EP1497081B1 - Handwerkzeugmaschine mit spindelstop - Google Patents

Handwerkzeugmaschine mit spindelstop Download PDF

Info

Publication number
EP1497081B1
EP1497081B1 EP02774318A EP02774318A EP1497081B1 EP 1497081 B1 EP1497081 B1 EP 1497081B1 EP 02774318 A EP02774318 A EP 02774318A EP 02774318 A EP02774318 A EP 02774318A EP 1497081 B1 EP1497081 B1 EP 1497081B1
Authority
EP
European Patent Office
Prior art keywords
machine tool
hand
stop pin
housing
operated machine
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.)
Revoked
Application number
EP02774318A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1497081A1 (de
Inventor
Andreas Wolf
Sinisa Andrasic
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7964882&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1497081(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1497081A1 publication Critical patent/EP1497081A1/de
Application granted granted Critical
Publication of EP1497081B1 publication Critical patent/EP1497081B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • B27B5/38—Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/022—Spindle-locking devices, e.g. for mounting or removing the tool
    • 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
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/598—Transversely sliding pin

Definitions

  • the present invention is based on a handheld power tool with spindle stop according to the preamble of claim 1.
  • An example of such a handheld power tool is shown in DE-A-2816398.
  • the well-known hand tool machines with spindle stop include angle grinders and circular saws. In these machines, the output shaft must be prevented from rotating for tool change so that the respective locking screw holding the saw blade or the grinding wheel on the output shaft can be released.
  • the Spindelstop supplements takes on the torque occurring when loosening the nut.
  • spindle stop usually serve cylindrical locking pin, which are displaced in the longitudinal direction and thereby engage positively with its end in a rotatably coupled to the output shaft part or directly into the output shaft.
  • the locking pins pass longitudinally displaceably mounted the housing of the power tool.
  • the housing is subject to high wear in the passage region of the locking bolt, for example by operating the spindle stop when the output shaft is running or when the release torque of the saw blades or the grinding wheels is excessively high.
  • the guide bush to the longitudinal guidance of the locking pin in the transmission housing can solve and expand. As a result, along the locking pin gear grease off or dust occur, so that the outside of the housing dirty and the moving parts are insufficiently lubricated inside the housing due to lack of fat.
  • the locking pin carries approximately centrally an O-ring in an annular groove, the tightness between the through hole or sliding guide and the locking pin is secured even at maximum load of the locking pin during operation of the spindle stop.
  • the locking pin carries a collar-like, radial widening in front of his form-fit tangible in the output shaft area, which rests in the rest position of the locking pin frontally on the wall of the transmission housing, an axial seal is provided, the outlet of lubricant to the outside of the housing prevented.
  • the spindle stop is easy to install and disassemble and easy to operate.
  • the locking pin carries a spring between the serving as a key cap and the portion of the stepped bore with the larger diameter, the locking pin is reliably held in its rest position and the collar-like widening in abutment against the inner wall of the housing in its sealing position.
  • the neck of the locking pin has a locking groove and serving as a key cap has an inner locking cylinder
  • the mounting of the cap on the locking pin is particularly simple and robust.
  • FIG. 1 shows a partial longitudinal section of a hand tool machine designed as an angle grinder 10.
  • a housing 12 carries an electric motor 14 with a motor shaft 16, an angle gear 18 in its front region.
  • the angle gear 18 consists of a grinding spindle 20, which with its free end down from the housing 12 protrudes. This is a unspecified thread arranged on a nut 24 is screwed, which has a previously with her unspecified bore over the free end 19 of the grinding spindle set grinding wheel 22 holds.
  • the grinding wheel 22 is clamped axially between a collar 23 of the output shaft 20 and the nut 24.
  • the angle gear 18 consists of a small bevel pinion 28 which is rotatably disposed at the end of the motor shaft 16 and a large bevel gear 30.
  • the bevel pinion 28 engages in the bevel gear 30 which is rotatably fixed to the output shaft 20.
  • the bevel gear 30 has on its upper side at least one recesses 32 into which a locking pin 36 fits, which belongs to a spindle stop 34.
  • the locking pin 36 is mounted longitudinally displaceable in a sliding guide 35 by passing through the wall of the housing 12 projecting outwardly, wherein it projects with a larger area into the interior of the housing 12.
  • the sliding guide 35 is designed as a stepped bore 37, whose larger diameter is turned outward and whose smaller diameter surrounds the circumference of the cylindrical locking pin 36 sealingly.
  • the locking pin 36 has at its lower end 38 a pin 39 for engagement in one of the recesses 32 of the bevel gear 30th
  • the pin 39 has a smaller diameter than the remaining area of the locking pin 36.
  • a radially projecting, disc-like sealing collar 40 connects. This is axially against the inner wall of the housing 12 and thus engages over the mouth of the sliding guide 35 and the stepped bore 37th
  • the locking pin 36 carries approximately centrally an annular groove 41, in which an O-ring 43 is inserted. This is sealingly between the locking pin 36 and the sliding guide 35 and prevents even with heavy use of the pin 39 during engagement in the recess 32 upon actuation of the spindle stop 34, a leakage of lubricant from the housing 12. Thus, a reliable seal between the sliding guide 35 and the locking pin 36 is reached.
  • the locking pin 36 has an actuating stroke for activating the spindle stop 34 of about 5 mm and then engages with its pin 39 completely in one of the recesses 32 of the bevel gear 30 a.
  • the diameter-length ratio of the locking pin is between 1.8 and 1.3. As a result, the radial surface pressure and the load of the housing 12 in the region of the sliding guide 35 are lower compared to conventional spindle stops.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Transmission Devices (AREA)
  • Portable Power Tools In General (AREA)
  • Sawing (AREA)
EP02774318A 2001-12-06 2002-09-10 Handwerkzeugmaschine mit spindelstop Revoked EP1497081B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20119835U DE20119835U1 (de) 2001-12-06 2001-12-06 Handwerkzeugmaschine mit Spindelstop
DE20119835U 2001-12-06
PCT/DE2002/003358 WO2003049907A1 (de) 2001-12-06 2002-09-10 Handwerkzeugmaschine mit spindelstop

Publications (2)

Publication Number Publication Date
EP1497081A1 EP1497081A1 (de) 2005-01-19
EP1497081B1 true EP1497081B1 (de) 2006-08-16

Family

ID=7964882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02774318A Revoked EP1497081B1 (de) 2001-12-06 2002-09-10 Handwerkzeugmaschine mit spindelstop

Country Status (6)

Country Link
US (1) US7052384B2 (zh)
EP (1) EP1497081B1 (zh)
JP (1) JP2005511332A (zh)
CN (1) CN100421881C (zh)
DE (2) DE20119835U1 (zh)
WO (1) WO2003049907A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10360372B3 (de) * 2003-12-22 2005-06-09 Hilti Ag Werkzeugaufnahmeanordnung
US7179156B2 (en) * 2005-03-23 2007-02-20 Gison Machinery Co., Ltd. Grinder with easily installable/detachable grinding disc and a linkage effect
US8087977B2 (en) 2005-05-13 2012-01-03 Black & Decker Inc. Angle grinder
DE102006001986A1 (de) * 2006-01-16 2007-07-19 Robert Bosch Gmbh Spannvorrichtung zum lösbaren Befestigen eines scheibenförmigen Werkzeugs
SE529929C2 (sv) * 2006-05-09 2008-01-08 Atlas Copco Tools Ab Portabelt verktyg med en frihjulslåsning av drivaxeln
US20110039482A1 (en) * 2009-07-29 2011-02-17 Terry Timmons Grinder
DE102010043182A1 (de) * 2010-10-29 2012-05-03 Robert Bosch Gmbh Tragbare Werkzeugmaschine
JP2013169623A (ja) * 2012-02-21 2013-09-02 Makita Corp 作業工具
DE102012210014A1 (de) * 2012-06-14 2013-12-19 Schaeffler Technologies AG & Co. KG Arretiervorrichtung für ein Getriebe, insbesondere für ein Kraftfahrzeuggetriebe
US9314896B2 (en) * 2012-07-03 2016-04-19 Atlas Copco Industrial Technique Ab Power tool
DE102014216441A1 (de) * 2014-08-19 2016-02-25 Robert Bosch Gmbh Handwerkzeugmaschine
KR101578730B1 (ko) * 2014-09-22 2015-12-21 계양전기 주식회사 그라인더 휠 잠금장치
US10682714B2 (en) * 2016-08-31 2020-06-16 Robert Bosch Tool Corporation Oscillating interface for an oscillating power tool
EP3300835B1 (en) * 2016-09-29 2021-05-12 Black & Decker Inc. Accessory clamp and spindle lock mechanism for power tool lock
CN207189852U (zh) 2017-06-05 2018-04-06 米沃奇电动工具公司 台锯
US10818450B2 (en) 2017-06-14 2020-10-27 Black & Decker Inc. Paddle switch
CN111295271B (zh) * 2017-10-31 2022-04-05 工机控股株式会社 动力工具

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816398A1 (de) * 1978-04-15 1979-10-25 Licentia Gmbh Winkelschleifer mit einer spannvorrichtung fuer die schleifscheibe in form eines spann- und druckflansches
US4179632A (en) * 1978-12-06 1979-12-18 The Singer Company Spindle locking mechanism for a rotary power device
DE3120899C2 (de) * 1981-05-26 1983-10-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Arretiervorrichtung für die Antriebsspindel von Winkelschleifern
US4467896A (en) * 1983-06-17 1984-08-28 Black & Decker Inc. Locking mechanism for a rotary power machine
ES2066512T3 (es) * 1991-07-05 1995-03-01 Fein C & E Maquina herramienta portatil.
US5464365A (en) * 1991-09-21 1995-11-07 Robert Bosch Gmbh Motor-driven hand-held machine tool
DE4424022A1 (de) * 1994-07-08 1996-01-18 Metabowerke Kg Arretiervorrichtung für die Antriebsspindel von Handwerkzeugmaschinen
DE20000223U1 (de) * 2000-01-10 2001-05-23 Robert Bosch Gmbh, 70469 Stuttgart Winkelschleifer mit Elektroantrieb
US6702090B2 (en) * 2001-03-14 2004-03-09 Milwaukee Electric Tool Corporation Power tool and spindle lock system

Also Published As

Publication number Publication date
WO2003049907A1 (de) 2003-06-19
CN1484570A (zh) 2004-03-24
EP1497081A1 (de) 2005-01-19
US20040069513A1 (en) 2004-04-15
CN100421881C (zh) 2008-10-01
DE50207890D1 (de) 2006-09-28
US7052384B2 (en) 2006-05-30
JP2005511332A (ja) 2005-04-28
DE20119835U1 (de) 2003-04-10

Similar Documents

Publication Publication Date Title
EP1497081B1 (de) Handwerkzeugmaschine mit spindelstop
EP0152564B1 (de) Werkzeugbefestigung
DE69117476T3 (de) Tragbares rotierendes Werkzeug
EP1618990B1 (de) Handwerkzeugmaschine, insbesondere Winkelschleifer
DE69820457T2 (de) Ergonomisch-freundlicher aufbau für exzenterschleifer
DE2825022C2 (zh)
EP0906175B1 (de) Handwerkzeugmaschine
EP0336930B1 (de) Spanneinrichtung zum lösbaren befestigen eines werkzeuges, insbesondere einer scheibe
EP0330672A1 (de) Spanneinrichtung zum axialen festspannen eines werkzeuges, insbesondere einer scheibe.
EP0253181A2 (de) Befestigungseinrichtung für scheibenförmige Werkzeuge an der Werkzeugspindel einer tragbaren Elektrowerkzeugmaschine
DE10059712A1 (de) Handwerkzeugmaschine
DE19952108B4 (de) Exzentertellerschleifmaschine
EP2101957A1 (de) Elektrogerät mit aufgerastetem drehbarem bedienungselement
EP0868264B1 (de) Elektrohandwerkzeugmaschine
DE4432973B4 (de) Elektrische Handwerkzeugmaschine mit einer Spindelarretierung
DE3625655C1 (de) Exzentertellerschleifer
DE19629989C2 (de) Schleifer mit einem mittels eines Antriebmotors mit Exzenterhub angetriebenen Werkzeug
EP2366494A1 (de) Hand-Werkzeugmaschine mit einem Zwangsrotation-Exzentergetriebe
DE69405935T2 (de) Vorrichtung zum manuellen Anbringen und Abmontieren von Bearbeitungsscheiben auf Handwerkzeugmaschinen für Oberflächenbearbeitung
DE9016415U1 (de) Handgeführte Elektrowerkzeugmaschine mit einer Einrichtung zum Einstellen des Drehmoments
DE3001907C2 (de) Einrichtung zum Arretieren der Antriebsspindel von Winkelschleifern und dergleichen handgeführter Elektrowerkzeuge
CH695487A5 (de) Werkzeugmaschine mit einem Getrieberaum mit Schmiermittel und einer Druckausgleichseinrichtung des Getrieberaums.
EP2366496B1 (de) Hand-Werkzeugmaschine mit einem Handgriff
EP1663574B1 (de) Handwerkzeugmaschine
EP0842012B1 (de) Schwingschleifer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040706

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50207890

Country of ref document: DE

Date of ref document: 20060928

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20061103

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

ET Fr: translation filed
26 Opposition filed

Opponent name: FESTOOL GMBH

Effective date: 20070125

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PLAF Information modified related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSCOBS2

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: FESTOOL GMBH

Effective date: 20070125

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20080917

Year of fee payment: 7

APBM Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNO

APBP Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2O

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO

APBQ Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3O

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090930

PLBP Opposition withdrawn

Free format text: ORIGINAL CODE: 0009264

REG Reference to a national code

Ref country code: DE

Ref legal event code: R064

Ref document number: 50207890

Country of ref document: DE

Ref country code: DE

Ref legal event code: R103

Ref document number: 50207890

Country of ref document: DE

APBU Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9O

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20120920

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20121122

Year of fee payment: 11

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT REVOKED

27W Patent revoked

Effective date: 20120830

GBPR Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting state

Effective date: 20120830

REG Reference to a national code

Ref country code: DE

Ref legal event code: R107

Ref document number: 50207890

Country of ref document: DE

Effective date: 20130926