GB2320818B - Hand machine tool - Google Patents

Hand machine tool

Info

Publication number
GB2320818B
GB2320818B GB9725620A GB9725620A GB2320818B GB 2320818 B GB2320818 B GB 2320818B GB 9725620 A GB9725620 A GB 9725620A GB 9725620 A GB9725620 A GB 9725620A GB 2320818 B GB2320818 B GB 2320818B
Authority
GB
United Kingdom
Prior art keywords
machine tool
hand machine
hand
tool
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.)
Expired - Lifetime
Application number
GB9725620A
Other versions
GB2320818A (en
GB9725620D0 (en
Inventor
Stefan Heess
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 GB9725620D0 publication Critical patent/GB9725620D0/en
Publication of GB2320818A publication Critical patent/GB2320818A/en
Application granted granted Critical
Publication of GB2320818B publication Critical patent/GB2320818B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/14—Means for supporting or protecting brushes or brush holders
    • H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
    • H02K5/148—Slidably supported brushes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • 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
    • 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
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • 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
    • B25F5/008—Cooling means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H02K7/145—Hand-held machine tool
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Portable Power Tools In General (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Dc Machiner (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB9725620A 1996-12-18 1997-12-03 Hand machine tool Expired - Lifetime GB2320818B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29622019U DE29622019U1 (en) 1996-12-18 1996-12-18 Hand tool

Publications (3)

Publication Number Publication Date
GB9725620D0 GB9725620D0 (en) 1998-02-04
GB2320818A GB2320818A (en) 1998-07-01
GB2320818B true GB2320818B (en) 1998-11-25

Family

ID=8033504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9725620A Expired - Lifetime GB2320818B (en) 1996-12-18 1997-12-03 Hand machine tool

Country Status (4)

Country Link
JP (1) JP4018216B2 (en)
DE (1) DE29622019U1 (en)
GB (1) GB2320818B (en)
IT (1) IT1296828B1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9814690D0 (en) * 1998-07-08 1998-09-02 Johnson Electric Sa Dust guard
JP2002154065A (en) * 2000-11-20 2002-05-28 Makita Corp Power tool
DE10161615A1 (en) * 2001-12-14 2003-06-26 Bosch Gmbh Robert Hand machine tool with a housing with ventilation slots
JP4557555B2 (en) 2004-01-08 2010-10-06 株式会社マキタ Electric tool
DE102004036585A1 (en) * 2004-07-28 2006-03-23 Robert Bosch Gmbh Intermediate flange for a machine tool
US8087977B2 (en) 2005-05-13 2012-01-03 Black & Decker Inc. Angle grinder
JP4890879B2 (en) * 2006-02-16 2012-03-07 株式会社マキタ Dust-proof structure of power tools
US7988538B2 (en) 2006-10-13 2011-08-02 Black & Decker Inc. Large angle grinder
JP5068155B2 (en) * 2007-12-26 2012-11-07 株式会社マキタ Work tools
JP2010000630A (en) * 2008-06-18 2010-01-07 Makita Corp Cutter
US9821433B2 (en) 2014-05-20 2017-11-21 Black & Decker Inc. Particle separation assembly for power tool
DE102015225783A1 (en) * 2015-12-17 2017-06-22 Robert Bosch Gmbh Housing cover for a hand tool
JP6907459B2 (en) * 2015-12-29 2021-07-21 工機ホールディングス株式会社 Electric tool
DE102016209049A1 (en) * 2016-05-24 2017-11-30 Robert Bosch Gmbh Hand machine tool device
US10818450B2 (en) 2017-06-14 2020-10-27 Black & Decker Inc. Paddle switch
CN107553283B (en) * 2017-10-18 2023-07-18 福州集力电子技术研究所 Hand-held electric tool
CN113103194B (en) * 2020-01-09 2022-07-05 南京泉峰科技有限公司 Electric tool
US11637474B2 (en) 2021-03-19 2023-04-25 Ametek, Inc. Throughflow vacuum motor with reverse airflow

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1507640A (en) * 1975-12-17 1978-04-19 Skf Ind Trading & Dev Electric motor
US4626720A (en) * 1981-03-06 1986-12-02 Hitachi, Ltd. Cooling apparatus for motor means to protect commutator from dust and moisture in cooling air
EP0416468A1 (en) * 1989-09-04 1991-03-13 Kabushiki Kaisha Toshiba Air-cooled motor for use in vehicles
GB2297871A (en) * 1995-02-08 1996-08-14 Bosch Gmbh Robert Securing bearing in an electrical hand-held machine tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1507640A (en) * 1975-12-17 1978-04-19 Skf Ind Trading & Dev Electric motor
US4626720A (en) * 1981-03-06 1986-12-02 Hitachi, Ltd. Cooling apparatus for motor means to protect commutator from dust and moisture in cooling air
EP0416468A1 (en) * 1989-09-04 1991-03-13 Kabushiki Kaisha Toshiba Air-cooled motor for use in vehicles
GB2297871A (en) * 1995-02-08 1996-08-14 Bosch Gmbh Robert Securing bearing in an electrical hand-held machine tool

Also Published As

Publication number Publication date
JP4018216B2 (en) 2007-12-05
GB2320818A (en) 1998-07-01
ITMI972671A1 (en) 1999-06-02
DE29622019U1 (en) 1998-04-16
GB9725620D0 (en) 1998-02-04
JPH10201205A (en) 1998-07-31
IT1296828B1 (en) 1999-08-02

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20171202