DK620974A - - Google Patents
Info
- Publication number
- DK620974A DK620974A DK620974A DK620974A DK620974A DK 620974 A DK620974 A DK 620974A DK 620974 A DK620974 A DK 620974A DK 620974 A DK620974 A DK 620974A DK 620974 A DK620974 A DK 620974A
- Authority
- DK
- Denmark
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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Fluid-Damping Devices (AREA)
- Fluid-Pressure Circuits (AREA)
- Road Paving Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5579473A GB1440956A (en) | 1973-12-01 | 1973-12-01 | Hydraulically-operated devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK620974A true DK620974A (da) | 1975-07-28 |
Family
ID=10474906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK620974A DK620974A (da) | 1973-12-01 | 1974-11-29 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4020747A (da) |
| JP (1) | JPS5084770A (da) |
| AU (1) | AU477109B2 (da) |
| BE (1) | BE822840A (da) |
| DE (1) | DE2456090A1 (da) |
| DK (1) | DK620974A (da) |
| ES (1) | ES432495A1 (da) |
| FR (1) | FR2253153A1 (da) |
| GB (1) | GB1440956A (da) |
| IT (1) | IT1026595B (da) |
| NL (1) | NL7415562A (da) |
| SE (1) | SE7414972L (da) |
| ZA (1) | ZA747573B (da) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1556754A (en) * | 1976-12-10 | 1979-11-28 | Af Hydraulics | Hydraulically-actuated percussive device with overstroke damping |
| US4098355A (en) * | 1977-01-27 | 1978-07-04 | Raymond International Inc. | Underwater hammer with circumferential flow seal |
| ZA771338B (en) * | 1977-03-04 | 1978-06-28 | Steel Eng Co Ltd | Hydraulic percussive machines |
| ES464093A1 (es) * | 1977-11-12 | 1978-12-16 | Luis Miguel Castejon Castan | Perfeccionamientos en los sistemas de fluidos alternantes y aparato para su realizacion. |
| SE8102430L (sv) * | 1981-04-15 | 1982-10-16 | Atlas Copco Ab | Forfarande och anordning for att dempa stotvagor |
| US4492147A (en) * | 1983-12-30 | 1985-01-08 | Knapp Pneumatics, Inc. | Reciprocatory air motor with cushioning pistons |
| FR2596681B1 (fr) * | 1986-04-03 | 1988-06-10 | Eimco Secoma | Appareil de percussion hydraulique avec dispositif d'amortissement des ondes de choc en retour |
| FR2639279B1 (fr) * | 1988-11-23 | 1991-01-04 | Eimco Secoma | Appareil de percussion hydraulique avec dispositif de frappe en retrait amortie |
| FI114290B (fi) * | 2003-02-21 | 2004-09-30 | Sandvik Tamrock Oy | Ohjausventtiili ja järjestely iskulaitteessa |
| CN110219851B (zh) * | 2019-04-02 | 2024-04-26 | 台州贝力特机械有限公司 | 一种液压破碎锤的活塞导向结构 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1262170A (en) * | 1916-10-30 | 1918-04-09 | Charles B Russell | Weed-puller. |
| GB1019988A (en) * | 1963-12-04 | 1966-02-09 | Metal Box Co Ltd | Improvements in or relating to pneumatic cylinders |
| US3596562A (en) * | 1968-01-12 | 1971-08-03 | Nat Res Dev | Transducer for converting fluid pressure oscillations into mechanical oscillations |
| US3661312A (en) * | 1970-07-22 | 1972-05-09 | Illinois Tool Works | Detection and cutoff mechanism for power driven devices |
| US3887019A (en) * | 1971-05-11 | 1975-06-03 | Af Hydraulics | Hydraulic percussive implement |
| US3800662A (en) * | 1972-08-18 | 1974-04-02 | Ackley Mfg Co | Fluid operated reciprocating motor |
-
1973
- 1973-12-01 GB GB5579473A patent/GB1440956A/en not_active Expired
-
1974
- 1974-11-27 US US05/527,769 patent/US4020747A/en not_active Expired - Lifetime
- 1974-11-27 DE DE19742456090 patent/DE2456090A1/de active Pending
- 1974-11-27 ZA ZA00747573A patent/ZA747573B/xx unknown
- 1974-11-27 AU AU75791/74A patent/AU477109B2/en not_active Expired
- 1974-11-28 SE SE7414972A patent/SE7414972L/xx unknown
- 1974-11-28 NL NL7415562A patent/NL7415562A/xx unknown
- 1974-11-28 IT IT59932/74A patent/IT1026595B/it active
- 1974-11-29 DK DK620974A patent/DK620974A/da unknown
- 1974-11-30 ES ES432495A patent/ES432495A1/es not_active Expired
- 1974-11-30 JP JP49137675A patent/JPS5084770A/ja active Pending
- 1974-12-02 BE BE151058A patent/BE822840A/xx unknown
- 1974-12-02 FR FR7439377A patent/FR2253153A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2456090A1 (de) | 1975-06-05 |
| AU7579174A (en) | 1976-05-27 |
| SE7414972L (da) | 1975-06-02 |
| US4020747A (en) | 1977-05-03 |
| BE822840A (fr) | 1975-04-01 |
| IT1026595B (it) | 1978-10-20 |
| AU477109B2 (en) | 1976-10-14 |
| ES432495A1 (es) | 1976-11-01 |
| JPS5084770A (da) | 1975-07-08 |
| FR2253153A1 (da) | 1975-06-27 |
| NL7415562A (nl) | 1975-06-03 |
| ZA747573B (en) | 1975-12-31 |
| GB1440956A (en) | 1976-06-30 |