DE2121172A1 - Schlagwerkzeug für pneumatischhydraulischen Betrieb - Google Patents

Schlagwerkzeug für pneumatischhydraulischen Betrieb

Info

Publication number
DE2121172A1
DE2121172A1 DE19712121172 DE2121172A DE2121172A1 DE 2121172 A1 DE2121172 A1 DE 2121172A1 DE 19712121172 DE19712121172 DE 19712121172 DE 2121172 A DE2121172 A DE 2121172A DE 2121172 A1 DE2121172 A1 DE 2121172A1
Authority
DE
Germany
Prior art keywords
piston
oil
valve
cylinder
main valve
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.)
Pending
Application number
DE19712121172
Other languages
German (de)
English (en)
Inventor
Hiromu Ikoma Nara Terada (Japan). M
Original Assignee
Nippon Pneumatic Manufacturing Co. Ltd., Osaka (Japan); '"Vtr: Eder, E., Dipl.-Ing.; Schieschke, K., Dipl.-Ing., Pat.-Anwälte, 8000 München
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
Priority claimed from JP3849170A external-priority patent/JPS4929801B1/ja
Priority claimed from JP3849070A external-priority patent/JPS501322B1/ja
Application filed by Nippon Pneumatic Manufacturing Co. Ltd., Osaka (Japan); '"Vtr: Eder, E., Dipl.-Ing.; Schieschke, K., Dipl.-Ing., Pat.-Anwälte, 8000 München filed Critical Nippon Pneumatic Manufacturing Co. Ltd., Osaka (Japan); '"Vtr: Eder, E., Dipl.-Ing.; Schieschke, K., Dipl.-Ing., Pat.-Anwälte, 8000 München
Publication of DE2121172A1 publication Critical patent/DE2121172A1/de
Pending 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
DE19712121172 1970-05-01 1971-04-29 Schlagwerkzeug für pneumatischhydraulischen Betrieb Pending DE2121172A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3849170A JPS4929801B1 (enExample) 1970-05-01 1970-05-01
JP3849070A JPS501322B1 (enExample) 1970-05-01 1970-05-01

Publications (1)

Publication Number Publication Date
DE2121172A1 true DE2121172A1 (de) 1971-12-09

Family

ID=26377752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712121172 Pending DE2121172A1 (de) 1970-05-01 1971-04-29 Schlagwerkzeug für pneumatischhydraulischen Betrieb

Country Status (4)

Country Link
US (1) US3735823A (enExample)
DE (1) DE2121172A1 (enExample)
ES (1) ES195738Y (enExample)
FR (1) FR2090995A5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628397A1 (de) * 1975-06-26 1976-12-30 Linden Alimak Ab Hydraulische schlagvorrichtung

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827507A (en) * 1972-09-18 1974-08-06 Technology Inc Const Hydraulically powered demolition device
US3925985A (en) * 1973-01-09 1975-12-16 Rapidex Inc Impact actuator
US3872934A (en) * 1973-10-30 1975-03-25 Nippon Pneumatic Mfg Impact tool
US4150603A (en) * 1977-09-06 1979-04-24 Joy Manufacturing Company Fluid operable hammer
US4261249A (en) * 1978-09-08 1981-04-14 Joy Manufacturing Company Hammer
US4577547A (en) * 1982-07-27 1986-03-25 Jaworski Bill L Impact tool
US4747466A (en) * 1983-09-06 1988-05-31 Jaworski Bill L Impact tool
IT1219714B (it) * 1988-06-14 1990-05-24 Techmo Car Spa Martello azionato idraulicamente particolarmente adatto all' impiego in ambiente polverosi,corrosivi e simili
RU2149751C1 (ru) * 1998-07-27 2000-05-27 Закрытое акционерное общество "Тамплиер Центр" Гидравлическое устройство ударного действия
US6658972B1 (en) * 1999-06-24 2003-12-09 Heidelberger Druckmaschinen Ag Full force web severer
WO2005065891A1 (en) * 2003-12-19 2005-07-21 Clark Equipment Company Impact tool
RU2265721C1 (ru) * 2004-05-31 2005-12-10 Гусельников Михаил Михайлович Устройство ударного действия
RU2443863C2 (ru) * 2010-03-30 2012-02-27 Институт гидродинамики им. М.А. Лаврентьева Сибирского отделения Российской академии наук (ИГиЛ СО РАН) Устройство ударного действия
EP3697574B1 (en) 2017-10-20 2025-03-19 Milwaukee Electric Tool Corporation Percussion tool
CN214723936U (zh) 2018-01-26 2021-11-16 米沃奇电动工具公司 冲击工具
RU208326U1 (ru) * 2021-06-25 2021-12-14 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук (ИГД СО РАН) Устройство ударного действия

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132962A (en) * 1937-11-22 1938-10-11 Mueller Otto Pneumatic hammer
US3490549A (en) * 1968-08-13 1970-01-20 Westinghouse Air Brake Co Hydraulic percussive drill
US3547207A (en) * 1968-11-07 1970-12-15 Vulcan Iron Works Percussion hammer
US3605916A (en) * 1969-11-18 1971-09-20 Bogdan Vyacheslavovich Voitsek Hydraulic hammer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628397A1 (de) * 1975-06-26 1976-12-30 Linden Alimak Ab Hydraulische schlagvorrichtung

Also Published As

Publication number Publication date
ES195738Y (es) 1975-07-01
ES195738U (es) 1975-02-01
FR2090995A5 (enExample) 1972-01-14
US3735823A (en) 1973-05-29

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