FR2454876A1 - Outil a percussion - Google Patents

Outil a percussion

Info

Publication number
FR2454876A1
FR2454876A1 FR7910743A FR7910743A FR2454876A1 FR 2454876 A1 FR2454876 A1 FR 2454876A1 FR 7910743 A FR7910743 A FR 7910743A FR 7910743 A FR7910743 A FR 7910743A FR 2454876 A1 FR2454876 A1 FR 2454876A1
Authority
FR
France
Prior art keywords
piston
supported
shock absorber
impact drill
cross bar
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
FR7910743A
Other languages
English (en)
French (fr)
Other versions
FR2454876B3 (enExample
Inventor
Velimies Rautimo
Raimo Pelto-Huikko
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.)
Kone Corp
Original Assignee
Kone Corp
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 Kone Corp filed Critical Kone Corp
Priority to FR7910743A priority Critical patent/FR2454876A1/fr
Publication of FR2454876A1 publication Critical patent/FR2454876A1/fr
Application granted granted Critical
Publication of FR2454876B3 publication Critical patent/FR2454876B3/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
    • B25D17/24—Damping the reaction force
    • B25D17/245—Damping the reaction force using a fluid
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7910743A 1979-04-27 1979-04-27 Outil a percussion Granted FR2454876A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7910743A FR2454876A1 (fr) 1979-04-27 1979-04-27 Outil a percussion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7910743A FR2454876A1 (fr) 1979-04-27 1979-04-27 Outil a percussion

Publications (2)

Publication Number Publication Date
FR2454876A1 true FR2454876A1 (fr) 1980-11-21
FR2454876B3 FR2454876B3 (enExample) 1982-01-22

Family

ID=9224833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910743A Granted FR2454876A1 (fr) 1979-04-27 1979-04-27 Outil a percussion

Country Status (1)

Country Link
FR (1) FR2454876A1 (enExample)

Also Published As

Publication number Publication date
FR2454876B3 (enExample) 1982-01-22

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