EP0693347B1 - Outil d'enfoncement pour des moyens de fixation - Google Patents

Outil d'enfoncement pour des moyens de fixation Download PDF

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Publication number
EP0693347B1
EP0693347B1 EP95109891A EP95109891A EP0693347B1 EP 0693347 B1 EP0693347 B1 EP 0693347B1 EP 95109891 A EP95109891 A EP 95109891A EP 95109891 A EP95109891 A EP 95109891A EP 0693347 B1 EP0693347 B1 EP 0693347B1
Authority
EP
European Patent Office
Prior art keywords
centring
driving
locating
bearing body
elements
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
EP95109891A
Other languages
German (de)
English (en)
Other versions
EP0693347A3 (fr
EP0693347A2 (fr
Inventor
Günter Haas
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.)
Karl M Reich Maschinenfabrik GmbH
Original Assignee
Karl M Reich Maschinenfabrik GmbH
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 Karl M Reich Maschinenfabrik GmbH filed Critical Karl M Reich Maschinenfabrik GmbH
Publication of EP0693347A2 publication Critical patent/EP0693347A2/fr
Publication of EP0693347A3 publication Critical patent/EP0693347A3/fr
Application granted granted Critical
Publication of EP0693347B1 publication Critical patent/EP0693347B1/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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/188—Arrangements at the forward end of the barrel, e.g. splinter guards, spall minimisers, safety arrangements, silencers, bolt retainers

Definitions

  • the invention relates to a driving tool with fasteners according to the preamble of claims 1 and 8.
  • a driving tool for screws according to DE-19 23 712 A1 are the centering elements the centering device for the screws designed as holding jaws are pivotally arranged on a bearing body and for holding the screws Have contact surfaces that are perpendicular or inclined to the swivel plane.
  • Such centering devices are also used for driving tools for nails, pens, etc. known, which are generally referred to below as "fasteners”.
  • Driving tools with a centering element that makes the screw U-shaped encloses on three sides and is radially pivotable, are from the US 3 178 971 and DE 40 37 547 C1 known.
  • the centering elements can yield if a lateral force acts on the fastener. This means that the fastener when screwing in or driving in is not securely held and possibly at an angle into the workpiece penetrates. This is particularly disadvantageous when assembling furniture.
  • the object of the present invention is therefore to create a driving tool type mentioned with a centering device for the fasteners holds and guides them securely during the driving process.
  • the centering elements only move when e.g. for the screw the larger one compared to the shank Head pushes them apart or when using a nail driver Driving plunger pivoted the centering.
  • the invention can be used particularly advantageously in screwing devices which the motor housing with the motor-driven screw-in blade against Effect of a spring slidable against a bearing body for the Centering is arranged.
  • This bearing body can also be used as Be placed foot.
  • the contact surfaces are Centering elements with the contact surfaces projecting, essentially transverse to Provide driving ribs running when screwing into the Engage the thread of the screw.
  • the screw pulls the Bearing body against the spring between the bearing body and the motor housing, so that for the operator has no power to compress the spring.
  • the bearing body is fixed with the motor housing, e.g. connected to a cylinder-piston unit and only the impact ram moves against a foot.
  • the invention applies to both portable and stationary driving tools applicable.
  • the fastening means 2 has a shaft 7 and a head 8 larger diameter.
  • a centering device 9 serves to hold the fastening means 2 before and during the driving-in process. It consists of three identical centering elements 10, which are mounted on the bearing body 3 in a radially pivotable manner.
  • the bearing body 3 is provided with a retaining ring 11 which, as also shown in FIG. 2, has bearing blocks 12.
  • This Bearing blocks 12 are provided with threaded bores 13 into which bolts 14 are screwed, which have journal pins 15 for the centering elements 10 at their protruding end.
  • These centering elements 10 are pressed in the direction of the fastening means 2 by an elastic ring spring 16.
  • the centering element 10 extends from the journal 15 with a leg 17 in Driving direction, it has at its free end a perpendicular to the leg 17th arranged jaws 18 on. This is with one against that Fastening means 2 facing contact surface 19, which is perpendicular to the axis 20-20 of journal 15 runs.
  • the contact surface 19 thus extends parallel to the plane of movement of the centering element 10 and lateral, on the Fastening means 2 acting forces are absorbed by the centering element 10, without giving in. Only the enlarged head 8 of fastening means 2 causes the centering elements 10 to pivot.
  • a run-on slope 21 on the system jaws 18 serves as an introduction the pivoting movement of the centering element 10 through the head 8.
  • the System jaws 18 is also provided with an insertion bevel 22, which Insertion of the fastening means 2 between the contact jaws 18 is facilitated. (Fig.2)
  • the threaded bores 13 are for the screw bolts 14 arranged in the form of an equilateral triangle on the retaining ring 11.
  • the Bolt 14 have slots 23 so that they by means of a Screwdriver can be adjusted so that the centering 10th Different diameters of the shafts 7 perpendicular to their plane of movement of the fasteners 2 can be adjusted.
  • the Bearing body 24 is designed as a foot with which the driving tool on the Workpiece 5 can be placed.
  • a screw-in blade 6 is used for screwing in again of fasteners 2.
  • FIG. 5 to 7 show a further embodiment of the invention, wherein a Bearing body 29 displaceable against the action of a spring 30 on the motor housing 31 is stored.
  • a drivable connected to the motor housing 31 Screw-in blade 6 is used to screw in a first screw 32 'with which one Plasterboard 33 on an underlying workpiece 34 made of wood or steel to be attached.
  • the screw 32 ' is with further screws 32 in known manner attached to a connecting strap 35 made of plastic and leaves come loose from this connecting belt when screwing in.
  • Two centering elements 36 and 37 are provided for guiding the screws 32 ', which is pivotally mounted on the bearing body 29 against the action of leg springs 38 are, the pivot axes 39-39 and 40-40 perpendicular to each other.
  • the contact jaws 41 of the centering element 36 again have a to the pivot plane parallel contact surface 42 (see Fig. 7), on the contact jaws 43 of Centering element 37 are also contact surfaces parallel to its pivot plane 44 provided.
  • the contact jaws 43 have the Contact surfaces 44 projecting, essentially transversely to the driving direction extending ribs 45, which when screwing the screw 32 'in the Engage thread 46. This turns the rotating screw one Feed movement is forced, the bearing body 29 against Effect of the spring 30 is pulled against the motor housing 31 and being used change the head 47 of the screw 32 'after reaching the connecting belt 35 triggers from this.
  • the contact jaws 41 are provided with a pocket 50 into which Rest position of the jaws 43 engages.
  • the chamfer 48 from As seen in the screw-in direction, contact jaws 41 are in front of the bevel 49 of System jaws 43 arranged.
  • System jaws 41 are pivoted outwards by the screw head 47 and are there the jaws 43 free, which then also to the outside is pivoted.
  • the screw 32 'until the solid is reached Workpiece 34 made of wood or steel safely guided by the contact jaws 41 and 43.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Slide Fasteners (AREA)
  • Air Bags (AREA)
  • Stored Programmes (AREA)

Claims (11)

  1. Outil d' enfoncement pour des moyens de fixation (2), comprenant un corps de coussinet (3), disposé contre le carter du moteur (1), auquel corps de coussinet est assemblé un dispositif de centrage (10, 11, 12) comprenant des éléments de centrage (10, 26) pour les moyens de fixation (2), les éléments de centrage (10, 26) comportant chacun une surface de contact (19, 28) qui, dans une position de travail de chaque élément de centrage, agit conjointement avec le moyen de fixation (2) et s'étend parallèlement au sens longitudinal dudit moyen de fixation, les éléments de centrage (10, 26) étant disposés au niveau du corps de coussinet (3) de manière à pouvoir se déplacer, pour quitter la position de travail, à l'encontre de l'action d'un élément flexible (16, 27), et les éléments de centrage (10, 26) comportant une surface inclinée de butée (21) pour une tête (8) du moyen de fixation (2), caractérisé en ce que les éléments de centrage (10, 26) sont logés chacun de telle sorte que la surface de contact (19, 28) correspondante, entrainée par le mouvement de l'élément de centrage (10, 26), peut se déplacer sensiblement dans son plan.
  2. Outil d'enfoncement selon la revendication 1, caractérisé en ce que les surfaces de contact (19, 28, 42, 44) et les surfaces inclinées de butée (31, 48, 49) sont prévues sur les mâchoires de serrage (18, 41, 43) des éléments de centrage (10, 36, 37).
  3. Outil d'enfoncement selon la revendication 1 ou 2, caractérisé en ce que les éléments de centrage (10, 36, 37) sont montés au niveau du corps de coussinet (3, 29) de manière à pouvoir pivoter autour d'un axe de pivotement (20, 39, 40) à l'encontre de l'action d'un ressort (16, 38).
  4. Outil d'enfoncement selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les éléments de centrage (10, 36, 37) sont fixés contre le corps de coussinet (3, 29) de manière à pouvoir être ajustés dans leur plan de déplacement.
  5. Outil d'enfoncement selon la revendication 4, caractérisé en ce qu'un boulon fileté (14) destiné à l'élément de centrage (10) est fixé de manière à pouvoir être vissé dans le corps de coussinet (3).
  6. Outil d'enfoncement selon la revendication 1 ou 2, caractérisé en ce que les éléments de centrage (26) sont montés contre le corps de coussinet (24) de manière à pouvoir se déplacer.
  7. Outil d'enfoncement selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il est prévu de monter trois éléments de centrage (10, 26), dont les surfaces de contact (19, 28) forment un triangle équilatéral.
  8. Outil d'enfoncement pour des moyens de fixation (32'), comprenant un corps de coussinet (29), disposé contre le carter du moteur (31), auquel corps de coussinet est assemblé un dispositif de centrage comprenant des éléments de centrage (36, 37) pour les moyens de fixation (32'), les éléments de centrage (36, 37) comportant chacun une surface de contact (42, 44) qui, dans une position de travail de chaque élément de centrage, agit conjointement avec le moyen de fixation (32') et s'étend parallèlement au sens longitudinal dudit moyen de fixation, les éléments de centrage (36, 37) étant disposés au niveau du corps de coussinet (29) de manière à pouvoir se déplacer, pour quitter la position de travail, à l'encontre de l'action d'un élément flexible (38), et les éléments de centrage (36, 37) comportant une surface inclinée de butée (48, 49) pour une tête du moyen de fixation (32'), caractérisé en ce qu'il est prévu de monter un premier élément de centrage (36) comprenant une première mâchoire de serrage (41) et un deuxième élément de centrage (37) comprenant une deuxième mâchoire de serrage (43), qui sont montés au niveau du corps de coussinet (29) sur des axes de pivotement (39, 40) perpendiculaires l'un à l'autre, la surface de contact (42), entraínée par le mouvement de pivotement du premier élément de centrage (36), pouvant se déplacer sensiblement dans son plan, en ce que la première mâchoire de serrage (41) est munie d'une poche (50), dans laquelle s'engage la deuxième mâchoire de serrage (43), lorsque lesdites mâchoires de serrage se trouvent dans leur position de travail, de manière à empêcher le mouvement de pivotement du deuxième élément de centrage (37), et en ce que, considérée en direction du carter du moteur (31), la surface inclinée de butée (48) de la première mâchoire de serrage (41) est disposée au-dessus de la surface inclinée de butée (49) de la deuxième mâchoire de serrage (43).
  9. Outil d'enfoncement selon l'une quelconque des revendications 2 à 8, caractérisé en ce que les mâchoires de serrage (18) sont munies d'au moins un élément de centrage (10) comprenant une surface inclinée de guidage (22) pour le moyen de fixation (2).
  10. Outil d'enfoncement selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les éléments de centrage (36, 37) sont munis de nervures (45) en saillie sur les surfaces de contact (42, 44), qui s'engagent dans le filet (46) de la vis (32').
  11. Outil d'enfoncement selon la revendication 10, caractérisé en ce que les nervures (45) sont disposées sensiblement transversalement au sens d'enfoncement.
EP95109891A 1994-06-29 1995-06-24 Outil d'enfoncement pour des moyens de fixation Expired - Lifetime EP0693347B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4422725 1994-06-29
DE4422725A DE4422725A1 (de) 1994-06-29 1994-06-29 Eintreibgerät für Befestigungsmittel

Publications (3)

Publication Number Publication Date
EP0693347A2 EP0693347A2 (fr) 1996-01-24
EP0693347A3 EP0693347A3 (fr) 1996-03-20
EP0693347B1 true EP0693347B1 (fr) 1998-08-19

Family

ID=6521791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95109891A Expired - Lifetime EP0693347B1 (fr) 1994-06-29 1995-06-24 Outil d'enfoncement pour des moyens de fixation

Country Status (6)

Country Link
US (1) US5671642A (fr)
EP (1) EP0693347B1 (fr)
JP (1) JPH0847866A (fr)
AT (1) ATE169851T1 (fr)
CA (1) CA2152646C (fr)
DE (2) DE4422725A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9810746D0 (en) * 1998-05-19 1998-07-15 Multi Automation Limited Fastening apparatus
US6314845B1 (en) * 2000-02-24 2001-11-13 Shu Te Wu Clamp for screwed fastening member
US20090038447A1 (en) * 2007-08-09 2009-02-12 Eastway Fair Company Limited Screw guide and method of operation thereof
US8047100B2 (en) 2008-02-15 2011-11-01 Black & Decker Inc. Tool assembly having telescoping fastener support
CN101767278B (zh) * 2008-12-29 2012-01-25 鸿富锦精密工业（深圳）有限公司 导正装置
US8302513B2 (en) * 2009-03-05 2012-11-06 Techtronic Power Tools Technology Limited Screw guide
CN102069480B (zh) * 2009-11-21 2012-10-10 南京德朔实业有限公司 一种动力榔头
EP2929985A1 (fr) * 2014-04-09 2015-10-14 HILTI Aktiengesellschaft Procédé de fonctionnement d'un appareil de pose manuel ou semi-fixe et appareil correspondant
LU101704B1 (de) * 2020-03-25 2021-09-27 Bhk Holz U Kunststoff Kg H Kottmann Einbringvorrichtung zum Einbringen eines Befestigungsmittels in ein Werkstück

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1977323A (en) * 1930-05-10 1934-10-16 John C Morgan Attachment for screw drivers
DE1403402A1 (de) * 1957-09-14 1968-10-24 Hoefliger & Karg Schrauber mit kraftangetriebener Schraubenzieherklinge
US3178971A (en) * 1963-09-27 1965-04-20 Chicago Specialty Mfg Co Socket wrench
DE1603946B1 (de) * 1967-04-07 1971-07-01 Reich Maschf Gmbh Karl Einschlaggeraet fuer in einem Magazinstreifen zugefuehrte Befestigungsmittel
US3547169A (en) * 1968-11-29 1970-12-15 Ingersoll Rand Co Jaw lock for automatic screwdriver
US3730237A (en) * 1971-07-23 1973-05-01 W Hanzlik Screw-supporting attachment for the shank of a screw driver tool
US3973605A (en) * 1975-09-16 1976-08-10 Textron, Inc. Driving tool barrel assembly
ZA871322B (en) * 1987-02-24 1987-10-28 Alexander Else Frederick Screw holder
JP3041001B2 (ja) * 1989-08-25 2000-05-15 勝行 戸津 自動ねじ締め装置
US5088359A (en) * 1990-07-10 1992-02-18 Clyde Corporation Fastener nose piece feeder
DE4037547C1 (fr) * 1990-11-26 1992-01-23 Sfs Stadler Holding Ag, Heerbrugg, Ch

Also Published As

Publication number Publication date
ATE169851T1 (de) 1998-09-15
DE4422725A1 (de) 1996-01-04
CA2152646A1 (fr) 1995-12-30
DE59503241D1 (de) 1998-09-24
EP0693347A3 (fr) 1996-03-20
CA2152646C (fr) 1999-02-16
JPH0847866A (ja) 1996-02-20
EP0693347A2 (fr) 1996-01-24
US5671642A (en) 1997-09-30

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