EP0280195A3 - Percussion apparatus with tool holder - Google Patents

Percussion apparatus with tool holder Download PDF

Info

Publication number
EP0280195A3
EP0280195A3 EP88102374A EP88102374A EP0280195A3 EP 0280195 A3 EP0280195 A3 EP 0280195A3 EP 88102374 A EP88102374 A EP 88102374A EP 88102374 A EP88102374 A EP 88102374A EP 0280195 A3 EP0280195 A3 EP 0280195A3
Authority
EP
European Patent Office
Prior art keywords
holder
housing
chisel
end cap
tool holder
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.)
Ceased
Application number
EP88102374A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0280195A2 (en
Inventor
Shigeru Miyagawa
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.)
Yamada Juki Co Ltd
Original Assignee
Yamada Juki Co 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 Yamada Juki Co Ltd filed Critical Yamada Juki Co Ltd
Publication of EP0280195A2 publication Critical patent/EP0280195A2/en
Publication of EP0280195A3 publication Critical patent/EP0280195A3/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • 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
    • B25D11/12—Means for driving the impulse member comprising a crank mechanism
    • B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP88102374A 1987-02-21 1988-02-18 Percussion apparatus with tool holder Ceased EP0280195A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP38397/87 1987-02-21
JP3839787 1987-02-21
JP162036/87 1987-06-29
JP62162036A JPH0763944B2 (ja) 1987-02-21 1987-06-29 ブレ−カ

Publications (2)

Publication Number Publication Date
EP0280195A2 EP0280195A2 (en) 1988-08-31
EP0280195A3 true EP0280195A3 (en) 1990-03-28

Family

ID=26377645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102374A Ceased EP0280195A3 (en) 1987-02-21 1988-02-18 Percussion apparatus with tool holder

Country Status (4)

Country Link
EP (1) EP0280195A3 (ja)
JP (1) JPH0763944B2 (ja)
KR (1) KR920001602B1 (ja)
AU (1) AU598102B2 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8916049U1 (de) * 1989-02-21 1993-03-04 ECOAIR Drucklufttechnik GmbH, 4690 Herne Haltekappensicherung für Drucklufthämmer
US5363835A (en) * 1992-08-31 1994-11-15 Rocktec Limited Nose block assembly
JP4525904B2 (ja) 2004-06-08 2010-08-18 日立工機株式会社 打撃工具
JP4686372B2 (ja) * 2006-02-01 2011-05-25 株式会社マキタ 衝撃式作業工具
JP2013144346A (ja) * 2012-01-16 2013-07-25 Hitachi Koki Co Ltd 打撃工具
JP2015175507A (ja) 2014-03-18 2015-10-05 株式会社神戸製鋼所 チタン溶接管、及びチタン溶接管の製造方法
WO2019079560A1 (en) * 2017-10-20 2019-04-25 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

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB399773A (en) * 1932-09-12 1933-10-12 Frank Hills Improvements in or relating to pneumatic hammers and similar percussive tools
CH211989A (de) * 1938-09-29 1940-10-31 Bosch Gmbh Robert Werkzeughalter für Schlaggeräte.
US2298719A (en) * 1940-12-12 1942-10-13 Chicago Pneumatic Tool Co Implement retainer
US2432331A (en) * 1945-04-02 1947-12-09 Joy Mfg Co Working implement retainer
GB618546A (en) * 1946-10-04 1949-02-23 John Wilbur Tierney Improvements in or relating to fluid pressure operated engines, such as pneumatic picks or concrete breakers
FR1090212A (fr) * 1953-11-04 1955-03-29 Kango Electric Hammers Ltd Outil à percussion commandé mécaniquement
US2823040A (en) * 1955-10-03 1958-02-11 Chicago Pneumatic Tool Co Tool retainer for pneumatic hammer
US3179185A (en) * 1962-06-14 1965-04-20 Chicago Pneumatic Tool Co Demolition tool with shock attenuating means
DE2243939A1 (de) * 1971-09-13 1973-03-22 Kango Electric Hammers Ltd Schlagwerkzeug mit einem den schaft eines werkzeugeinsatzes aufnehmenden halter
US4103747A (en) * 1977-01-14 1978-08-01 Finney James L Buffer spring for an impact tool
GB2032829A (en) * 1978-10-10 1980-05-14 Bosch Gmbh Robert Noise damped chisel hammer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2551125C2 (de) * 1975-11-14 1987-04-23 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung an Handwerkzeugmaschinen zur Drehmomentübertragung
AU550165B2 (en) * 1982-03-01 1986-03-06 Allied Steel and Tractor Products Inc. Synchronous vibratory impact hammer

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB399773A (en) * 1932-09-12 1933-10-12 Frank Hills Improvements in or relating to pneumatic hammers and similar percussive tools
CH211989A (de) * 1938-09-29 1940-10-31 Bosch Gmbh Robert Werkzeughalter für Schlaggeräte.
US2298719A (en) * 1940-12-12 1942-10-13 Chicago Pneumatic Tool Co Implement retainer
US2432331A (en) * 1945-04-02 1947-12-09 Joy Mfg Co Working implement retainer
GB618546A (en) * 1946-10-04 1949-02-23 John Wilbur Tierney Improvements in or relating to fluid pressure operated engines, such as pneumatic picks or concrete breakers
FR1090212A (fr) * 1953-11-04 1955-03-29 Kango Electric Hammers Ltd Outil à percussion commandé mécaniquement
US2823040A (en) * 1955-10-03 1958-02-11 Chicago Pneumatic Tool Co Tool retainer for pneumatic hammer
US3179185A (en) * 1962-06-14 1965-04-20 Chicago Pneumatic Tool Co Demolition tool with shock attenuating means
DE2243939A1 (de) * 1971-09-13 1973-03-22 Kango Electric Hammers Ltd Schlagwerkzeug mit einem den schaft eines werkzeugeinsatzes aufnehmenden halter
US4103747A (en) * 1977-01-14 1978-08-01 Finney James L Buffer spring for an impact tool
GB2032829A (en) * 1978-10-10 1980-05-14 Bosch Gmbh Robert Noise damped chisel hammer

Also Published As

Publication number Publication date
JPH0763944B2 (ja) 1995-07-12
AU598102B2 (en) 1990-06-14
JPS642878A (en) 1989-01-06
EP0280195A2 (en) 1988-08-31
AU1192088A (en) 1988-08-25
KR880009739A (ko) 1988-10-04
KR920001602B1 (ko) 1992-02-20

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