JPS492825B1 - - Google Patents

Info

Publication number
JPS492825B1
JPS492825B1 JP42043294A JP4329467A JPS492825B1 JP S492825 B1 JPS492825 B1 JP S492825B1 JP 42043294 A JP42043294 A JP 42043294A JP 4329467 A JP4329467 A JP 4329467A JP S492825 B1 JPS492825 B1 JP S492825B1
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.)
Pending
Application number
JP42043294A
Other languages
Japanese (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 JPS492825B1 publication Critical patent/JPS492825B1/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
    • E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
    • E01C23/124—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus moved rectilinearly, e.g. road-breaker apparatus with reciprocating tools, with drop-hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Actuator (AREA)
  • Control Of Presses (AREA)
JP42043294A 1966-07-06 1967-07-04 Pending JPS492825B1 (US08197722-20120612-C00093.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC0039536 1966-07-06

Publications (1)

Publication Number Publication Date
JPS492825B1 true JPS492825B1 (US08197722-20120612-C00093.png) 1974-01-23

Family

ID=7023777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP42043294A Pending JPS492825B1 (US08197722-20120612-C00093.png) 1966-07-06 1967-07-04

Country Status (3)

Country Link
US (1) US3468222A (US08197722-20120612-C00093.png)
JP (1) JPS492825B1 (US08197722-20120612-C00093.png)
GB (1) GB1159465A (US08197722-20120612-C00093.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233630U (US08197722-20120612-C00093.png) * 1975-08-31 1977-03-09

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620312A (en) * 1969-05-22 1971-11-16 Ingersoll Rand Co Rock drill
US3727519A (en) * 1970-09-17 1973-04-17 Langenstein & Schemann Ag Hammer with a ram control device
US3803983A (en) * 1971-07-23 1974-04-16 Chicago Pneumatic Tool Co Reciprocating hydraulic hammer
SE370258B (US08197722-20120612-C00093.png) * 1971-12-13 1974-10-07 Atlas Copco Ab
US3903972A (en) * 1974-04-24 1975-09-09 Hydroacoustic Inc Impact tools
US4037520A (en) * 1975-08-29 1977-07-26 Herbert Edward Jakob Fluid motor apparatus
US4082471A (en) * 1976-01-02 1978-04-04 Imperial-Eastman Corporation Universal hydraulic impact tool
GB1572349A (en) * 1976-05-21 1980-07-30 Bsp Int Foundation Drop hammers
US6782956B1 (en) 2003-03-07 2004-08-31 Ingersoll-Rand Company Drive system having an inertial valve
US6863134B2 (en) * 2003-03-07 2005-03-08 Ingersoll-Rand Company Rotary tool
RU2465388C1 (ru) * 2011-03-16 2012-10-27 Виктор Михайлович Колесников МОЛОТОВАЯ ТРАМБОВКА КОЛЕСНИКОВА "МолтраК"
RU2560201C2 (ru) * 2013-12-27 2015-08-20 Александр Алексеевич Тхишев Подъемно-сбросной механизм
US10245714B2 (en) * 2015-11-13 2019-04-02 Caterpillar Inc. Hydraulic buffer with fast startup
CN108203920B (zh) * 2018-01-02 2019-11-26 山东水利建设集团有限公司 一种路面单边破碎系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182059A (en) * 1937-12-02 1939-12-05 Lester Engineering Co Apparatus for the application of injection pressure in pressure casting machines
GB845069A (en) * 1957-11-14 1960-08-17 Gewerk Eisenhuette Westfalia Starting device for a free piston engine
US3322038A (en) * 1964-04-09 1967-05-30 Sperry Rand Corp Hydraulic hammer
US3353352A (en) * 1966-01-11 1967-11-21 Caterpillar Tractor Co Load balancing system for hydraulic jack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233630U (US08197722-20120612-C00093.png) * 1975-08-31 1977-03-09

Also Published As

Publication number Publication date
GB1159465A (en) 1969-07-23
US3468222A (en) 1969-09-23

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