FR954342A - Improvements with jackhammers, perforators, concrete breakers or other similar pneumatic tools - Google Patents

Improvements with jackhammers, perforators, concrete breakers or other similar pneumatic tools

Info

Publication number
FR954342A
FR954342A FR954342DA FR954342A FR 954342 A FR954342 A FR 954342A FR 954342D A FR954342D A FR 954342DA FR 954342 A FR954342 A FR 954342A
Authority
FR
France
Prior art keywords
jackhammers
perforators
pneumatic tools
similar pneumatic
concrete breakers
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.)
Expired
Application number
Other languages
French (fr)
Inventor
John Wilbur Tierney
Frank Hills
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 filed Critical
Application granted granted Critical
Publication of FR954342A publication Critical patent/FR954342A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR954342D 1946-10-04 1947-10-17 Improvements with jackhammers, perforators, concrete breakers or other similar pneumatic tools Expired FR954342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB954342X 1946-10-04

Publications (1)

Publication Number Publication Date
FR954342A true FR954342A (en) 1949-12-22

Family

ID=10786389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR954342D Expired FR954342A (en) 1946-10-04 1947-10-17 Improvements with jackhammers, perforators, concrete breakers or other similar pneumatic tools

Country Status (1)

Country Link
FR (1) FR954342A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018359B (en) * 1954-05-14 1957-10-24 Hauhinco Maschf Pneumatic hammer with shock absorption
DE1033148B (en) * 1956-10-03 1958-06-26 Eisen & Stahlind Ag Compressed air impact tool with an elastic buffer ring arranged between the lower cylinder bridge and the impact piston
DE1034557B (en) * 1954-11-12 1958-07-17 Hauhinco Maschf Jackhammer
US3179185A (en) * 1962-06-14 1965-04-20 Chicago Pneumatic Tool Co Demolition tool with shock attenuating means
DE3007208A1 (en) * 1980-02-26 1981-09-03 Vsesojuznyj naučno-issledovatel'skij i proektno-konstruktorskij institut mechanizirovannogo i ručnogo stroitel'no-montažnogo instrumenta, vibratorov i stroitel'no-otdeločnych mašin VNIISMI, Chimki, Moskovskaja oblast' Pneumatic percussion tool assembly - has ring shoulder on floating bushing forming shock absorbing chamber together with housing
EP0471649A1 (en) * 1990-08-16 1992-02-19 SIG Schweizerische Industrie-Gesellschaft Fluid pressure-operated hammer
US6257352B1 (en) 1998-11-06 2001-07-10 Craig Nelson Rock breaking device
FR2991211A1 (en) * 2012-05-29 2013-12-06 Bosch Gmbh Robert PERCUSSION MECHANISM OF MACHINE TOOL HAND

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018359B (en) * 1954-05-14 1957-10-24 Hauhinco Maschf Pneumatic hammer with shock absorption
DE1034557B (en) * 1954-11-12 1958-07-17 Hauhinco Maschf Jackhammer
DE1033148B (en) * 1956-10-03 1958-06-26 Eisen & Stahlind Ag Compressed air impact tool with an elastic buffer ring arranged between the lower cylinder bridge and the impact piston
US3179185A (en) * 1962-06-14 1965-04-20 Chicago Pneumatic Tool Co Demolition tool with shock attenuating means
DE3007208A1 (en) * 1980-02-26 1981-09-03 Vsesojuznyj naučno-issledovatel'skij i proektno-konstruktorskij institut mechanizirovannogo i ručnogo stroitel'no-montažnogo instrumenta, vibratorov i stroitel'no-otdeločnych mašin VNIISMI, Chimki, Moskovskaja oblast' Pneumatic percussion tool assembly - has ring shoulder on floating bushing forming shock absorbing chamber together with housing
EP0471649A1 (en) * 1990-08-16 1992-02-19 SIG Schweizerische Industrie-Gesellschaft Fluid pressure-operated hammer
US6257352B1 (en) 1998-11-06 2001-07-10 Craig Nelson Rock breaking device
FR2991211A1 (en) * 2012-05-29 2013-12-06 Bosch Gmbh Robert PERCUSSION MECHANISM OF MACHINE TOOL HAND

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