EP0068206B1 - Elektrisch betriebenes Handarbeitsgerät - Google Patents

Elektrisch betriebenes Handarbeitsgerät Download PDF

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Publication number
EP0068206B1
EP0068206B1 EP82105053A EP82105053A EP0068206B1 EP 0068206 B1 EP0068206 B1 EP 0068206B1 EP 82105053 A EP82105053 A EP 82105053A EP 82105053 A EP82105053 A EP 82105053A EP 0068206 B1 EP0068206 B1 EP 0068206B1
Authority
EP
European Patent Office
Prior art keywords
tool
cylinder
hand tool
bushing
adapter
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
Application number
EP82105053A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0068206A3 (en
EP0068206A2 (de
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/de
Publication of EP0068206A3 publication Critical patent/EP0068206A3/de
Application granted granted Critical
Publication of EP0068206B1 publication Critical patent/EP0068206B1/de
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 oscillating armature motor which can be actuated as a function of the mains frequency and whose oscillating armature, which is pivotably mounted on one side, acts on a part or a tool to be driven.
  • This striking tool is equipped with a submersible anchor that is pivotally suspended on one side and acts directly on a workpiece against the force of a compression spring.
  • the impact strength can be regulated within wide limits by adjusting the stop, but an impact body is not provided, so that the power losses are considerable.
  • this device can only be used as a striking tool.
  • US-A-1 699 519 also shows a hand-held tool which has a mechanically operated impact body which is slidably inserted in a sleeve. Due to the force of springs, the impact body and the tool, on which it acts via an intermediate piece designed as a shaft, are returned to the starting position after each impact.
  • this unwieldy device which is large in its axial extension, can only function with a low impact frequency due to the large number of components that can be moved relative to one another, high power losses can also be accepted.
  • the aim is to ensure that the energy drawn from the drive motor acts directly on the impact body without the intermediary of intermediate links, for example a transmission, so that the power losses are low, and thus high efficiency is achieved with little effort.
  • this is achieved in that an impact body, following the frequency of the armature, is inserted between the part to be driven or the tool, in a cylinder held in a stationary manner in a housing of the device, that an attachment sleeve can be detachably coupled to the cylinder receives a plunger which is displaceable relative to the striking body and acts on the part to be driven or the tool, and that the striking body is supported against the feed movement of the oscillating armature via a return spring on the cylinder.
  • 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. And since the striking body is supported by a return spring on the cylinder receiving it against the feed movement of the vibrating armature, contact with the vibrating armature is always ensured, so that the striking body is accelerated not by striking the vibrating armature but by its feed movement and thus reducing the striking noise are.
  • 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 slidable in two grooves machined diametrically opposite one another in the cylinder and held by means of a semi-circularly bent compression spring supported on them, the spring being guided in a groove machined in the cylinder and axially formed on the ends Directed approaches in bores provided in the clamping pieces are supported on these and for actuating the clamping pieces the sleeve overlapping them on the inner lateral surface with the clamping pieces respectively assigned eccentrically running pressure or inclined surfaces should be provided.
  • 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 plunger, 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 can be moved axially 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 while a clip is being driven in.
  • 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 connecting 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 by 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.
  • the half-shell 11 ' is equipped with fastening eyes 22 into which screws penetrating the other half-shell can be screwed.
  • 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, 30 and 30 ', lines 29 and 30' being connected to power supply line 18 by means of a clamp 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 plunger 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. It is also on the free end of which is fitted with a sleeve 48 in order to avoid damage to the wooden part 4 when the device 1 is placed on it. And in order to hold the nail 2 in the guide bush 44 in a simple manner, this is provided with an annular permanent magnet 47.
  • clamping pieces 35 are used, which are radially displaceable in grooves 34 machined into 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 40.
  • 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 clips, which is connected to the plunger 53 by means of a Tongue 54 can be driven.
  • the plunger 53 is supported on the attachment sleeve 51 by means of a spring 55, and the magazine 56 is also supported on this by means of 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 inserted into a channel 58 by means of a slide 62 and driven in by means of the tongue 54.
  • 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)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP82105053A 1981-07-01 1982-06-09 Elektrisch betriebenes Handarbeitsgerät Expired EP0068206B1 (de)

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 EP0068206A2 (de) 1983-01-05
EP0068206A3 EP0068206A3 (en) 1983-10-12
EP0068206B1 true EP0068206B1 (de) 1987-04-01

Family

ID=6135804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82105053A Expired EP0068206B1 (de) 1981-07-01 1982-06-09 Elektrisch betriebenes Handarbeitsgerät

Country Status (8)

Country Link
US (1) US4511074A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0068206B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5810469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR860000208B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU8513782A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8203827A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3125860C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN156016B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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US4625903A (en) * 1984-07-03 1986-12-02 Sencorp Multiple impact fastener driving tool
US4671443A (en) * 1984-07-03 1987-06-09 Sencorp Replaceable magazine system for a fastener driving tool
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
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
US9015920B2 (en) 1997-07-21 2015-04-28 Newfrey Llc Riveting system and process for forming a riveted joint
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US5927585A (en) * 1997-12-17 1999-07-27 Senco Products, Inc. Electric multiple impact fastener driving tool
WO2000016947A1 (en) * 1998-09-18 2000-03-30 Stanley Fastening Systems, L.P. Multi-stroke fastening device
US6830173B2 (en) 2000-08-25 2004-12-14 Senco Products, Inc. Impact device
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DE10340178B3 (de) * 2003-09-01 2005-04-07 Hilti Ag Elektrowerkzeug
US20050121490A1 (en) * 2003-12-05 2005-06-09 Modern Pioneer Ltd. Nail magazine
US7503401B2 (en) * 2004-04-02 2009-03-17 Black & Decker Inc. Solenoid positioning methodology
US10882172B2 (en) 2004-04-02 2021-01-05 Black & Decker, Inc. Powered hand-held fastening tool
US7138595B2 (en) 2004-04-02 2006-11-21 Black & Decker Inc. Trigger configuration for a power tool
US8123099B2 (en) * 2004-04-02 2012-02-28 Black & Decker Inc. Cam and clutch configuration for a power tool
US7204403B2 (en) * 2004-04-02 2007-04-17 Black & Decker Inc. Activation arm configuration for a power tool
US8011549B2 (en) * 2004-04-02 2011-09-06 Black & Decker Inc. Flywheel configuration for a power tool
US8302833B2 (en) * 2004-04-02 2012-11-06 Black & Decker Inc. Power take off for cordless nailer
US7331403B2 (en) * 2004-04-02 2008-02-19 Black & Decker Inc. Lock-out for activation arm mechanism in a power tool
US7726536B2 (en) * 2004-04-02 2010-06-01 Black & Decker Inc. Upper bumper configuration for a power tool
US7165305B2 (en) * 2004-04-02 2007-01-23 Black & Decker Inc. Activation arm assembly method
US7975893B2 (en) * 2004-04-02 2011-07-12 Black & Decker Inc. Return cord assembly for a power tool
US7322506B2 (en) * 2004-04-02 2008-01-29 Black & Decker Inc. Electric driving tool with driver propelled by flywheel inertia
CA2561960A1 (en) * 2004-04-02 2005-10-20 Black & Decker Inc. Driver configuration for a power tool
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US7686199B2 (en) * 2004-04-02 2010-03-30 Black & Decker Inc. Lower bumper configuration for a power tool
US7971768B2 (en) * 2004-05-04 2011-07-05 Illinois Tool Works Inc. Guidance system for fasteners
US7086575B2 (en) * 2004-07-30 2006-08-08 Kimple David W Magnetically operated driving tool
US6955282B1 (en) * 2004-07-30 2005-10-18 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
CN100553889C (zh) * 2008-06-20 2009-10-28 北京大风时代科技有限责任公司 一种具有杠杆的高速电磁钉枪
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
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Also Published As

Publication number Publication date
US4511074A (en) 1985-04-16
KR840000333A (ko) 1984-02-18
DE3125860C2 (de) 1983-12-15
KR860000208B1 (ko) 1986-03-15
AU8513782A (en) 1983-01-06
BR8203827A (pt) 1983-06-28
DE3125860A1 (de) 1983-01-27
JPS5810469A (ja) 1983-01-21
DE3275914D1 (en) 1987-05-07
EP0068206A3 (en) 1983-10-12
IN156016B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-04-27
EP0068206A2 (de) 1983-01-05

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