DE2407879A1 - Schlaggeraet - Google Patents

Schlaggeraet

Info

Publication number
DE2407879A1
DE2407879A1 DE19742407879 DE2407879A DE2407879A1 DE 2407879 A1 DE2407879 A1 DE 2407879A1 DE 19742407879 DE19742407879 DE 19742407879 DE 2407879 A DE2407879 A DE 2407879A DE 2407879 A1 DE2407879 A1 DE 2407879A1
Authority
DE
Germany
Prior art keywords
valve
piston
air cushion
drive piston
impact device
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
DE19742407879
Other languages
German (de)
English (en)
Inventor
Jakob Holzaepfel
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.)
FRIEDRICH DUSS MASCHINENFABRIK
Original Assignee
FRIEDRICH DUSS MASCHINENFABRIK
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 FRIEDRICH DUSS MASCHINENFABRIK filed Critical FRIEDRICH DUSS MASCHINENFABRIK
Priority to DE19742407879 priority Critical patent/DE2407879A1/de
Priority to CH1723374A priority patent/CH581010A5/xx
Priority to FR7500711A priority patent/FR2261112A1/fr
Priority to NL7500520A priority patent/NL7500520A/xx
Publication of DE2407879A1 publication Critical patent/DE2407879A1/de
Pending 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)
DE19742407879 1974-02-19 1974-02-19 Schlaggeraet Pending DE2407879A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19742407879 DE2407879A1 (de) 1974-02-19 1974-02-19 Schlaggeraet
CH1723374A CH581010A5 (cs) 1974-02-19 1974-12-23
FR7500711A 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
NL7500520A NL7500520A (nl) 1974-02-19 1975-01-16 Slagtoestel.

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2407879A1 true DE2407879A1 (de) 1975-08-28

Family

ID=5907817

Family Applications (1)

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

Country Status (4)

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

Cited By (3)

* 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
US4991664A (en) * 1988-08-09 1991-02-12 Kolgan Jury N Compression-vacuum percussive action machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8900947D0 (sv) * 1989-03-16 1989-03-16 Atlas Copco Ab Slagverktyg

Cited By (3)

* 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
US4991664A (en) * 1988-08-09 1991-02-12 Kolgan Jury N Compression-vacuum percussive action machine

Also Published As

Publication number Publication date
CH581010A5 (cs) 1976-10-29
FR2261112A1 (en) 1975-09-12
NL7500520A (nl) 1975-08-21
FR2261112B1 (cs) 1979-09-28

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