EP0585540B1 - Outil de vissage - Google Patents

Outil de vissage Download PDF

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Publication number
EP0585540B1
EP0585540B1 EP93108623A EP93108623A EP0585540B1 EP 0585540 B1 EP0585540 B1 EP 0585540B1 EP 93108623 A EP93108623 A EP 93108623A EP 93108623 A EP93108623 A EP 93108623A EP 0585540 B1 EP0585540 B1 EP 0585540B1
Authority
EP
European Patent Office
Prior art keywords
bore
polygonal pin
transverse bore
screwing tool
detent ball
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.)
Expired - Lifetime
Application number
EP93108623A
Other languages
German (de)
English (en)
Other versions
EP0585540A1 (fr
Inventor
Klaus Neuhaus
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.)
Stahlwille Eduard Wille GmbH and Co KG
Original Assignee
Eduard Wille 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 Eduard Wille GmbH and Co KG filed Critical Eduard Wille GmbH and Co KG
Publication of EP0585540A1 publication Critical patent/EP0585540A1/fr
Application granted granted Critical
Publication of EP0585540B1 publication Critical patent/EP0585540B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • 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
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • 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
    • B25B13/488—Spanners; Wrenches for special purposes for connections where two parts must be turned in opposite directions by one tool

Definitions

  • the invention relates to screwing tools with a part rotatable about an axis of rotation, which is provided with a polygonal pin on which a tool part with a recess complementary to the polygonal pin can be placed, the polygonal pin and the tool part having continuous longitudinal bores along the axis of rotation, through which a holding member can be inserted is, a transverse bore is also provided in the polygonal pin, which opens on the one hand in the longitudinal bore and on the other hand on the outside of the polygonal pin, and wherein a detent ball is seated in the transverse bore, which can be snapped into a snap-in recess of the tool part.
  • a known screwing tool of the aforementioned type in the form of a ratchet is described, for example, in EP-A-0 066 710.
  • a longitudinally displaceable holding member is provided with a lateral recess that widens in length.
  • the recess interacts with a ball that is movable in a transverse hole in the square pin.
  • the holding member is acted upon by the force of a spring, by means of which it is held in a locking position in which the ball is in locking engagement with a locking recess in a socket wrench insert.
  • the socket wrench insert is securely held on the square pin or ratchet.
  • the holding member is rotatable in the longitudinal bore of the rotating part and the square pin about its axis between a release position and a locking position. This ensures that the locking position cannot be released unintentionally by acting on the spring loading the holding member. In the release position, the holding member can only be adjusted against the force of the spring and in the longitudinal direction of the longitudinal bore to such an extent that the ball can be released from the locking engagement and the socket wrench insert can be released from the square pin.
  • the cross hole has a narrowing towards the outside of the square pin, which prevents the ball from falling out of the cross hole when the socket wrench insert is removed.
  • Flat head bolts are also known as connecting links which contain a threaded part for fastening by means of a nut.
  • a profiled recess runs in the free end of the threaded part, with which a screwdriver with a correspondingly profiled engagement part can be brought into engagement.
  • the flat head bolt is then held in place by the screwdriver inserted in this way, while the nut is tightened with a ratchet and a socket wrench insert.
  • the screwdriver extends through a longitudinal hole in the ratchet and the socket wrench insert.
  • the invention has for its object to combine two coaxial screwing tools, one of which has a plug-in tool part, in a structurally simple manner.
  • the further screwing tool simultaneously takes over the function of holding the detent ball in engagement with the detent recess.
  • the screwing tools including the attached tool part, can be released from a workpiece without the attached tool part being able to come loose and fall off.
  • the further screwing tool can be freely rotated relative to the attached tool part.
  • the additional screwing tool is pulled out, the attached tool part becomes free.
  • the detent ball cannot fall inwards into the longitudinal bore.
  • Embodiments of the invention are the subject of the dependent claims.
  • a ratchet 1 can be seen with a screwdriver 2 and a socket wrench insert 3, which are in engagement with a fastener.
  • This fastener consists of a shearable nut 4 on the threaded part of a flat-headed bolt 5 and serves to fasten two bodies 6 and 7 to one another.
  • the screwdriver 2 is shown as an angle screwdriver; instead, the ratchet 1 can of course be provided with any other embodiment of a screwdriver which is provided at one end with a profiled engagement part which is designed to engage with a correspondingly profiled recess on a screw or the like.
  • the ratchet 1 contains a handle 8, which is only partially reproduced, and a head part 9 at one end of the handle 8.
  • a rotary part 10 is inserted, which is rotatably mounted about an axis of rotation running centrally in the drawing plane from bottom to top .
  • the direction of rotation is on the ratchet 1 with the help of a Adjustable adjustment device, which is generally designated 12 and contains a switch 14.
  • a switch 14 Such setting devices for ratchets are known and are therefore not described in detail here.
  • the rotating part 10 is provided with a square pin 16 which projects towards the side of the rotating part 10 facing away from the switch 14.
  • the rotating part 10 and the square pin 16 are penetrated by a longitudinal bore 18, which in the illustrated embodiment as axial, i.e. Continuous cylinder bore is carried out along the axis of rotation.
  • the screwdriver 2 extends through the longitudinal bore 18 and is provided in this area with an outer diameter adapted to the inner diameter of the longitudinal bore 18.
  • the outside diameter of the screwdriver 2 and the inside diameter of the longitudinal bore 18 are matched to one another such that the screwdriver 2 and the rotating part 10 with the square pin 16 can be freely rotated relative to one another within the longitudinal bore 18.
  • the screwdriver can thereby be moved freely in the longitudinal direction in the longitudinal bore 18 and can be pulled out of the latter.
  • the square pin 16 further includes a transverse bore 20 in which a detent ball 22 is received in a freely movable manner. This arrangement is shown in detail in FIGS. 2 and 3.
  • Fig. 2 shows a section through the arrangement of Fig. 1 along a line II-II.
  • the detent ball 22 projects into a detent recess of the socket wrench insert 3, which in the exemplary embodiment shown is designed as a radial bore 28 aligned with the transverse bore 20 in the square pin 16.
  • Fig. 3 The arrangement of the detent ball 22 in the transverse bore 20 of the square pin 16 is shown in Fig. 3.
  • Security means are provided to ensure that the spherical inner body 22 cannot fall out of the transverse bore 20 in the absence of the screwdriver 2 and / or the socket wrench insert 3.
  • these securing means contain a taper 24 at the end of the transverse bore 20 which opens into the axial longitudinal bore 18 of the square pin 16, and a caulking 26 at the end opening on the outside of the square pin 16. It is thus prevented on the one hand that the detent ball 22 in its release position, which it assumes after the corresponding longitudinal displacement or removal of the screwdriver 2 from the longitudinal bore 18, passes from the transverse bore 20 into the longitudinal bore 18.
  • these securing means are also designed such that when the screwdriver 2 is inserted into the through hole 18, the detent ball 22 is displaced to the outside to such an extent that it engages in the radial bore 28 or detent recess of the socket wrench insert 3. As a result, the latter is securely held on the square pin 16 without the free longitudinal mobility and rotatability of the screwdriver 2 being impaired thereby.
  • the socket wrench insert 3 plugged onto the square pin 16 is constructed in a conventional manner and contains a stepped passage 30.
  • the first step 31 of this passage 30 is provided with an inner profile adapted to the outer profile of the square pin 16.
  • the second, expanded stage 32 leads via a ring shoulder 33 to a third, still further stage 34 of the passage 30.
  • the third stage 34 is provided with a polygonal inner profile which can engage the outer profile of a nut.
  • the first step 31 of the passageway 30 includes the radial bore 28 that extends across the passageway 30.
  • the Radial bore 28 is aligned with plug-in wrench insert 3 with cross bore 20 of square pin 16.
  • the third stage 34 of the passage 30 is in engagement with the outer profile of the shearable nut 4, which is screwed onto the threaded part of the flat headed bolt 5.
  • the flat-headed bolt 5 contains a profiled recess 36 in the threaded part.
  • a correspondingly profiled engagement part 40 of the screwdriver engages in this recess 36.
  • the screwdriver 2 shown in detail in FIG. 4 contains a cylindrical shaft part 38, the outside diameter of which is adapted to the inside diameter of the longitudinal bore 18.
  • the screwdriver 2 contains the profiled engagement part 40 with a hexagonal profile, which is adapted to the profiled recess 36 in the threaded part of the flat-headed bolt 5.
  • the ratchet described above works as follows: First, the socket wrench insert 3 is placed on the square pin 16 and the screwdriver 2 is inserted into the longitudinal bore 18. As a result, the spherical inner body 22 in the transverse bore 20 of the square pin 16 is pressed so far out that it projects into the radial bore 28 of the socket wrench insert 3. As a result, the socket wrench insert 3 is securely held on the square pin 16 or the ratchet 1. The profiled engagement part 40 of the screwdriver 2 protruding from the socket wrench insert 3 is then inserted into the profiled recess 36 in the threaded part of the flat headed bolt 5. The third stage of the passage 30 in the socket wrench insert 3 comes into engagement with the shearable nut 4.
  • the ratchet 1 When the ratchet 1 is actuated, ie when the rotary part 10 is turned with the square pin 16 relative to the screwdriver 2 in the preset direction of rotation, the flat head bolt 5 is held by the hand-held screwdriver 2 and the nut is tightened by the socket wrench insert 3 rigidly connected to the ratchet 1. The bodies 6 and 7 are thereby braced against one another and fastened to one another. When the ratchet 1 is operated further, the nut 4 is finally sheared off at the weak point 42 which can be seen in FIG. 1.
  • the ratchet 1 is immediately available together with the screwdriver 2 and the socket wrench insert 3 for subsequent applications of the same type.
  • the screwdriver 2 can be easily removed from the through hole 18 or displaced therein sufficiently in the longitudinal direction so that the socket wrench insert 3 becomes free and can be replaced.
  • the securing means in the form of the taper 24 and the caulking 26 ensure that the spherical inner body 22 cannot fall out of the transverse bore 20 of the square pin 16.
  • an extension piece 46 is inserted between the rotary part 10 with the square pin 16 and the socket wrench insert.
  • the extension piece 46 has a longitudinal bore 47 aligned with the longitudinal bore 18 of the rotating part 10 and the square pin 16. Furthermore, the extension piece 46 also has a square pin 16A corresponding to the square 16 at its end facing the socket wrench insert 3.
  • a square recess 31A is formed which receives the square 16.
  • a radial bore 28A corresponding to the radial bore 28 of the socket wrench insert 3, which opens into the square recess 31A.
  • the radial bore 28A is aligned with the radial bore 20 of the square 16. It forms a detent recess for the detent ball 22 of the square 16.
  • a radial bore 20A with a detent ball 22A is provided in the square pin 16A.
  • the radial bore 20A is aligned with the radial bore 28 of the socket wrench insert 3.
  • Both detent balls 22 and 22A are pressed radially outwards into the bores 28A and 28 by the cylindrical outer surface on the shaft of the screwdriver 2.
  • the extension piece 46 is locked on the rotating part 10 and the socket wrench insert 3 on the extension piece.
  • the locking is effected in both cases by the screwdriver 2.
  • tapering of the bores 20 and 20A ensures that the screws cannot get out of the transverse bores 20 and 20A into the longitudinal bores 18 and 42, respectively.

Landscapes

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

Claims (6)

  1. Outil à visser muni d'un élément (10) susceptible d'être tourné autour d'un axe de rotation et pourvu d'un tourillon polygonal (16) sur lequel un élément d'outil (3), muni d'un creux complémentaire au tourillon polygonal (16), est susceptible d'être posé, le tourillon polygonal (16) et l'élément d'outil (3) présentant le long de l'axe de rotation des perçages longitudinaux (18,30) continus à travers lesquels un membre de maintien (2) est susceptible d'être introduit, un perçage transversal (20) étant en outre prévu dans le tourillon polygonal (16), perçage qui est relié d'un côté dans le perçage longitudinal (18) et qui débouche de l'autre côté sur le côté extérieur du tourillon polygonal (16), et une bille d'arrêt (22), qui est susceptible d'être arrêtée dans un creux d'arrêt (28) de l'élément d'outil (3), se trouvant dans le perçage transversal (20), caractérisé par le fait que
    (a) le membre de maintien est un autre outil à visser (2) susceptible d'être retiré du perçage longitudinal (18) et susceptible de tourner dans le perçage longitudinal (18), outil à visser a la surface cylindrique de manteau duquel la bille d'arrêt (22) est appliquée avec son côté intérieur et que la bille d'arrêt (22) maintient par ce moyen en prise avec l'élément d'outil (3), et
    (b) le perçage transversal (20) présente à son extrémité intérieure un rétrécissement (24) auquel la bille d'arrêt (22) dans sa position la plus intérieure prend appui et qui empêche la bille d'arrêt (22) de tomber hors du perçage transversal (20) et de tomber dans le perçage longitudinal (18) lorsqu'on retire l'autre outil à visser (2),
    (c) la bille d'arrêt (22) dans cette position la plus intérieure étant complètement pressée hors du creux d'arrêt (28) et compressée dans le perçage transversal (20).
  2. Outil à visser selon la revendication 1, caractérisé par le fait que le perçage transversal (20) se réduit de façon conique à son extrémité intérieure si bien que la bille d'arrêt (22) prend appui avec une surface annulaire à la surface conique intérieure du perçage transversal (20).
  3. Outil à visser selon la revendication 1 ou 2, caractérisé par le fait que l'embouchure du perçage transversal (20) est rabattu au côté extérieur du tourillon polygonal (16) d'une façon empêchant la bille d'arrêt (22) de tomber.
  4. Outil à visser selon l'une des revendications 1 à 3, caractérisé par le fait que
    (a) le tourillon polygonal (16) se trouve à un élément de rotation (10) d'un cliquet (1), élément logé autour de l'axe de rotation dans un élément de tête (9),
    (b) l'élément d'outil est une douille (3) susceptible d'être posée sur le tourillon polygonal (16) et
    (c) l'autre outil à visser est un tournevis (2) muni d'une tige cylindrique adaptée aux dimensions du perçage longitudinal (18) et muni d'un élément de prise (40) profilé.
  5. Outil à visser selon la revendication 4, caractérisé par le fait que le tournevis (2) est un clé male.
  6. Outil à visser selon la revendication 1, caractérisé par le fait que l'élément d'outil posé est une pièce de prolongement (46) qui présente de son part un tourillon polygonal (16a) sur lequel une douille (3) est posée, la pièce de prolongement (46), située à l'élément (10) susceptible d'être tourné, et la douille, située à la pièce de prolongement (46), étant susceptibles d'être arrêtées par chaque fois une bille d'arrêt (22,22a) se trouvant dans des perçages transversaux des tourillons polygonaux (16,16a), et l'autre outil à visser (2) s'étirant à travers des perçages longitudinaux (18,47) s'alignant de l'élément (10) susceptible de tourner et de la pièce de prolongement (46).
EP93108623A 1992-09-01 1993-05-28 Outil de vissage Expired - Lifetime EP0585540B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9211729U 1992-09-01
DE9211729U DE9211729U1 (de) 1992-09-01 1992-09-01 Knarre für Steckschlüsseleinsätze und Schraubendreher

Publications (2)

Publication Number Publication Date
EP0585540A1 EP0585540A1 (fr) 1994-03-09
EP0585540B1 true EP0585540B1 (fr) 1996-01-10

Family

ID=6883272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93108623A Expired - Lifetime EP0585540B1 (fr) 1992-09-01 1993-05-28 Outil de vissage

Country Status (4)

Country Link
US (1) US5343784A (fr)
EP (1) EP0585540B1 (fr)
JP (1) JP3397845B2 (fr)
DE (2) DE9211729U1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5738177A (en) * 1995-07-28 1998-04-14 Black & Decker Inc. Production assembly tool
US6668688B2 (en) * 2001-06-28 2003-12-30 Mayo Foundation Expandable screw apparatus and method thereof
JP2003245862A (ja) * 2002-02-22 2003-09-02 Yamaha Corp ドラム用チューニングキー
DE10242195A1 (de) * 2002-09-10 2004-03-18 Volkswagen Ag Einstellschraube und ein zu deren Betätigung bestimmtes Werkzeug
US6736034B1 (en) * 2002-11-19 2004-05-18 Scott J. E. Gonzales Locking socket wrench device
US20080134843A1 (en) * 2006-11-15 2008-06-12 Smith Timothy J Socket receiver for an adjustable wrench assembly
WO2010007402A1 (fr) * 2008-07-18 2010-01-21 Bae Systems Plc Adaptateur pour clé
JP5002676B2 (ja) 2010-04-28 2012-08-15 富士重工業株式会社 締結工具
US9789592B2 (en) 2014-10-03 2017-10-17 Vcc Structures, Inc. Rotary tool
US10076813B2 (en) * 2016-02-29 2018-09-18 The Boeing Company Apparatuses for coupling threaded fasteners
US11203089B2 (en) * 2018-12-07 2021-12-21 Jr Automation Technologies, Llc Fastening system
JP2024131274A (ja) 2023-03-15 2024-09-30 株式会社Subaru 締付工具及び被締付品の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394623A (en) * 1966-11-28 1968-07-30 Paul N. Kinakin Wrench
DE1976590U (de) * 1967-10-24 1968-01-04 Willy Dillmann Schluessel fuer die schrauben am flansch zwischen gelenkwelle und ausgleichgetriebe bei personenkraftwagen.
DE1914332A1 (de) * 1968-08-02 1970-04-16 Haslemere Cinema Company Ltd Kombiniertes Einstellwerkzeug
US3889558A (en) * 1974-02-19 1975-06-17 Gorden E Duncan Shock absorber nut removing tool
US4165660A (en) * 1977-09-19 1979-08-28 Bunker Ramo Corporation Alignment pin installation tool
US4187747A (en) * 1978-02-21 1980-02-12 Litton Industrial Products, Inc. Quick release mechanism for socket wrench
US4420995A (en) * 1981-06-05 1983-12-20 Roberts Peter M Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools
DE3243389C2 (de) * 1982-11-24 1986-05-15 Wera Werk Hermann Werner Gmbh & Co, 5600 Wuppertal Spannfutter für unrund gestaltete Schaftenden von Werkzeug-Einsatzstücken, insbesondere Schraubendreherbits
US4721022A (en) * 1986-01-27 1988-01-26 Vsi Corporation Wrenching tool
US4733584A (en) * 1986-05-12 1988-03-29 Richard Karge Socket wrench extension
US4781085A (en) * 1987-12-30 1988-11-01 Bayfront Investments, Inc. Locking socket wrench extension
JPH0755855Y2 (ja) * 1988-02-04 1995-12-25 ケーエス・サノヤス株式会社 回転接手部の連結構造

Also Published As

Publication number Publication date
US5343784A (en) 1994-09-06
JPH06155319A (ja) 1994-06-03
DE59301399D1 (de) 1996-02-22
EP0585540A1 (fr) 1994-03-09
JP3397845B2 (ja) 2003-04-21
DE9211729U1 (de) 1992-11-12

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