EP0068206A2 - Outil à main actionné électriquement - Google Patents

Outil à main actionné électriquement Download PDF

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Publication number
EP0068206A2
EP0068206A2 EP82105053A EP82105053A EP0068206A2 EP 0068206 A2 EP0068206 A2 EP 0068206A2 EP 82105053 A EP82105053 A EP 82105053A EP 82105053 A EP82105053 A EP 82105053A EP 0068206 A2 EP0068206 A2 EP 0068206A2
Authority
EP
European Patent Office
Prior art keywords
hand tool
tool according
cylinder
spring
impact body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82105053A
Other languages
German (de)
English (en)
Other versions
EP0068206B1 (fr
EP0068206A3 (en
Inventor
Ewald Kille
Heinrich Griebel
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.)
J Wagner GmbH
Original Assignee
J Wagner 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 J Wagner GmbH filed Critical J Wagner GmbH
Publication of EP0068206A2 publication Critical patent/EP0068206A2/fr
Publication of EP0068206A3 publication Critical patent/EP0068206A3/de
Application granted granted Critical
Publication of EP0068206B1 publication Critical patent/EP0068206B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/35—Miscellaneous

Definitions

  • the invention relates to an electrically operated manual tool, in particular a nailer, with an axially displaceable striking body which can be actuated by an electric motor.
  • a motor-driven device of this type is known.
  • a rotating electric motor which is connected to the motor-driven part of the striking mechanism via a special type of planetary gear, is used to drive an impact mechanism consisting of an axially movable cylinder and an axially displaceable piston.
  • the construction of this hammer should be kept short compared to other known hand-held power tools, but the construction effort is considerable since the rotating drive movement of the electric motor has to be implemented on the parts of the striking mechanism which move in a sliding manner.
  • the efficiency of such a drive is unfavorable and this takes up a relatively large amount of space, so that this hammer can only be used with difficulty as a hand tool.
  • the electric motor is designed as a known AC oscillating armature motor with an oscillating armature which is pivotably mounted on one side and which acts on the impact body equipped with a low mass with a high impact rate depending on the network frequency, and that the impact body of the Following the frequency of the armature, is inserted in a cylinder held in a stationary manner in a housing of the device, with which an attachment sleeve can be detachably coupled, which receives a plunger which can be displaced by the impact body relative to the latter and acts on a part to be driven in or a tool.
  • the device designed according to the invention is not only economical to manufacture, but it is also insensitive to interference and easy to handle, especially when working overhead.
  • the stroke of the oscillating armature can be adjusted in a simple manner by means of a counter bearing which preferably interacts with its free end and can be inserted adjustably in the housing of the device, for example in the form of a threaded spindle screwed into a nut and provided with a buffer.
  • the clamping pieces are expediently opposite each other in two diametrically machined into the cylinder horizontally arranged grooves to be guided and held by means of a semicircularly curved compression spring supported on the latter, the spring being guided in a groove machined into the cylinder and supported on the ends by means of axially directed projections provided in the clamping pieces in the bores and for this purpose Actuation of the clamping pieces which should encompass this sleeve on the inner lateral surface with the clamping pieces respectively assigned eccentrically running pressure or inclined surfaces.
  • the coupling sleeve which can be coupled to the cylinder, can be used, for example, for nails, rivets or the like.
  • a guide bushing which can be displaced relative to the latter against the force of a spring supported on the tappet, the adjustment movement of which is limited by a stop which interacts with the attachment sleeve.
  • a ring-shaped permanent magnet can be inserted into the guide bush, and this should also be provided at its free end with a sleeve or the like made of elastically deformable material in order to avoid damage to the workpiece to be machined.
  • the plunger can be supported on the attachment sleeve by means of a spring and this can be provided with a laterally projecting magazine for receiving clips, nails or the like, which is axially displaceable against the force of a spring in the attachment sleeve and with a receiving channel is provided, into which a tongue connected to the plunger can be inserted, the tongue remaining in the receiving channel during the insertion of a clip.
  • the attachment sleeve provided with the magazine or the tool can also be inserted into the cylinder in a position-oriented manner, for example by means of a molded polygon, so that an exact assignment is given.
  • the housing of the device preferably in the area of the introduction of the electrical connection line with a suspension device, for example in the form of a molded perforated hook, and to provide the AC oscillating armature motor in the area of the impact body in switch one of the housing shells of the device arranged preferably as a tiltably mounted plate switch on and off.
  • the electrically operated manual tool shown in FIG. 1 and designated 1 for driving nails 2 into the wooden parts 3 and 4 essentially consists of an AC oscillating armature motor 12 used in a two-part housing 11 and a cylinder 31 likewise held in the housing 11, in which an impact body 32 is arranged.
  • the stator 13 of the AC oscillating armature motor 12 is provided with a magnetic coil 14 which can be connected to a power supply via a line 18; in addition, the oscillating armature 15 is held on this by means of an angularly bent leaf spring 17, which can be pivoted about the edge designated 16 by its force and the magnetic field.
  • the individual sheets forming the stator 13 and also the oscillating armature 15 are held together by rivets 19 and 20.
  • a tiltable plate 27 is inserted into the half-shell 11 'in the area of the impact body 32, by means of which a switch (not visible) can be actuated, by means of which the lines 29 and 30 leading to the AC oscillating armature motor 12 can be connected to one another. In operation, the circuit is thus closed via lines 29, 3o and 3o ', lines 29 and 3o' being connected to the power supply line 18 by means of a terminal 28.
  • a nut 23 is inserted into the housing half-shell 11 ', into which a threaded spindle 24 is screwed. And this is equipped with a rubber buffer 26 against which the rocker armature 15 is pressed by the force of a return spring 33.
  • a screwdriver or similar Tool that can be inserted into a slot 25 machined into the threaded spindle 24 can be rotated slightly and thus the stroke of the oscillating armature 15 can be changed.
  • an attachment sleeve 41 in which a plunger 43 and a guide bushing 44 are guided, is connected to the stationary cylinder 31, in which the striking body 32 which can be actuated by the oscillating armature 15 is displaceable counter to the force of the return spring 33 are.
  • the guide bush 44 is slidably inserted in the facing sleeve 41 against the force of a spring 45 which is supported on the tappet 43.
  • the adjustment path of the guide bush 44 which receives the nail 2 to be driven is limited by means of a stop ring 46.
  • a cuff 48 attached to avoid damage to the wooden part 4 when placing the device 1.
  • the latter is provided with an annular permanent magnet 47.
  • clamping pieces 35 are used, which are radially displaceable in grooves 34 machined in the cylinder 31, against the force of a semicircularly curved spring 38 which engages with its angled ends 38 'provided in the clamping pieces 35 bores 4o.
  • the spring 38 is guided in a groove 39 of the cylinder 31.
  • a sleeve 36 is provided which is rotatably arranged on the free end of the cylinder 31 and which is equipped with eccentric pressure surfaces 37. If the sleeve 36 is rotated counterclockwise in the illustration according to FIG. 2, the clamping pieces 35 are displaced inward against the force of the spring 38 by the pressure surfaces 37 attached to the sleeve 36, so that they are inserted into an annular groove machined into the attachment sleeve 44 42 intervene. In this way, since the clamping pieces 35 are pressed against the cylinder 31, the attachment sleeve 41 is firmly connected to the latter.
  • a plunger 53 is inserted into the attachment sleeve 51, designated 51 with an annular groove 52 for receiving the clamping pieces 35, and this is equipped with a magazine 56 for receiving clamps which are connected to the plunger 53 by means of a Tongue 54 can be driven.
  • the plunger 53 is supported by a spring 55 on the attachment sleeve 51, on which the magazine 56 is also supported by a spring 57.
  • the magazine 56 For the non-rotatable mounting of the magazine 56 on the attachment sleeve 51, the latter is equipped with a slot 60, into which a screw 61 protruding from the magazine 56 engages.
  • a polygon 59 is attached to the attachment sleeve 51, which interacts with a polygon formed in the cylinder 31. In this way, the magazine 56 can be inserted into the device 1 in an aligned manner.
  • the staples stored in the magazine 56 are successively introduced into a channel 58 by means of a slide 62 and by means of the Tongue 54 driven. As long as the tongue 54 (FIG. 4) is in the channel 58, it is impossible for a clamp to be pushed in.
  • the plunger 73, on which the striking body 32 acts, is supported on the attachment sleeve 71 by means of a spring 74.
  • the tool 75 since it is driven by the impact body 32 acted upon by the oscillating armature 15 and is pressed back into the starting position by the spring 74, can be carried out in a simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Boring (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP82105053A 1981-07-01 1982-06-09 Outil à main actionné électriquement Expired EP0068206B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3125860 1981-07-01
DE3125860A DE3125860C2 (de) 1981-07-01 1981-07-01 Elektrisch betriebenes Handarbeitsgerät

Publications (3)

Publication Number Publication Date
EP0068206A2 true EP0068206A2 (fr) 1983-01-05
EP0068206A3 EP0068206A3 (en) 1983-10-12
EP0068206B1 EP0068206B1 (fr) 1987-04-01

Family

ID=6135804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82105053A Expired EP0068206B1 (fr) 1981-07-01 1982-06-09 Outil à main actionné électriquement

Country Status (8)

Country Link
US (1) US4511074A (fr)
EP (1) EP0068206B1 (fr)
JP (1) JPS5810469A (fr)
KR (1) KR860000208B1 (fr)
AU (1) AU8513782A (fr)
BR (1) BR8203827A (fr)
DE (2) DE3125860C2 (fr)
IN (1) IN156016B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298501A4 (fr) * 2008-06-20 2012-10-24 Beijing Dafeng Technology Ltd Pistolet à clou électromagnétique haute vitesse avec levier
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics

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US4566621A (en) * 1984-07-03 1986-01-28 Sencorp Means for associating a driver, constituting a part of a replaceable fastener containing magazine, with the driver operating mechanism of a fastener driving tool
US4671443A (en) * 1984-07-03 1987-06-09 Sencorp Replaceable magazine system for a fastener driving tool
US4625903A (en) * 1984-07-03 1986-12-02 Sencorp Multiple impact fastener driving tool
US4619394A (en) * 1984-07-19 1986-10-28 Arrow Fastener Company, Inc. Riveting attachment for a staple gun
DE3442286A1 (de) * 1984-11-20 1986-05-22 J. Wagner Gmbh, 7990 Friedrichshafen Handarbeitsgeraet
US4688710A (en) * 1984-12-07 1987-08-25 Senco Products, Inc. Modular tool having interchangeable handle and magazine units
US4834342A (en) * 1988-05-20 1989-05-30 Edwin Padgett Nail driver
US6276050B1 (en) 1998-07-20 2001-08-21 Emhart Inc. Riveting system and process for forming a riveted joint
US9015920B2 (en) 1997-07-21 2015-04-28 Newfrey Llc Riveting system and process for forming a riveted joint
US5927585A (en) * 1997-12-17 1999-07-27 Senco Products, Inc. Electric multiple impact fastener driving tool
AU751720B2 (en) * 1998-09-18 2002-08-22 Stanley Fastening Systems, L.P. Multi-stroke fastening device
WO2002016085A1 (fr) 2000-08-25 2002-02-28 Barber John P Dispositif a chocs
US7410084B1 (en) * 2001-08-31 2008-08-12 Reed Daniel J Multiple-impact adapter for a hammer tool
US6910263B2 (en) * 2001-12-25 2005-06-28 Newfrey Llc Self-piercing rivet setting apparatus and system
WO2003061869A1 (fr) * 2001-12-27 2003-07-31 Newfrey Llc. Dispositif de rivetage par poinçonnage automatique, et matrice utilisee a cet effet
DE10340178B3 (de) * 2003-09-01 2005-04-07 Hilti Ag Elektrowerkzeug
US20050121490A1 (en) * 2003-12-05 2005-06-09 Modern Pioneer Ltd. Nail magazine
US7331403B2 (en) * 2004-04-02 2008-02-19 Black & Decker Inc. Lock-out for activation arm mechanism in a power tool
US8011549B2 (en) * 2004-04-02 2011-09-06 Black & Decker Inc. Flywheel configuration for a power tool
US10882172B2 (en) 2004-04-02 2021-01-05 Black & Decker, Inc. Powered hand-held fastening tool
US7204403B2 (en) * 2004-04-02 2007-04-17 Black & Decker Inc. Activation arm configuration for a power tool
US8231039B2 (en) * 2004-04-02 2012-07-31 Black & Decker Inc. Structural backbone/motor mount for a power tool
US7686199B2 (en) * 2004-04-02 2010-03-30 Black & Decker Inc. Lower bumper configuration for a power tool
US7975893B2 (en) * 2004-04-02 2011-07-12 Black & Decker Inc. Return cord assembly for a power tool
US7726536B2 (en) * 2004-04-02 2010-06-01 Black & Decker Inc. Upper bumper configuration for a power tool
US8302833B2 (en) 2004-04-02 2012-11-06 Black & Decker Inc. Power take off for cordless nailer
US7165305B2 (en) * 2004-04-02 2007-01-23 Black & Decker Inc. Activation arm assembly method
US7138595B2 (en) 2004-04-02 2006-11-21 Black & Decker Inc. Trigger configuration for a power tool
US20050217416A1 (en) * 2004-04-02 2005-10-06 Alan Berry Overmolded article and method for forming same
US7789169B2 (en) * 2004-04-02 2010-09-07 Black & Decker Inc. Driver configuration for a power tool
US8123099B2 (en) * 2004-04-02 2012-02-28 Black & Decker Inc. Cam and clutch configuration for a power tool
US7503401B2 (en) * 2004-04-02 2009-03-17 Black & Decker Inc. Solenoid positioning methodology
US7322506B2 (en) * 2004-04-02 2008-01-29 Black & Decker Inc. Electric driving tool with driver propelled by flywheel inertia
US7971768B2 (en) * 2004-05-04 2011-07-05 Illinois Tool Works Inc. Guidance system for fasteners
US6955282B1 (en) * 2004-07-30 2005-10-18 Kimple David W Magnetically operated driving tool
US7086575B2 (en) * 2004-07-30 2006-08-08 Kimple David W Magnetically operated driving tool
US20070278276A1 (en) * 2006-06-05 2007-12-06 Wan-Fu Wen Nailing Tool with Displacable Discharge Tube
DE102006035460A1 (de) * 2006-11-27 2008-05-29 Hilti Ag Handgeführtes Eintreibgerät
US7556184B2 (en) * 2007-06-11 2009-07-07 Black & Decker Inc. Profile lifter for a nailer
US7963430B2 (en) * 2008-10-15 2011-06-21 Chervon Limited Nailer device
CN102844154B (zh) * 2010-02-19 2015-09-16 密尔沃基电动工具公司 冲击装置
US9027220B2 (en) 2012-08-07 2015-05-12 Newfrey Llc Rivet setting machine
US20190126454A1 (en) * 2017-10-30 2019-05-02 Martin David John Framing nail gun
US10946547B2 (en) * 2018-12-03 2021-03-16 Apex Mfg. Co., Ltd. Electric striking device
JP7574063B2 (ja) * 2020-11-20 2024-10-28 株式会社マキタ 打撃工具
GB2628084B (en) * 2023-03-07 2025-06-11 De Soutter Medical Ltd Orthopaedic impactor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2298501A4 (fr) * 2008-06-20 2012-10-24 Beijing Dafeng Technology Ltd Pistolet à clou électromagnétique haute vitesse avec levier
US11950677B2 (en) 2019-02-28 2024-04-09 L'oreal Devices and methods for electrostatic application of cosmetics

Also Published As

Publication number Publication date
KR860000208B1 (ko) 1986-03-15
DE3125860C2 (de) 1983-12-15
AU8513782A (en) 1983-01-06
EP0068206B1 (fr) 1987-04-01
JPS5810469A (ja) 1983-01-21
EP0068206A3 (en) 1983-10-12
US4511074A (en) 1985-04-16
KR840000333A (ko) 1984-02-18
DE3125860A1 (de) 1983-01-27
BR8203827A (pt) 1983-06-28
IN156016B (fr) 1985-04-27
DE3275914D1 (en) 1987-05-07

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