EP2617526A1 - Clé plate - Google Patents

Clé plate Download PDF

Info

Publication number: EP2617526A1
Authority: EP; European Patent Office
Prior art keywords: segment; ring; lever; wrench according; wrench
Prior art date: 2012-01-18
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

EP13151272.5A

Other languages

German (de)

English (en)

Other versions

EP2617526B1 (fr

Inventor

Thomas Merhar

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.)

Hilti AG

Original Assignee

Hilti AG

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.)

2012-01-18

Filing date

2013-01-15

Publication date

2013-07-24

2013-01-15 Application filed by Hilti AG filed Critical Hilti AG

2013-07-24 Publication of EP2617526A1 publication Critical patent/EP2617526A1/fr

2019-08-28 Application granted granted Critical

2019-08-28 Publication of EP2617526B1 publication Critical patent/EP2617526B1/fr

Status Active legal-status Critical Current

2033-01-15 Anticipated expiration legal-status Critical

Images

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
- B25B13/00—Spanners; Wrenches
- B25B13/10—Spanners; Wrenches with adjustable jaws
- B25B13/28—Spanners; Wrenches with adjustable jaws the jaws being pivotally movable
- 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
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/04—Spanners; Wrenches with rigid jaws of ring jaw type
- 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
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of 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
- 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
- B25B13/52—Chain or strap wrenches

Definitions

the invention relates to a wrench according to the preamble of claim 1.
a wrench is equipped with a handle and a swing-open ring for the positive and in particular rotationally fixed grip a screw head or a nut, wherein the ring, a first segment which is arranged on the handle a free second segment and a connecting member which connects the second segment hingedly connected to the first segment.
a generic wrench is from the EP 1 165 291 A1 known. This document teaches a wrench with a swing-up ring which provides a ratchet function.
the object of the invention is to develop a known wrench so that a particularly high level of user-friendliness and a particularly high versatility is given with a particularly high reliability and simple design.
a wrench according to the invention is characterized in that a lever for pivoting the ring is arranged on the connecting member.
a first basic idea of the invention can be seen to provide a lever on the swing-open ring.
the ring can be pivoted into an open position, so that it can be pushed laterally in the radial direction onto a threaded rod.
An awkward threading of the wrench from the end of the threaded rod ago can therefore be omitted and the wrench can in particular at the middle of the threaded rod are used even if the threaded rod is blocked at one or both ends for the ring.
the invention is based inter alia on the idea that the Aufschwenkiana of the ring can not only cause a ratchet function for loosening and / or tightening a nut or a screw, but that it additionally allows opening of the ring and thus a radial sliding onto a threaded rod.
the invention is based on this and provides a lever with which the pivoting mechanism can be actuated in a particularly simple manner. In particular, it is no longer necessary according to the invention for opening the ring to grip the ring itself, as it allows the inventive lever to operate the Aufschwenkmechanismus in a remote location from the ring.
the ring can be opened in a particularly simple manner even in poorly accessible positions and advantageously with the same hand, which also holds the handle.
a particularly high level of user-friendliness and a particularly high versatility is given.
Another basic idea of the invention is to fasten the lever to the connecting member, which is arranged between the free second segment and the relative first segment fixed to the handle. This can ensure that the ratchet function is not affected by the lever. Moreover, since the connecting member covers a comparatively short distance when the ring is opened, the lever travel required to open the ring can also be small. According to the invention thus a particularly compact wrench can be obtained, which further increases the versatility.
the handle, the first segment, the connecting link and the second segment form a chain. Viewed along this chain, the first segment is located closer to the handle than the second segment.
the second segment can be fastened to the handle only indirectly, namely via the connecting member and the first segment.
the two segments and the connecting member are expediently rigid, in particular formed of a metal material.
the ring has a ratchet function which is suitable for loosening and tightening one of the nuts. The ring is attached to the handle, especially at the end of the handle.
a pressing of the lever causes the ring to open towards the first segment.
an opening of the ring is effected by a particularly space-saving compression movement, so that the wrench can be used under even cramped space conditions and the range of use is thus further increased.
a structurally particularly simple and at the same time user-friendly embodiment can be provided in that the lever extends, at least in sections, along an outer side of the first segment facing away from the second segment and / or the interior of the ring.
the first segment extends at least partially between the lever and the second segment.
the lever may have a pressure range. This pressure area can be used to rest a finger for pressing the lever towards the first segment, ie for opening the ring.
the lever in the pressure range with the handle forms an angle of less than 60 °, in particular less than 45 °.
the dimensions of the wrench can be further reduced with good usability and thus the range of applications can be extended.
the intermediate space between the pressure region of the lever and the first segment is free. Since, according to this embodiment, no further elements are present between the pressure region and the first segment, the available lever travel is particularly large. As a result, a reduction of the dimensions is possible again.
a further advantageous embodiment of the invention is that the connecting member is pivotally connected about a first pivot axis on the first segment, and that the second segment is pivotally connected about a second pivot axis on the connecting member, wherein the first pivot axis and the second pivot axis parallel and / or spaced from each other.
This can be given a particularly large opening angle for the ring with a particularly high reliability and a particularly simple design.
the first segment, the link and the second segment are a one-dimensionally movable chain, i. form a joint chain. Between the first segment and the handle, another joint may be arranged, which allows a pivoting in a further spatial direction. But the first segment and the handle can also be rigidly connected and / or be made in one piece.
the lever in particular over its entire length, runs parallel to the two pivot axes. Since the lever according to this embodiment is not twisted, it can be produced in a particularly simple manner.
the lever is angled at least simply, preferably around at least one bending axis running parallel to the pivot axes.
the lever is thus preferably at least partially L-shaped. This can be advantageous in terms of size and at the same time the production cost.
the lever can be better adapted to the shape of the underlying segment and / or incorrect operation can be avoided.
the direction of curvature is the same in the various bending areas.
the lever can be curved in all bending areas to the first segment.
the lever consists of a bent sheet metal. This is advantageous in terms of manufacturing costs.
the connecting member is a front bearing plate on which preferably the two segments are mounted, a rear bearing plate on which preferably the two segments are mounted, and a central web which supports the two bearing plates connects, has.
the lever can be fastened in a particularly simple manner on the central web.
the individual bearing plates can also have recesses and / or be designed in several parts, wherein the individual parts can also be connected only by the central web.
the connecting member has a first axle pin for the first segment and a second axle pin for the second segment.
the axle bolts can in particular be designed as screws, that is to say with an external thread, since this allows a particularly simple fixing. It is particularly preferred that the two axle bolts each extend between the two bearing plates.
the ring has a ratchet function.
This ratchet function can for example be realized in that upon rotation of the wrench relative to the nut or the screw head in the release direction, a pivoting of the second segment from the first segment can take place, so that a rotationally fixed connection between the ring on the one hand and the mother or the screw head on the other is canceled, and that a restoring device is provided, which returns the second segment back to the first segment.
a compression spring for closing the ring is arranged between the two segments. This compression spring forces the ring in a closed position. It can also form the restoring device required for the ratchet function.
the first segment has a first tooth
the second segment has a second tooth, wherein the first tooth abuts the second tooth with its flank facing the interior of the ring.
a partial toothing between the two segments is given.
the teeth meshing in one direction of rotation ensure that the second segment is not only moved translationally but also rotationally relative to the first segment when the ring is opened by actuating the lever.
the ring can open particularly wide even with a small lever travel, which facilitates inter alia the insertion of a threaded rod in the ring.
swiveling of the second segment away from the first segment is not hindered by the teeth, so that the ratcheting function is not impaired.
a further advantageous embodiment of the invention lies in the fact that the wrench has a front side facing the observer and a rear side facing away from the observer when viewed through the ring, and that the front side has a colored or geometric marking so that it differs from the rear side.
This embodiment takes into account that in a wrench according to the invention, the ratchet function is generally not reversible, so that tightening and loosening a nut may require different orientations of the wrench.
the advantageous marking makes it possible to recognize particularly quickly for which direction of rotation the wrench is oriented.
the first segment has at least one edge located inside the ring, and / or that the second segment has at least one edge located inside the ring. These edges serve to receive corresponding outer edges of the screw head or the nut.
the figures show a variant of a wrench according to the invention in various views and operating states.
FIG. 2 shows, the wrench on a handle 6, at the end a ring 3 is hinged.
This ring 3 has (see in particular FIG. 1 ), a first segment 11, an approximately parallel thereto extending second segment 12 and a connecting member 20, which connects the two segments 11 and 12 together.
an eye 15 is arranged, on which the handle 6 is articulated (compare, in particular Figures 1 and 2 ).
the first segment 11 has two edges 17 in the interior of the ring 3, and the second segment 12 in the interior of the ring 3 has two edges 18 (cf. FIG. 3 ).
the edges 17 and 18 are parallel to each other and take on the outer edges of a arranged in the interior of the ring 3 nut or arranged there screw head.
Fig. 4 shows, the segments 11 and 12 between the edges 17 and 18 convex portions 70, which serve for producing a positive rotationally fixed connection between the ring and 3 and arranged in the interior of the ring 3 nut or arranged there screw head.
FIG. 1 shows, the connecting member 20 is pivotally mounted on the first segment 11 about a pivot axis 41 and the second segment 12 pivotally about a pivot axis 42, wherein the two pivot axes 41 and 42 are parallel and spaced from each other.
the pivotability of the segments 11 and 12 about the two pivot axes 41 and 42 allows the ring 3 from a in the FIGS. 4 and 5 shown closed position in a in the FIGS. 6 and 7 to transfer illustrated open position.
the ring 3, the mother or the screw head form fit rotatably grip.
the second segment 12 abuts the first segment 11 at its end opposite the connecting member 20.
the second segment 12 is spaced at its opposite end of the connecting member 20 from the first segment 11, so that the ring 3 can be pushed radially onto a threaded rod.
the pivot axis of the eye ie the pivot axis about which the handle 6 is pivotable relative to the ring 3, is perpendicular to the pivot axes 41 and 42.
a compression spring 28 is arranged, which is compressed when opening the ring 3, and thus forces the ring 3 in its closed position.
the compression spring 28 may be arranged in particular in the interior of the connecting member.
FIGS. 5 and 7 further show, on the first segment 11, a tooth 51 protrudes radially, which abuts on its side facing the interior of the ring 3 flank on a second tooth 52 which projects radially on the second segment 12.
the two teeth 51 and 52 meshing only in one direction of rotation ensure that the second segment 12 makes a rotational movement relative to the connecting member 20 about the pivot axis 42 and the ring 3 opens when the connecting member 20 relative to the first segment 11 about the pivot axis 41 is pivoted around.
the swing-ring 3 provides a ratchet function, which is realized in that the second segment 12 can escape from the first segment 11 during a rotation of the wrench in the release direction and is then reset by the compression spring 28 again. So that the user can quickly grasp which is the release direction, as in FIG. 4 shown on the viewing direction through the ring 3 front of the wrench a color mark 60 may be provided on the in FIG. 4 unrecognizable back of the wrench is missing.
the connecting member 20 has a front bearing plate 21, a parallel to the front bearing plate 21 extending rear bearing plate 22 and a perpendicular to the bearing plates 21, 22 extending central web 23, the bearing plates 21 and 22 facing away from the interior of the ring 3 outer edges connects with each other.
the connecting member 20 further comprises two parallel and formed as a slotted screws axle bolts 25 and 26.
the two axle bolts 25 and 26 are arranged in recesses of the front bearing plate 21 and in recesses of the rear bearing plate 22.
the second segment 12 is pivotally mounted.
the wrench also has a lever 30 which serves to open the ring 3 against the action of the compression spring 28.
the lever 30 is fixed to the connecting member 20, for example, welded, and consists of a bent plate, which runs parallel to the two pivot axes 41, 42.
the lever 30 is angled in an L-shape, wherein a first leg of the L-shaped lever 30 is formed by a pressure region 31 and a second leg by a connecting portion 32.
the lever 30 is attached to the connecting member 20.
the pressure region 31 extends along the outer side 13 of the first segment 11, which faces away from the interior of the ring 3. For a maximum lever travel between the outer side 13 of the first segment 11 and the pressure region 31, no further elements are arranged, that is, the gap 14 between the first segment 11 and the pressure region 31 of the lever 30 is free.
FIG. 2 shows the pressure range 31 of the lever with the handle at an angle of about 3 °, ie the longitudinal axis 73 of the lever 30 in the pressure region 31 extends at an angle of about 3 ° to the longitudinal axis 76 of the handle. 6
the lever 30 may also be repeatedly bent, for example, twice, so that it is even better adapted to the shape of the underlying first segment 11.
the lever 30 has on its side facing away from the connecting region 32 a back region 33 which is angled relative to the pressure region 31 located between the connecting region 32 and the back region 33.
a wrench designed as a ring wrench which has both a ratchet function and an opening function.

Landscapes

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

EP13151272.5A 2012-01-18 2013-01-15 Clé plate Active EP2617526B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102012200644A DE102012200644A1 (de)	2012-01-18	2012-01-18	Schraubenschlüssel

Publications (2)

Publication Number	Publication Date
EP2617526A1 true EP2617526A1 (fr)	2013-07-24
EP2617526B1 EP2617526B1 (fr)	2019-08-28

Family

ID=47594544

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13151272.5A Active EP2617526B1 (fr)	2012-01-18	2013-01-15	Clé plate

Country Status (4)

Country	Link
US (1)	US8925425B2 (fr)
EP (1)	EP2617526B1 (fr)
CA (1)	CA2801437A1 (fr)
DE (1)	DE102012200644A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2018167520A1 (fr) *	2017-03-16	2018-09-20	Nigel Buchanan	Têtes de clés pour conduite et clés pour conduite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014225916B4 (de) *	2014-12-15	2016-07-14	NUBIUS GROUP Präzisionswerkzeuge GmbH	Schlüssel mit konischer Fläche
US9884409B2 (en) *	2016-01-15	2018-02-06	Zhe Jiang Yiyang Tool Manufacture Co., Ltd	Pipe wrench

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3097552A (en) *	1961-09-28	1963-07-16	Benjamin F Kelley	Pipe tongs
WO2000058057A1 (fr) *	1999-03-29	2000-10-05	Smart Tools Limited	Cle
US20100122610A1 (en) *	2008-11-17	2010-05-20	Chen-Tsung Chen	Adjustable Wrench That Clamp a Workpiece Exactly and Tightly

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US746705A (en) *	1903-05-05	1903-12-15	Charles N Hutchins	Pipe wrench or clamp.
US1539943A (en) *	1921-11-17	1925-06-02	Edgar E Greve	Pipe tongs
US1524708A (en) *	1923-11-26	1925-02-03	Grant	Pipe or casing tongs
US1730096A (en) *	1927-01-25	1929-10-01	Samuel T Smith	Pipe tongs
US2180979A (en) *	1939-03-23	1939-11-21	Gen Electric	Hydraulic press
US4616534A (en)	1984-10-23	1986-10-14	Park Sea C	Closed end wrench
US6257098B1 (en) *	1996-12-10	2001-07-10	Paul F. Cirone	Article collation feature and method
GB0814013D0 (en)	2008-07-31	2008-09-10	Smart Tools Ltd	Wrench socket
DE202009006978U1 (de)	2009-05-14	2009-07-23	Fan, Chen Jun	Schraubenschlüssel
DE202009008148U1 (de)	2009-06-12	2009-08-27	Fan, Chen Jun	Verstellschlüssel

2012
- 2012-01-18 DE DE102012200644A patent/DE102012200644A1/de not_active Withdrawn
2013
- 2013-01-10 CA CA2801437A patent/CA2801437A1/fr not_active Abandoned
- 2013-01-15 EP EP13151272.5A patent/EP2617526B1/fr active Active
- 2013-01-17 US US13/743,683 patent/US8925425B2/en active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3097552A (en) *	1961-09-28	1963-07-16	Benjamin F Kelley	Pipe tongs
WO2000058057A1 (fr) *	1999-03-29	2000-10-05	Smart Tools Limited	Cle
US20100122610A1 (en) *	2008-11-17	2010-05-20	Chen-Tsung Chen	Adjustable Wrench That Clamp a Workpiece Exactly and Tightly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2018167520A1 (fr) *	2017-03-16	2018-09-20	Nigel Buchanan	Têtes de clés pour conduite et clés pour conduite
CN110914017A (zh) *	2017-03-16	2020-03-24	N·布坎南	线扳手头和线扳手

Also Published As

Publication number	Publication date
DE102012200644A1 (de)	2013-07-18
US20130180365A1 (en)	2013-07-18
EP2617526B1 (fr)	2019-08-28
CA2801437A1 (fr)	2013-07-18
US8925425B2 (en)	2015-01-06

Publication	Publication Date	Title
EP3235074B1 (fr)	2020-02-05	Pince de compression
DE102007049032B4 (de)	2021-03-18	Zange
EP2251583B1 (fr)	2011-12-14	Support, notamment pour caméra
EP2142340B1 (fr)	2018-09-19	Outil à pince manuel
DE102007001235A1 (de)	2008-07-17	Presszange zum Verpressen von Werkstücken
DE102009050865B3 (de)	2011-06-09	Montagezange mit lösbarer Gegenklinke
WO2007038815A1 (fr)	2007-04-12	Dispositif d'amortissement
EP3794689B1 (fr)	2022-11-09	Pince-étau
DE10225206B4 (de)	2006-02-09	Schraubenschlüssel mit zwei starren Stützbereichen für eine Sperrklinke
EP2047766B1 (fr)	2015-08-05	Dispositif destiné au raccordement d'une bande sur un élément supplémentaire
EP2617526B1 (fr)	2019-08-28	Clé plate
EP1721577B1 (fr)	2008-04-02	Instrument endoscopique
EP1979112B1 (fr)	2009-09-23	Dispositif de transport de pieces
DE3809239A1 (de)	1989-10-05	Spannvorrichtung fuer eine druckluftwaffe
DE2555071C2 (de)	1982-04-29	Handbetätigtes Gerät zum Verpressen von Kabelschuhen, Kabelverbindern o.dgl.
EP0824996B1 (fr)	2001-09-19	Pince à ouverture variable
EP3563973B1 (fr)	2022-03-30	Pince
DE102016125517A1 (de)	2018-06-28	Handwerkzeug mit einer Ratschenfunktion
EP1853136B1 (fr)	2008-07-16	Meuble reglable servant de siege
DE202010006494U1 (de)	2010-09-30	Handbetätigte Spannwerkzeuge
DE102019115223A1 (de)	2020-12-10	Presse
DE10353552B4 (de)	2005-11-03	Chirurgisches Instrument
DE102018112183B3 (de)	2019-08-29	Ratschenschlüssel
EP1887151B1 (fr)	2015-06-03	Support angulaire
DE202008004849U1 (de)	2009-08-20	Handbetätigendes Zangenwerkzeug

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