing rigid steering arms linkage L.
  • a Spann personallyl which is characterized in that the link mechanism L has two movable joints 13, 14 and two fixed joints 6, 9.
  • a wrench which is characterized in that a fixed joint 6 is formed on a laterally projecting portion 5 of a wrench body 2, the fixed handle 3 with the fest- standing jaw 4 connects.
  • a wrench which is characterized in that the wedge body 2, seen from the fixed handle 3, beyond the handle side fixed joint 6 forms a neck portion 11, in the contour of which a pivotable handle 7 with the pivotable jaw 8 connecting arm 16th is included.
  • a wrench which is characterized in that the second fixed hinge 9 is formed between the pivotable clamping jaw 8 and the fixed clamping jaw 4.
  • a wrench which is characterized in that the second fixed joint 9 associated with a handle-side end portion of the fixed jaw 4 is formed.
  • a wrench which is characterized in that the handle-side movable joint 13 of the handlebar 16 in the longitudinal direction of the neck portion 11 between a handle side position and a position on the back side of the first fixed joint 6 changes or moves to a maximum compared to the first fixed joint 6.
  • a Spann Jardinl which is characterized in that a geometric connecting line p between the two fixed joints 6, 9 extends outside of the neck portion 11.
  • a wrench characterized in that a geometric connecting line p between the two movable joints 13, 15 inside half of the neck portion 11 extends.
  • a wrench which is characterized in that the fixed jaw 4 and the pivoting jaw 8 form a jaw mouth 17 and that the opening direction of the jaw mouth 17 at the largest opening of the jaw mast 17 perpendicular to a connecting line c, d between two straight lines c, d addressed is which lines c, d either the clamping surfaces 18, 19 of the clamping jaws 4, 8 tangent or their straight course correspond.
  • a wrench which is characterized in that the measured width transverse to the longitudinal extent of the neck portion 11 width b of the jaw opening width w when the jaw opening 17 or less corresponds.
  • a chuck key which is characterized in that the opening direction of the jaw mouth 17 coincides with an extension direction of the neck portion 11 or includes an acute angle ⁇ of 0.1 to 30 ° to the neck portion 11.
  • a wrench which is characterized in that at maximum closed jaw mouth 17 considered transversely to the longitudinal extent width b of the neck portion 11 from 0.2 to 0.6 times the measured parallel thereto width of the clamping key 1 in the region of the clamping jaws 4, 8th equivalent.
  • a clamping wrench which is characterized in that, with the clamping jaws 4, 8 maximally closed, the length l of the neck section 11 amounts to 0.7 to 1.3 times the length m of the clamping jaws 4, 8 measured parallel thereto. speaks.
  • a Spannischenl which is characterized in that a spring F is provided, which acts on the linkage L.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne une clé de serrage (1) pouvant être actionnée au moyen de deux poignées (3, 7) pivotant l'une par rapport à l'autre. Ladite clé comprend deux mâchoires de serrage (4, 8), l'une étant une mâchoire de serrage fixe (4) assemblée solidement à une poignée fixe (3) associée présentant une direction longitudinale, laquelle poignée comporte une extrémité libre (E) opposée aux mâchoires de serrage (4, 8), et l'autre étant une mâchoire de serrage (8) pouvant pivoter par rapport à la mâchoire de serrage fixe (4) autour d'un axe de pivotement au moyen d'une poignée mobile (7). Les mâchoires de serrage (4, 8) délimitent en outre un mors (17) de mâchoire de serrage s'ouvrant à l'opposé de la direction longitudinale de la poignée fixe (3) donnée dans le sens de l'extrémité libre (E). L'invention vise à fournir une clé de serrage pouvant être manipulée d'une manière particulièrement avantageuse. A cet effet, selon l'invention, rapporté à une vue en élévation dans laquelle la mâchoire de serrage fixe (4) et la mâchoire de serrage pivotante (8) se font face et l'axe de pivotement est reproduit par des pointillés, la poignée mobile (7), laquelle est associée à la mâchoire de serrage pivotante (8), est disposée par rapport à l'autre poignée (3) sur la face de la mâchoire de serrage fixe (4).
PCT/EP2015/068746 2014-08-14 2015-08-14 Clé de serrage WO2016024011A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014111620.8 2014-08-14
DE102014111620.8A DE102014111620B4 (de) 2014-08-14 2014-08-14 Spannschlüssel

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WO2016024011A1 true WO2016024011A1 (fr) 2016-02-18

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WO (1) WO2016024011A1 (fr)

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CN109454579A (zh) * 2018-12-25 2019-03-12 永兴特种不锈钢股份有限公司 一种圆管扳手

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FR333006A (fr) * 1903-06-12 1903-11-13 Adrien Pierre Favier Sécateur ébrancheur
US800850A (en) * 1905-05-23 1905-10-03 Irland Pipe Wrench Company Pipe-wrench.
US1151772A (en) * 1915-03-09 1915-08-31 Helmer Erickson Pliers.
US1718398A (en) * 1927-07-16 1929-06-25 Zaeske Henry Louis Tongs

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US4725049A (en) * 1987-03-09 1988-02-16 Jose Cantarinhas Inverse welding clamp
US6993999B2 (en) * 2002-09-16 2006-02-07 Harry Wong Expander locking plier
DE202005011533U1 (de) * 2005-07-22 2005-09-29 Lai, Chio-Wen Spannzange
TWM319122U (en) * 2007-05-10 2007-09-21 Chin-Yi Huang Multi-functional clamp of water pipe

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Publication number Priority date Publication date Assignee Title
FR333006A (fr) * 1903-06-12 1903-11-13 Adrien Pierre Favier Sécateur ébrancheur
US800850A (en) * 1905-05-23 1905-10-03 Irland Pipe Wrench Company Pipe-wrench.
US1151772A (en) * 1915-03-09 1915-08-31 Helmer Erickson Pliers.
US1718398A (en) * 1927-07-16 1929-06-25 Zaeske Henry Louis Tongs

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109454579A (zh) * 2018-12-25 2019-03-12 永兴特种不锈钢股份有限公司 一种圆管扳手
CN109454579B (zh) * 2018-12-25 2023-10-31 湖州永兴特种不锈钢有限公司 一种圆管扳手

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