US3794124A - Electrically operated hammer drill - Google Patents

Electrically operated hammer drill Download PDF

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Publication number
US3794124A
US3794124A US00072779A US3794124DA US3794124A US 3794124 A US3794124 A US 3794124A US 00072779 A US00072779 A US 00072779A US 3794124D A US3794124D A US 3794124DA US 3794124 A US3794124 A US 3794124A
Authority
US
United States
Prior art keywords
hammer drill
shaft
coupling shaft
chuck
gear
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
US00072779A
Other languages
English (en)
Inventor
H Biersack
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.)
Impex Essen Vertrieb von Werkzeugen GmbH
Original Assignee
Impex Essen Vertrieb von Werkzeugen 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 Impex Essen Vertrieb von Werkzeugen GmbH filed Critical Impex Essen Vertrieb von Werkzeugen GmbH
Application granted granted Critical
Publication of US3794124A publication Critical patent/US3794124A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B25D16/003—Clutches specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Percussive Tools And Related Accessories (AREA)
US00072779A 1969-09-23 1970-09-16 Electrically operated hammer drill Expired - Lifetime US3794124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691948055 DE1948055A1 (de) 1969-09-23 1969-09-23 Elektrisch betriebener Bohrhammer

Publications (1)

Publication Number Publication Date
US3794124A true US3794124A (en) 1974-02-26

Family

ID=5746259

Family Applications (1)

Application Number Title Priority Date Filing Date
US00072779A Expired - Lifetime US3794124A (en) 1969-09-23 1970-09-16 Electrically operated hammer drill

Country Status (9)

Country Link
US (1) US3794124A (enrdf_load_stackoverflow)
AT (1) AT302935B (enrdf_load_stackoverflow)
CH (1) CH522477A (enrdf_load_stackoverflow)
DE (1) DE1948055A1 (enrdf_load_stackoverflow)
ES (1) ES383246A1 (enrdf_load_stackoverflow)
FR (1) FR2064273B1 (enrdf_load_stackoverflow)
GB (1) GB1301470A (enrdf_load_stackoverflow)
NL (1) NL7013405A (enrdf_load_stackoverflow)
SE (1) SE371769B (enrdf_load_stackoverflow)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125461A (en) * 1990-04-27 1992-06-30 Black & Decker, Inc. Power tool
US6223833B1 (en) * 1999-06-03 2001-05-01 One World Technologies, Inc. Spindle lock and chipping mechanism for hammer drill
US20030178211A1 (en) * 2002-03-23 2003-09-25 Andreas Stihl Ag & Co. Kg Portable drill having an internal combustion engine
US20040211574A1 (en) * 2002-10-23 2004-10-28 Manfred Droste Hammer
US20090064810A1 (en) * 2007-09-11 2009-03-12 Black & Decker Inc. Transmission and variable radially expanding spring clutch assembly
US20090129876A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-speed drill and transmission with low gear only clutch
US20090126958A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing
US20090126957A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-mode drill with mode collar
US20090126956A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-mode hammer drill with shift lock
US20090321102A1 (en) * 2007-03-28 2009-12-31 Aldo Di Nicolantonio Hand-held power tool
US7735575B2 (en) 2007-11-21 2010-06-15 Black & Decker Inc. Hammer drill with hard hammer support structure
US7770660B2 (en) 2007-11-21 2010-08-10 Black & Decker Inc. Mid-handle drill construction and assembly process
US7798245B2 (en) 2007-11-21 2010-09-21 Black & Decker Inc. Multi-mode drill with an electronic switching arrangement
US20120205132A1 (en) * 2010-01-21 2012-08-16 Wenjiang Wang Light single-button multifunctional electric hammer
US8641536B2 (en) 2009-08-12 2014-02-04 Black & Decker Inc. Tool bit or tool holder for power tool
US8820433B2 (en) 2011-08-30 2014-09-02 Black & Decker Inc. Axially compact power tool
US20150144367A1 (en) * 2012-04-24 2015-05-28 C. & E. Fein Gmbh Machine tool that can be guided manually and having a housing
US9630307B2 (en) 2012-08-22 2017-04-25 Milwaukee Electric Tool Corporation Rotary hammer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE374163B (enrdf_load_stackoverflow) * 1972-06-30 1975-02-24 Atlas Copco Ab
DE2242944B2 (de) * 1972-08-31 1981-04-23 Robert Bosch Gmbh, 7000 Stuttgart Bohrhammer
DE2966260D1 (en) * 1979-07-25 1983-11-10 Black & Decker Inc Three-speed gear mechanism in a power tool
DE3039669A1 (de) * 1980-10-21 1982-05-27 Robert Bosch Gmbh, 7000 Stuttgart Bohrhammer

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE12305C (de) * E. W. BLACKHALL in Toronto (Canada) Neuerungen an Papier-Perforirmaschinen
US1338019A (en) * 1918-06-01 1920-04-27 Jackson Corwill Drilling, riveting, and like machine
US1617025A (en) * 1925-04-20 1927-02-08 Seimei Hara And Goshikaisha Na Rock drill
US1968055A (en) * 1933-02-20 1934-07-31 John H Phillips Drill
US2285702A (en) * 1940-07-18 1942-06-09 Independent Pneumatic Tool Co Portable power hammer
US3203490A (en) * 1963-06-27 1965-08-31 Black & Decker Mfg Co Compact rotary hammer
DE1289800B (de) * 1961-06-21 1969-02-20 Licentia Gmbh Elektromotorisch angetriebenes Handwerkzeug
US3430709A (en) * 1967-10-02 1969-03-04 Black & Decker Mfg Co Motion transmission mechanism for impact tools

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE12305C (de) * E. W. BLACKHALL in Toronto (Canada) Neuerungen an Papier-Perforirmaschinen
US1338019A (en) * 1918-06-01 1920-04-27 Jackson Corwill Drilling, riveting, and like machine
US1617025A (en) * 1925-04-20 1927-02-08 Seimei Hara And Goshikaisha Na Rock drill
US1968055A (en) * 1933-02-20 1934-07-31 John H Phillips Drill
US2285702A (en) * 1940-07-18 1942-06-09 Independent Pneumatic Tool Co Portable power hammer
DE1289800B (de) * 1961-06-21 1969-02-20 Licentia Gmbh Elektromotorisch angetriebenes Handwerkzeug
US3203490A (en) * 1963-06-27 1965-08-31 Black & Decker Mfg Co Compact rotary hammer
US3430709A (en) * 1967-10-02 1969-03-04 Black & Decker Mfg Co Motion transmission mechanism for impact tools

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125461A (en) * 1990-04-27 1992-06-30 Black & Decker, Inc. Power tool
US5159986A (en) * 1990-04-27 1992-11-03 Black & Decker, Inc. Power tool
US6223833B1 (en) * 1999-06-03 2001-05-01 One World Technologies, Inc. Spindle lock and chipping mechanism for hammer drill
US6550546B2 (en) 1999-06-03 2003-04-22 One World Technologies, Inc. Spindle lock and chipping mechanism for hammer drill
US20030178211A1 (en) * 2002-03-23 2003-09-25 Andreas Stihl Ag & Co. Kg Portable drill having an internal combustion engine
US20040211574A1 (en) * 2002-10-23 2004-10-28 Manfred Droste Hammer
US6913090B2 (en) 2002-10-23 2005-07-05 Black & Decker Inc. Hammer
US20090321102A1 (en) * 2007-03-28 2009-12-31 Aldo Di Nicolantonio Hand-held power tool
US8984977B2 (en) 2007-09-11 2015-03-24 Black & Decker Inc. Transmission and variable radially expanding spring clutch assembly
EP2177787B1 (en) * 2007-09-11 2013-05-08 Black & Decker Inc. Power tool
US20090064810A1 (en) * 2007-09-11 2009-03-12 Black & Decker Inc. Transmission and variable radially expanding spring clutch assembly
US8347750B2 (en) 2007-09-11 2013-01-08 Black & Decker Inc. Transmission and variable radially expanding spring clutch assembly
US7793560B2 (en) 2007-09-11 2010-09-14 Black & Decker Inc. Transmission and variable radially expanding spring clutch assembly
EP2184123A1 (en) * 2007-09-11 2010-05-12 BLACK & DECKER INC. Transmission and variable radially expanding spring clutch assembly
US20100319474A1 (en) * 2007-09-11 2010-12-23 Black & Decker Inc. Transmission and variable radially expanding spring clutch assembly
US20100300226A1 (en) * 2007-09-11 2010-12-02 Bodine Thomas J Transmission and Variable Radially Expanding Spring Clutch Assembly
US20100276244A1 (en) * 2007-09-11 2010-11-04 Black & Decker Inc. Transmission and Variable Radially Expanding Spring Clutch Assembly
US20090126957A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-mode drill with mode collar
US8109343B2 (en) 2007-11-21 2012-02-07 Black & Decker Inc. Multi-mode drill with mode collar
US20100206591A1 (en) * 2007-11-21 2010-08-19 Black & Decker Inc. Multi-mode drill with mode collar
US7762349B2 (en) 2007-11-21 2010-07-27 Black & Decker Inc. Multi-speed drill and transmission with low gear only clutch
US7798245B2 (en) 2007-11-21 2010-09-21 Black & Decker Inc. Multi-mode drill with an electronic switching arrangement
US7735575B2 (en) 2007-11-21 2010-06-15 Black & Decker Inc. Hammer drill with hard hammer support structure
US7717192B2 (en) 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode drill with mode collar
US20100300714A1 (en) * 2007-11-21 2010-12-02 Trautner Paul K Multi-mode drill with an electronic switching arrangement
US7854274B2 (en) 2007-11-21 2010-12-21 Black & Decker Inc. Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing
US7717191B2 (en) 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode hammer drill with shift lock
US7987920B2 (en) 2007-11-21 2011-08-02 Black & Decker Inc. Multi-mode drill with mode collar
US7770660B2 (en) 2007-11-21 2010-08-10 Black & Decker Inc. Mid-handle drill construction and assembly process
US20090129876A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-speed drill and transmission with low gear only clutch
US8292001B2 (en) 2007-11-21 2012-10-23 Black & Decker Inc. Multi-mode drill with an electronic switching arrangement
US20090126956A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-mode hammer drill with shift lock
US20090126958A1 (en) * 2007-11-21 2009-05-21 Black & Decker Inc. Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing
US8555998B2 (en) 2007-11-21 2013-10-15 Black & Decker Inc. Multi-mode drill with mode collar
US8641536B2 (en) 2009-08-12 2014-02-04 Black & Decker Inc. Tool bit or tool holder for power tool
US20120205132A1 (en) * 2010-01-21 2012-08-16 Wenjiang Wang Light single-button multifunctional electric hammer
US9227312B2 (en) * 2010-01-21 2016-01-05 Zhejiang Haiwang Electric Machine Co., Ltd. Light single-button multifunctional electric hammer
US8820433B2 (en) 2011-08-30 2014-09-02 Black & Decker Inc. Axially compact power tool
US20150144367A1 (en) * 2012-04-24 2015-05-28 C. & E. Fein Gmbh Machine tool that can be guided manually and having a housing
US10160111B2 (en) * 2012-04-24 2018-12-25 C. & E. Fein Gmbh Machine tool that can be guided manually and having a housing
US9630307B2 (en) 2012-08-22 2017-04-25 Milwaukee Electric Tool Corporation Rotary hammer

Also Published As

Publication number Publication date
DE1948055A1 (de) 1971-04-01
ES383246A1 (es) 1972-12-16
FR2064273A1 (enrdf_load_stackoverflow) 1971-07-23
FR2064273B1 (enrdf_load_stackoverflow) 1973-01-12
SE371769B (enrdf_load_stackoverflow) 1974-12-02
GB1301470A (enrdf_load_stackoverflow) 1972-12-29
NL7013405A (enrdf_load_stackoverflow) 1971-03-25
CH522477A (de) 1972-06-30
AT302935B (de) 1972-11-10

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