FR2147572A5 - - Google Patents

Info

Publication number
FR2147572A5
FR2147572A5 FR7222037A FR7222037A FR2147572A5 FR 2147572 A5 FR2147572 A5 FR 2147572A5 FR 7222037 A FR7222037 A FR 7222037A FR 7222037 A FR7222037 A FR 7222037A FR 2147572 A5 FR2147572 A5 FR 2147572A5
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
FR7222037A
Other languages
French (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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
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 Chicago Pneumatic Tool Co LLC filed Critical Chicago Pneumatic Tool Co LLC
Application granted granted Critical
Publication of FR2147572A5 publication Critical patent/FR2147572A5/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/03—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with movement in two directions being obtained by two single-acting piston liquid engines, each acting in one direction
    • F03C1/035—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with movement in two directions being obtained by two single-acting piston liquid engines, each acting in one direction one single-acting piston being always under the influence of the liquid under pressure
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L23/00—Valves controlled by impact by piston, e.g. in free-piston machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S173/00—Tool driving or impacting
    • Y10S173/04—Liquid operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
FR7222037A 1971-07-23 1972-06-19 Expired FR2147572A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00165539A US3803983A (en) 1971-07-23 1971-07-23 Reciprocating hydraulic hammer

Publications (1)

Publication Number Publication Date
FR2147572A5 true FR2147572A5 (de) 1973-03-09

Family

ID=22599335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222037A Expired FR2147572A5 (de) 1971-07-23 1972-06-19

Country Status (5)

Country Link
US (1) US3803983A (de)
CA (1) CA956542A (de)
DE (2) DE2235817A1 (de)
FR (1) FR2147572A5 (de)
GB (2) GB1362607A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369908A1 (fr) * 1976-11-08 1978-06-02 Montabert Roger Appareil a percussions hydraulique
SE7902872L (sv) * 1979-03-30 1980-10-01 Atlas Copco Ab Pneumatisk slagmekanism
US4402370A (en) * 1981-05-15 1983-09-06 Abraham Gein Valveless pneumatic hammer
US4560207A (en) * 1984-03-01 1985-12-24 Caterpillar Tractor Co. Method and apparatus for fragmenting asphalt
DE3690805T1 (de) * 1986-11-20 1988-10-27
FR2971029B1 (fr) * 2011-01-31 2013-01-18 Eurocopter France Dispositif d'amortissement de trainee ameliore
US10821308B1 (en) * 2015-09-21 2020-11-03 David Krumrei Battering ram

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US384186A (en) * 1888-06-05 earth
US2960067A (en) * 1957-10-28 1960-11-15 Inv S Man Corp Single stroke air hammer
US3322038A (en) * 1964-04-09 1967-05-30 Sperry Rand Corp Hydraulic hammer
US3351256A (en) * 1965-10-05 1967-11-07 Bostitch Inc Fluid actuated driving apparatus
GB1159465A (en) * 1966-07-06 1969-07-23 Hugo Cordes Control for a Ramming Hammer with Hydraulic Drive
DE1703061C3 (de) * 1968-03-27 1974-02-14 Fried. Krupp Gmbh, 4300 Essen Hydraulisch betriebener Schubkolbenmotor

Also Published As

Publication number Publication date
DE7227134U (de) 1973-05-24
CA956542A (en) 1974-10-22
GB1362608A (en) 1974-08-07
US3803983A (en) 1974-04-16
DE2235817A1 (de) 1973-02-01
GB1362607A (en) 1974-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse