FR2281194A1 - Appareil de percussion a commande pneumatique - Google Patents

Appareil de percussion a commande pneumatique

Info

Publication number
FR2281194A1
FR2281194A1 FR7524361A FR7524361A FR2281194A1 FR 2281194 A1 FR2281194 A1 FR 2281194A1 FR 7524361 A FR7524361 A FR 7524361A FR 7524361 A FR7524361 A FR 7524361A FR 2281194 A1 FR2281194 A1 FR 2281194A1
Authority
FR
France
Prior art keywords
piston
pneumatic hammer
ports
plate valve
cylinder
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.)
Granted
Application number
FR7524361A
Other languages
English (en)
Other versions
FR2281194B3 (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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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 Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of FR2281194A1 publication Critical patent/FR2281194A1/fr
Application granted granted Critical
Publication of FR2281194B3 publication Critical patent/FR2281194B3/fr
Granted 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
    • B25D17/11—Arrangements of noise-damping means
    • 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
    • B25D9/16—Valve arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Actuator (AREA)
FR7524361A 1974-08-08 1975-08-05 Appareil de percussion a commande pneumatique Granted FR2281194A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1088274A CH580476A5 (fr) 1974-08-08 1974-08-08

Publications (2)

Publication Number Publication Date
FR2281194A1 true FR2281194A1 (fr) 1976-03-05
FR2281194B3 FR2281194B3 (fr) 1978-03-24

Family

ID=4367823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524361A Granted FR2281194A1 (fr) 1974-08-08 1975-08-05 Appareil de percussion a commande pneumatique

Country Status (5)

Country Link
AT (1) AT355525B (fr)
CH (1) CH580476A5 (fr)
DE (1) DE2532712A1 (fr)
FR (1) FR2281194A1 (fr)
SE (1) SE7508839L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819589A1 (de) * 1978-05-05 1979-11-08 Sig Schweiz Industrieges Druckgasbetaetigtes gesteinsbearbeitungsgeraet mit fluessigkeitsspuelung
DE2820842A1 (de) * 1978-05-12 1979-11-22 Sig Schweiz Industrieges Pneumatisch betaetigtes schlaggeraet
US4949622A (en) * 1987-12-03 1990-08-21 Brooks David A Fluid operable engine
KR100282337B1 (ko) * 1998-09-01 2001-02-15 구자홍 진공청소기용 흡입구체
RU2759466C1 (ru) * 2021-05-31 2021-11-15 Федеральное государственное бюджетное образовательное учреждение высшего образования Северо-Кавказский горно-металлургический институт (государственный технологический университет) Двухпоршневой пневмоударник

Also Published As

Publication number Publication date
ATA570275A (de) 1979-07-15
SE7508839L (sv) 1976-02-09
CH580476A5 (fr) 1976-10-15
AT355525B (de) 1980-03-10
FR2281194B3 (fr) 1978-03-24
DE2532712A1 (de) 1976-02-19

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