FR2357336B1 - - Google Patents

Info

Publication number
FR2357336B1
FR2357336B1 FR7621723A FR7621723A FR2357336B1 FR 2357336 B1 FR2357336 B1 FR 2357336B1 FR 7621723 A FR7621723 A FR 7621723A FR 7621723 A FR7621723 A FR 7621723A FR 2357336 B1 FR2357336 B1 FR 2357336B1
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
FR7621723A
Other languages
French (fr)
Other versions
FR2357336A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7621723A priority Critical patent/FR2357336A1/fr
Publication of FR2357336A1 publication Critical patent/FR2357336A1/fr
Application granted granted Critical
Publication of FR2357336B1 publication Critical patent/FR2357336B1/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
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Earth Drilling (AREA)
FR7621723A 1976-07-09 1976-07-09 Dispositif a percussion a commande hydraulique, notamment pour marteaux piqueurs, marteaux de forge, ou autres outils de frappe Granted FR2357336A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7621723A FR2357336A1 (fr) 1976-07-09 1976-07-09 Dispositif a percussion a commande hydraulique, notamment pour marteaux piqueurs, marteaux de forge, ou autres outils de frappe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7621723A FR2357336A1 (fr) 1976-07-09 1976-07-09 Dispositif a percussion a commande hydraulique, notamment pour marteaux piqueurs, marteaux de forge, ou autres outils de frappe

Publications (2)

Publication Number Publication Date
FR2357336A1 FR2357336A1 (fr) 1978-02-03
FR2357336B1 true FR2357336B1 (enrdf_load_stackoverflow) 1981-09-18

Family

ID=9175781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621723A Granted FR2357336A1 (fr) 1976-07-09 1976-07-09 Dispositif a percussion a commande hydraulique, notamment pour marteaux piqueurs, marteaux de forge, ou autres outils de frappe

Country Status (1)

Country Link
FR (1) FR2357336A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI60151C (fi) * 1979-06-26 1981-12-10 Tampella Oy Ab Hydraulisk slaganordning
FI72908C (fi) * 1979-06-29 1987-08-10 Rammer Oy Hydraulisk slagmaskin.
FI115613B (fi) * 2002-05-08 2005-06-15 Sandvik Tamrock Oy Iskulaite
SE529415C2 (sv) * 2005-12-22 2007-08-07 Atlas Copco Rock Drills Ab Pulsgenerator och impulsmaskin för ett avverkande verktyg
US20220063074A1 (en) * 2020-08-26 2022-03-03 Robert Bosch Gmbh Gas Spring for a Fastener Driving Tool

Also Published As

Publication number Publication date
FR2357336A1 (fr) 1978-02-03

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Legal Events

Date Code Title Description
ST Notification of lapse