FR2473107B1 - - Google Patents

Info

Publication number
FR2473107B1
FR2473107B1 FR8017949A FR8017949A FR2473107B1 FR 2473107 B1 FR2473107 B1 FR 2473107B1 FR 8017949 A FR8017949 A FR 8017949A FR 8017949 A FR8017949 A FR 8017949A FR 2473107 B1 FR2473107 B1 FR 2473107B1
Authority
FR
France
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
FR8017949A
Other languages
French (fr)
Other versions
FR2473107A1 (fr
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries Ltd
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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of FR2473107A1 publication Critical patent/FR2473107A1/fr
Application granted granted Critical
Publication of FR2473107B1 publication Critical patent/FR2473107B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/04—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/064—Means for driving the impulse member using an electromagnetic drive

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Percussive Tools And Related Accessories (AREA)
FR8017949A 1979-08-17 1980-08-14 Outil a percussion pour mines et carrieres Granted FR2473107A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7928787 1979-08-17

Publications (2)

Publication Number Publication Date
FR2473107A1 FR2473107A1 (fr) 1981-07-10
FR2473107B1 true FR2473107B1 (enExample) 1983-09-16

Family

ID=10507284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8017949A Granted FR2473107A1 (fr) 1979-08-17 1980-08-14 Outil a percussion pour mines et carrieres

Country Status (2)

Country Link
US (1) US4353426A (enExample)
FR (1) FR2473107A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992017140A1 (en) * 1991-03-28 1992-10-15 Mcshirley Products, Inc. Solenoid motor assembly for a reciprocal motor
US5446319A (en) * 1994-03-29 1995-08-29 Pawlowski; Mark Permanent magnet energy storage apparatus
US5432382A (en) * 1994-03-29 1995-07-11 Pawlowski; Mark Permanent magnet energy storage apparatus
US6691798B1 (en) * 2002-06-19 2004-02-17 Steven James Lindsay Variable hand pressure activated power tool
DE10244260A1 (de) * 2002-09-24 2004-04-01 Festo Ag & Co. Linearantriebsvorrichtung
DE10253670B4 (de) * 2002-11-19 2021-05-06 Hilti Aktiengesellschaft Brennkraftbetriebenes Setzgerät
US7240744B1 (en) 2006-06-28 2007-07-10 Jerome Kemick Rotary and mud-powered percussive drill bit assembly and method
CN101787852B (zh) * 2010-02-04 2012-10-31 冯静 以锤击作为动力的冲击钻及其使用方法
RU2473766C2 (ru) * 2011-04-25 2013-01-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" Способ бурения горных пород и устройство для его осуществления
CN102225542A (zh) * 2011-06-02 2011-10-26 浙江大学 具有磁力冲击机构及缓冲蓄能作用的电锤钻
DE102012223025A1 (de) * 2012-12-13 2014-06-18 Hilti Aktiengesellschaft Eintreibgerät mit magnetischer Kolbenhalterung
EP2980966B1 (de) * 2014-07-29 2017-06-21 Lakeview Innovation Ltd. Elektromechanischer Aktuator
US10190604B2 (en) * 2015-10-22 2019-01-29 Caterpillar Inc. Piston and magnetic bearing for hydraulic hammer
RU2632307C1 (ru) * 2016-06-09 2017-10-03 Александр Николаевич Волков Пневматический ручной ударный инструмент для граверных работ
CN111664082A (zh) * 2020-06-18 2020-09-15 中国石油天然气股份有限公司 一种抽油机轻型全自动冲程调整冲击装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB360073A (en) * 1930-08-08 1931-11-05 Harold Davies Jones A new and improved electrically-operated unit for imparting intermittent percussion or reciprocatory movements
GB734575A (en) * 1951-08-02 1955-08-03 Electrical Percussion Ltd Improvements in or relating to percussion tools
US2861778A (en) * 1954-10-07 1958-11-25 Syntron Co Electromagnetic reciprocating hammer
US2943216A (en) * 1957-02-05 1960-06-28 Spodig Heinrich Power tool and magnetic motion converter for use therewith
US2949909A (en) * 1957-05-22 1960-08-23 Macchioni Pietro Aurelio Electromagnetic hammer
BE624785A (enExample) * 1961-11-14
US3132268A (en) * 1962-03-05 1964-05-05 Force Controls Company Motion e.m.f. generating transducer
CH459103A (de) * 1967-04-27 1968-06-30 Meyer Fa Rudolf Schlaghammer mit periodisch bewegtem Schlagkolben
JPS478878U (enExample) * 1971-03-04 1972-10-03
US3792740A (en) * 1972-04-05 1974-02-19 W Cooley Hydraulic powered hammer
DE2230737A1 (de) * 1972-06-23 1974-01-10 Wilhelm Jakobi Durch druckmittel betaetigbarer gesteinsbrecher
US3878412A (en) * 1972-07-21 1975-04-15 Kurpanek W H Magneto-motive reciprocating device
SU649791A1 (ru) * 1973-01-02 1979-02-28 Ф. И. Слоевский и Н. Я. Орлова Пневмогидравлический молот
FR2356483A1 (fr) * 1976-06-28 1978-01-27 Jacquemet Georges Appareil de percussion electro-magnetique

Also Published As

Publication number Publication date
FR2473107A1 (fr) 1981-07-10
US4353426A (en) 1982-10-12

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Legal Events

Date Code Title Description
ST Notification of lapse