EP1567308B1 - Elektrohandwerkzeugmaschine - Google Patents

Elektrohandwerkzeugmaschine Download PDF

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Publication number
EP1567308B1
EP1567308B1 EP03811719A EP03811719A EP1567308B1 EP 1567308 B1 EP1567308 B1 EP 1567308B1 EP 03811719 A EP03811719 A EP 03811719A EP 03811719 A EP03811719 A EP 03811719A EP 1567308 B1 EP1567308 B1 EP 1567308B1
Authority
EP
European Patent Office
Prior art keywords
housing
lamp housing
angle
lamp
electric power
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
EP03811719A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1567308A1 (de
Inventor
Helmut Wanek
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1567308A1 publication Critical patent/EP1567308A1/de
Application granted granted Critical
Publication of EP1567308B1 publication Critical patent/EP1567308B1/de
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
    • B25B23/18—Devices for illuminating the head of the screw or the nut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/021—Construction of casings, bodies or handles with guiding devices

Definitions

  • the invention is based on an electric hand tool according to the preamble of claim 1.
  • the electric power tool of the invention with the features of claim 1 has the advantage that the light is always adjustable to the changed position of the working tool relative to the machine housing by the rotatability of the arranged at the working end of the machine housing lighting device, so that in each working position of the angle working head the workplace lit maximally can be. This creates sufficient visibility for the installer even in hard to reach, narrow places.
  • the lighting device is associated with the working positions of the angle working head matching, discrete rotational positions.
  • This structural measure has the advantage that in each working position of the angle working head automatically optimal illumination of the job is guaranteed, which requires no correction.
  • the lighting device has a slipped onto the machine housing, hollow cylindrical lamp housing and a light source, which is accommodated in a lamp housing formed in the lamp housing, the shaft axis is aligned at an acute angle to the housing axis and the shaft opening facing the angle working head.
  • the discrete rotational positions of the lighting device are realized by corresponding rotation of the lamp housing on the machine housing, wherein according to an advantageous embodiment of the invention in each rotational position the lamp housing between the inner wall of the lamp housing and the outer wall of the machine housing is positive engagement.
  • the lamp housing is composed of two, preferably mirror-symmetrically designed housing shells which lie against one another along a plane extending through the housing axis.
  • the positive engagement is realized by at least two mutually corresponding, each formed on the inner wall of the lamp housing and on the outer wall of the machine housing multi-edge, wherein the number of edges of the multiple edge corresponds to the number of possible working positions of the angle working head.
  • the multi-edge are each designed as an octagon, resulting in a total of eight rotational positions of the lamp housing, of which one of a working position of the angle working head is permanently assigned.
  • the two housing shells are held together by clamping means. By loosening the clamping means, the lamp housing can be placed on the polygon of the machine housing. After setting the desired rotational position, the two housing shells are connected again by the clamping means.
  • the angle wrench shown in Fig. 1 in part and partially shown as an example of a general electric hand tool with an adjustable angle working head has a machine housing 10, which has a receptacle 11 for a Winkeischraubkopf 12 at its remote from a handle for holding the angle wrench working end.
  • the partially protruding from the machine housing 10 receptacle 11 is inserted with its remote from the Winkelschraubkopf 12, the rear end in the machine housing 10 and screwed into this.
  • the receptacle 11 has a plurality of frontally, in the exemplary embodiment four, pressed-in cylindrical pins 13, and the Winkelschraubkopf 12 has at its the cylinder pins 13 facing front end circumferentially offset recesses 14 (in the embodiment, a total of eight), in the attached Winkelschraubkopf 12, the cylindrical pins thirteenth engage axially and positively.
  • Cylindrical pins 13 and recesses 14 are each equidistant over arranged distributed around the circumference, wherein the rotational angular distance of the cylindrical pins 13 from each other twice the angular distance of the recesses 14 corresponds to each other, so that in each case four cylinder pins 13 engage in four of the total of eight recesses 14 in the Winkelschraubkopf 12.
  • Winkelschraubkopfs 12 of the cylinder pins 13 After subtracting the Winkelschraubkopfs 12 of the cylinder pins 13, this can in each case a rotation angle corresponding to the distance between two recesses 14 from each other, ie in the exemplary embodiment by 45 °, rotated and pushed with its recesses 14 back to the cylinder pins 13.
  • the Winkelschraubkopf 12 can be arranged offset in eight rotational positions relative to the housing axis 101 of the machine housing 10, so that the angle wrench with unchanged position of the machine housing 10 has a total of eight different working positions for the screwing. Each screw position is offset from the other by 45 ° rotation angle.
  • a union nut 15 is provided, which is screwed onto an external thread of the receptacle 11.
  • Winkelschraubkopf 12 consisting of two intermeshing bevel gears existing angle gear 16 is arranged, of which the one bevel gear 17 on a drive shaft 18 and the other bevel gear 19 is rotatably seated on a drive shaft 18 at right angles aligned output shaft 20.
  • Drive shaft 18 and output shaft 20 are rotatably mounted in Winkelschraubkopf 12.
  • the drive shaft 18 is driven by a not shown here, recorded in the machine housing 10 electric motor with the interposition of a transmission gear and a torque limiter. With the output shaft 20, a chuck 21 for receiving a screwing is rotatably connected.
  • the angle wrench has an illumination device 22 for illuminating the screw point during a screwing operation.
  • the lighting device 22 comprises a hollow cylindrical lamp housing 23, in a lamp shaft 231 is formed, and a light source in the form of an LED 24, which is inserted into the lamp shaft 231 and a power cable 33 to a power source, for. B. the battery of the designed as a screwdriver angle wrench is connected.
  • the lamp housing 23 is placed on the working end of the machine housing 10 and clamped so that it is not removable axially.
  • the lamp shaft 231 is formed on one side of the lamp housing 23, that the shaft axis 231 a at an acute angle to the housing axis 101 of the machine housing 10 (and the axis of the coaxially arranged lamp housing 23) extends and the shaft opening 231 b, from which the light the LED 24 exits, the Winkelschraubkopf 12 points.
  • the lamp housing 23 is adjustable on the machine housing 10 in discrete rotational positions, wherein each one rotational position coincides with one of the working positions of the Winkelschraubkopfs 12.
  • the discrete rotational positions are in each case predetermined by positive engagement between the machine housing 10 and the lamp housing 23.
  • the lamp housing 23 shown in various views and sections in FIGS. 2 to 7 is composed of two preferably made of plastic housing shells 25, 26 which abut one another along a plane passing through the housing axis 101 of the machine housing 10 (FIGS. 4 and 5).
  • each housing shell 25, 26 of the lamp shaft 231 is formed half each.
  • an octagon 27 (FIGS. 3 and 6) is formed, which with a same, in FIG. 1 indicated octagon 34 on the outer wall of the machine housing 10 corresponds.
  • the octagon 27 and corresponding to the octagon 34 of the machine housing 10 have only a small axial depth or width.
  • the octagon 27 is formed in each half in the housing shell 25 and in the housing shell 26.
  • the two housing shells 25, 26 After placing the two housing shells 25, 26 on the machine housing 10, the two housing shells 25, 26 releasably connected to each other by clamping means.
  • clamping means in the exemplary embodiment a snap ring 28 and a preferably made of plastic clips ring 29 are provided, which enclose the two housing shells 25, 26.
  • FIG. 1 while the snap ring 28 is inserted in an arranged on the remote from the Winkelschraubkopf 12, rear end of the lamp housing 23 annular groove 30 while the clip ring 29 on one on the other, the Winkelschraubkopf 12 facing the end of the lamp housing 23 frontally molded axially projecting annular ridge 31 is clipped.
  • the lamp shaft 231 is located with the LED 24 in the lower region of the machine housing 10, so that arranged in the housing shaft 231.
  • LED 24 automatically illuminates an inserted into the chuck 21 of the Winkelschraubkopfs 12 screwing. If the Winkelschraubkopf 12 pivoted with unchanged orientation of the machine housing 10 to the housing axis 101 of the machine housing 10, for which after the above executed the union nut 15 solved, the Winkelschraubkopf 12 pivoted about the housing axis 101 of the machine housing 10 and the nut 15 must be screwed again, so then the lamp housing 23 must be rotated by the same angle of rotation.
  • octagon 32 formed with a small axial depth, which corresponds to a formed on the same position on the outer wall of the machine housing 10 octagon 35 (Fig. This has the advantage that the lamp housing 23 is clamped at the front and rear end evenly on each octagon 34, 35 on the machine housing 10.
  • the embodiment of the positive connection between the machine housing 10 and the lamp housing 23 depends on the number of possible working positions of the Winkelschraubkopfs 12. If this example only four offset by 90 ° working positions, the positive engagement by mutually corresponding Vierkante on the outer wall of the machine housing 10 and Interior wall of the lamp housing 23 realized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP03811719A 2002-11-25 2003-07-11 Elektrohandwerkzeugmaschine Expired - Lifetime EP1567308B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2002154829 DE10254829A1 (de) 2002-11-25 2002-11-25 Elektrohandwerkzeugmaschine
DE10254829 2002-11-25
PCT/DE2003/002340 WO2004048045A1 (de) 2002-11-25 2003-07-11 Elektrohandwerkzeugmaschine

Publications (2)

Publication Number Publication Date
EP1567308A1 EP1567308A1 (de) 2005-08-31
EP1567308B1 true EP1567308B1 (de) 2007-05-23

Family

ID=32240363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03811719A Expired - Lifetime EP1567308B1 (de) 2002-11-25 2003-07-11 Elektrohandwerkzeugmaschine

Country Status (5)

Country Link
EP (1) EP1567308B1 (ja)
JP (1) JP2006507134A (ja)
CN (1) CN100415454C (ja)
DE (2) DE10254829A1 (ja)
WO (1) WO2004048045A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061870A1 (de) * 2005-12-23 2007-07-05 Robert Bosch Gmbh Handwerkzeugmaschine
DE102006040647A1 (de) * 2006-08-30 2008-03-13 Robert Bosch Gmbh Handwerkzeugmaschine
DE102006045157B4 (de) 2006-09-25 2020-06-18 Robert Bosch Gmbh Handwerkzeugmaschine
JP2009214238A (ja) * 2008-03-11 2009-09-24 Makita Corp 電動工具
JP5229538B2 (ja) * 2008-03-31 2013-07-03 日立工機株式会社 携帯用切断工具
DE102008042426A1 (de) 2008-09-29 2010-04-01 Robert Bosch Gmbh Handwerkzeugmaschine
DE102009018589A1 (de) * 2009-04-23 2011-01-05 Metabowerke Gmbh Handgeführtes Elektrowerkzeug
JP2013059820A (ja) * 2011-09-12 2013-04-04 Makita Corp 電動工具
JP5472411B2 (ja) * 2012-09-14 2014-04-16 日立工機株式会社 電動工具
DE102015219570A1 (de) * 2015-10-09 2017-04-13 Robert Bosch Gmbh Werkzeug mit universalschnittstelle für eine abtriebsschnittstelle
WO2018228825A1 (en) * 2017-06-12 2018-12-20 Atlas Copco Industrial Technique Ab Power wrench with angle drive

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8529779U1 (de) * 1985-10-19 1985-12-05 Gander, Bernhard, 7515 Linkenheim-Hochstetten Elektrowerkzeug
CN2083531U (zh) * 1990-12-18 1991-08-28 宋志华 带旋转照明装置的螺丝起子
DE4113951C1 (ja) * 1991-04-29 1992-11-26 C. & E. Fein Gmbh & Co, 7000 Stuttgart, De
CA2337203A1 (en) * 1997-07-10 1999-01-21 Avos Developments Limited Illumination for power tools

Also Published As

Publication number Publication date
JP2006507134A (ja) 2006-03-02
DE10254829A1 (de) 2004-06-03
WO2004048045A1 (de) 2004-06-10
EP1567308A1 (de) 2005-08-31
CN1700972A (zh) 2005-11-23
DE50307343D1 (de) 2007-07-05
CN100415454C (zh) 2008-09-03

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