JPS50144967A - - Google Patents
Info
- Publication number
- JPS50144967A JPS50144967A JP50050187A JP5018775A JPS50144967A JP S50144967 A JPS50144967 A JP S50144967A JP 50050187 A JP50050187 A JP 50050187A JP 5018775 A JP5018775 A JP 5018775A JP S50144967 A JPS50144967 A JP S50144967A
- 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
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
- B25D9/06—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
- F01L21/00—Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
-
- 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
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
-
- 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
- F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI741267A FI50940C (en) | 1974-04-25 | 1974-04-25 | Percussion device driven by a pressure fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50144967A true JPS50144967A (en) | 1975-11-21 |
| JPS554554B2 JPS554554B2 (en) | 1980-01-30 |
Family
ID=8505353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5018775A Expired JPS554554B2 (en) | 1974-04-25 | 1975-04-24 |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS554554B2 (en) |
| AT (2) | AT340346B (en) |
| CH (1) | CH626823A5 (en) |
| CS (1) | CS181292B2 (en) |
| DE (1) | DE2516546C2 (en) |
| FI (1) | FI50940C (en) |
| FR (1) | FR2268602B1 (en) |
| GB (1) | GB1478435A (en) |
| IT (1) | IT1037190B (en) |
| NO (1) | NO137349C (en) |
| PL (2) | PL94933B1 (en) |
| RO (1) | RO74260A (en) |
| SE (1) | SE423686B (en) |
| SU (1) | SU776569A3 (en) |
| ZA (2) | ZA752371B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI56430C (en) * | 1975-10-20 | 1982-08-09 | Tampella Oy Ab | SLAGANORDNING DRIVEN AV EN TRYCKVAETSKA |
| US4062411A (en) * | 1975-12-05 | 1977-12-13 | Gardner-Denver Company | Hydraulic percussion tool with impact blow and frequency control |
| US4298074A (en) * | 1976-08-09 | 1981-11-03 | American Safety Equipment Corporation | Surgical device using impulse motor |
| DE2654875A1 (en) * | 1976-12-03 | 1978-06-08 | Hausherr & Soehne Maschf | DEVICE FOR AUTOMATICALLY STOPPING A PRESSURIZED IMPACT DEVICE |
| GB1556754A (en) * | 1976-12-10 | 1979-11-28 | Af Hydraulics | Hydraulically-actuated percussive device with overstroke damping |
| SU745670A1 (en) * | 1977-01-04 | 1980-07-07 | Институт Горного Дела Со Ан Ссср | Air-distributing device of impact-action pneumatic machines |
| ES469097A1 (en) * | 1978-03-31 | 1980-06-16 | Crespo Jose T G | Hydraulic apparatus for producing impacts |
| DE3015696A1 (en) * | 1980-04-24 | 1981-10-29 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | HYRAULIC DRIVING DEVICE FOR A DRIVING TOOL |
| DE69024978T2 (en) * | 1990-07-12 | 1996-12-12 | G Drill Ab | STONE DRILLING DEVICE WITH HYDRAULIC DRIVE IN THE HOLE HOLE |
| SE528033C2 (en) | 2004-03-12 | 2006-08-15 | Atlas Copco Constr Tools Ab | Hydraulic hammer |
| FI124781B (en) * | 2009-03-26 | 2015-01-30 | Sandvik Mining & Constr Oy | Type of device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2906244A (en) * | 1958-02-24 | 1959-09-29 | Sheldon L Christensen | Hydraulic pavement breaker |
| DE1281370B (en) * | 1963-09-06 | 1968-10-24 | Krupp Gmbh | Impact device with hydraulically reciprocating pistons |
| GB1125755A (en) * | 1965-04-23 | 1968-08-28 | Vickers Ltd | Improvements in or relating to hydraulically operated tools |
| DE1703753A1 (en) * | 1968-07-05 | 1972-02-24 | Ingbuero Dipl Ing Friedrich He | Hydraulically operated impact device |
| US3796050A (en) * | 1972-05-18 | 1974-03-12 | Foster Miller Ass | High energy rate actuator |
-
1973
- 1973-04-09 RO RO7381944A patent/RO74260A/en unknown
-
1974
- 1974-04-25 FI FI741267A patent/FI50940C/en active
-
1975
- 1975-04-07 CS CS7500002378A patent/CS181292B2/en unknown
- 1975-04-10 GB GB1487875A patent/GB1478435A/en not_active Expired
- 1975-04-10 IT IT22205/75A patent/IT1037190B/en active
- 1975-04-15 ZA ZA00752371A patent/ZA752371B/en unknown
- 1975-04-15 AT AT285875A patent/AT340346B/en not_active IP Right Cessation
- 1975-04-15 ZA ZA00752372A patent/ZA752372B/en unknown
- 1975-04-15 AT AT285975A patent/AT340347B/en not_active IP Right Cessation
- 1975-04-16 DE DE2516546A patent/DE2516546C2/en not_active Expired
- 1975-04-21 SE SE7504591A patent/SE423686B/en not_active IP Right Cessation
- 1975-04-23 PL PL1975179882A patent/PL94933B1/pl unknown
- 1975-04-23 CH CH517975A patent/CH626823A5/en not_active IP Right Cessation
- 1975-04-24 SU SU752127440A patent/SU776569A3/en active
- 1975-04-24 NO NO751476A patent/NO137349C/en unknown
- 1975-04-24 PL PL1975179896A patent/PL113145B1/en unknown
- 1975-04-24 JP JP5018775A patent/JPS554554B2/ja not_active Expired
- 1975-04-25 FR FR7513061A patent/FR2268602B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| RO74260A (en) | 1980-10-30 |
| IT1037190B (en) | 1979-11-10 |
| SU776569A3 (en) | 1980-10-30 |
| ATA285875A (en) | 1977-04-15 |
| DE2516546C2 (en) | 1982-07-29 |
| DE2516546A1 (en) | 1975-11-20 |
| FI50940B (en) | 1976-05-31 |
| AT340346B (en) | 1977-12-12 |
| PL94933B1 (en) | 1977-09-30 |
| AT340347B (en) | 1977-12-12 |
| NO137349B (en) | 1977-11-07 |
| ATA285975A (en) | 1977-04-15 |
| FR2268602B1 (en) | 1982-02-19 |
| FR2268602A1 (en) | 1975-11-21 |
| SE7504591L (en) | 1975-10-26 |
| GB1478435A (en) | 1977-06-29 |
| CS181292B2 (en) | 1978-03-31 |
| FI126774A (en) | 1975-10-26 |
| SE423686B (en) | 1982-05-24 |
| JPS554554B2 (en) | 1980-01-30 |
| NO137349C (en) | 1978-02-22 |
| AU7993475A (en) | 1976-10-14 |
| CH626823A5 (en) | 1981-12-15 |
| NO751476L (en) | 1975-10-28 |
| ZA752371B (en) | 1976-03-31 |
| ZA752372B (en) | 1976-03-31 |
| PL113145B1 (en) | 1980-11-29 |
| FI50940C (en) | 1976-09-10 |