FR2261112B1 - - Google Patents

Info

Publication number
FR2261112B1
FR2261112B1 FR7500711A FR7500711A FR2261112B1 FR 2261112 B1 FR2261112 B1 FR 2261112B1 FR 7500711 A FR7500711 A FR 7500711A FR 7500711 A FR7500711 A FR 7500711A FR 2261112 B1 FR2261112 B1 FR 2261112B1
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
FR7500711A
Other languages
French (fr)
Other versions
FR2261112A1 (en
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.)
DUSS MASCHF
Original Assignee
DUSS MASCHF
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 DUSS MASCHF filed Critical DUSS MASCHF
Publication of FR2261112A1 publication Critical patent/FR2261112A1/fr
Application granted granted Critical
Publication of FR2261112B1 publication Critical patent/FR2261112B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Percussive Tools And Related Accessories (AREA)
FR7500711A 1974-02-19 1975-01-10 Motor-driven striking tool - drive piston has valve with helical spring in drive piston of concrete processor Granted FR2261112A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742407879 DE2407879A1 (de) 1974-02-19 1974-02-19 Schlaggeraet

Publications (2)

Publication Number Publication Date
FR2261112A1 FR2261112A1 (en) 1975-09-12
FR2261112B1 true FR2261112B1 (da) 1979-09-28

Family

ID=5907817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7500711A Granted FR2261112A1 (en) 1974-02-19 1975-01-10 Motor-driven striking tool - drive piston has valve with helical spring in drive piston of concrete processor

Country Status (4)

Country Link
CH (1) CH581010A5 (da)
DE (1) DE2407879A1 (da)
FR (1) FR2261112A1 (da)
NL (1) NL7500520A (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113035A (en) * 1977-04-21 1978-09-12 Licentia Patent-Verwaltungs-G.M.B.H. Hammer drill with drive and percussion elements accommodated in a cylinder
US4336847A (en) * 1980-06-27 1982-06-29 Hitachi Koki Company, Limited Percussion drill
SU1617139A1 (ru) * 1988-08-09 1990-12-30 Московское Научно-Производственное Объединение По Механизированному Строительному Инструменту И Отделочным Машинам Компрессионно-вакуумна машина ударного действи
SE8900947D0 (sv) * 1989-03-16 1989-03-16 Atlas Copco Ab Slagverktyg

Also Published As

Publication number Publication date
DE2407879A1 (de) 1975-08-28
FR2261112A1 (en) 1975-09-12
CH581010A5 (da) 1976-10-29
NL7500520A (nl) 1975-08-21

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Legal Events

Date Code Title Description
ST Notification of lapse