JPS5027702A - - Google Patents

Info

Publication number
JPS5027702A
JPS5027702A JP49058675A JP5867574A JPS5027702A JP S5027702 A JPS5027702 A JP S5027702A JP 49058675 A JP49058675 A JP 49058675A JP 5867574 A JP5867574 A JP 5867574A JP S5027702 A JPS5027702 A JP S5027702A
Authority
JP
Japan
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
JP49058675A
Other versions
JPS5343361B2 (ja
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
Publication of JPS5027702A publication Critical patent/JPS5027702A/ja
Publication of JPS5343361B2 publication Critical patent/JPS5343361B2/ja
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
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)
JP5867574A 1973-05-25 1974-05-23 Expired JPS5343361B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US363879A US3881554A (en) 1973-05-25 1973-05-25 Mechanically actuated hammer and bit assembly therefor

Publications (2)

Publication Number Publication Date
JPS5027702A true JPS5027702A (ja) 1975-03-22
JPS5343361B2 JPS5343361B2 (ja) 1978-11-18

Family

ID=23432112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5867574A Expired JPS5343361B2 (ja) 1973-05-25 1974-05-23

Country Status (2)

Country Link
US (1) US3881554A (ja)
JP (1) JPS5343361B2 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7607337L (sv) * 1976-06-28 1977-12-29 Atlas Copco Ab Sett och anordning for brytning av ett fast material
US4736789A (en) * 1978-07-28 1988-04-12 Kennecott Corporation Apparatus and method for continuous casting of metallic strands at exceptionally high speeds using an oscillating mold assembly
EP0025153B1 (en) * 1979-08-31 1983-08-31 Black & Decker Inc. Portable tool such as a rotary hammer or the like
EP0042010B1 (en) * 1980-06-12 1984-08-08 Black & Decker Inc. Power operated tool including a mechanism for converting rotary motion to reciprocatory motion
US4429751A (en) 1981-10-26 1984-02-07 Conmaco, Inc. Control system for pile hammers
US4972733A (en) * 1988-12-12 1990-11-27 Textron Inc Shock absorbing grip
US5102200A (en) * 1990-06-04 1992-04-07 Caterpillar Inc. Impact ripper apparatus
AU7793691A (en) * 1990-06-04 1991-12-31 Caterpillar Inc. Impact ripper apparatus
US5117922A (en) * 1990-06-20 1992-06-02 Allied Steel & Tractor Products, Inc. Isolator assembly for a pneumatic underground piercing tool
GB2396130B (en) * 2002-12-10 2005-09-28 Black & Decker Inc Apparatus for producing self-exciting hammer action, and rotary power tool incorporating such apparatus
GB0428210D0 (en) * 2004-12-23 2005-01-26 Black & Decker Inc Mode change mechanism
US10814468B2 (en) 2017-10-20 2020-10-27 Milwaukee Electric Tool Corporation Percussion tool
WO2019147919A1 (en) 2018-01-26 2019-08-01 Milwaukee Electric Tool Corporation Percussion tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024684A (en) * 1934-07-23 1935-12-17 Erfass Karl Axel Ragnar Motor-driven hammer
US2177935A (en) * 1936-08-12 1939-10-31 Benjamin B Buck Stamp mill
DE1603852C3 (de) * 1968-01-29 1975-12-04 Hilti Ag, Schaan (Liechtenstein) Abfangvorrichtung für den Eintreibkolben eines pulverkraftbetriebenen Bolzensetzgerätes
US3605916A (en) * 1969-11-18 1971-09-20 Bogdan Vyacheslavovich Voitsek Hydraulic hammer
US3687008A (en) * 1971-02-01 1972-08-29 W J Savage Co Inc Pressure fluid controlled reciprocating mechanism

Also Published As

Publication number Publication date
US3881554A (en) 1975-05-06
JPS5343361B2 (ja) 1978-11-18

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