JPS4992802A - - Google Patents
Info
- Publication number
- JPS4992802A JPS4992802A JP10458973A JP10458973A JPS4992802A JP S4992802 A JPS4992802 A JP S4992802A JP 10458973 A JP10458973 A JP 10458973A JP 10458973 A JP10458973 A JP 10458973A JP S4992802 A JPS4992802 A JP S4992802A
- 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
- B25D9/14—Control devices for the reciprocating piston
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00289787A US3827507A (en) | 1972-09-18 | 1972-09-18 | Hydraulically powered demolition device |
| US292161A US3866690A (en) | 1972-09-25 | 1972-09-25 | Hydraulically powered impact device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4992802A true JPS4992802A (de) | 1974-09-04 |
| JPS574475B2 JPS574475B2 (de) | 1982-01-26 |
Family
ID=26965843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10458973A Expired JPS574475B2 (de) | 1972-09-18 | 1973-09-18 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS574475B2 (de) |
| DE (1) | DE2346519A1 (de) |
| FR (1) | FR2202758B3 (de) |
| GB (1) | GB1382950A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1034837A (en) * | 1974-12-18 | 1978-07-18 | Eugene L. Krasnoff | Hydraulic actuator |
| US4256187A (en) * | 1978-11-30 | 1981-03-17 | Hughes Tool Company | Impact tool with hydraulic cocking mechanism |
| JPH0452302Y2 (de) * | 1985-04-11 | 1992-12-09 | ||
| DE102004022623A1 (de) * | 2004-05-07 | 2005-12-08 | Robert Bosch Gmbh | Handwerkzeugmaschine mit einem Schlagwerk |
| CN104790452B (zh) * | 2015-03-31 | 2017-03-22 | 三一重机有限公司 | 一种应用于挖掘机的粒子冲击破碎系统及其破碎方法 |
-
1973
- 1973-09-15 DE DE19732346519 patent/DE2346519A1/de active Pending
- 1973-09-18 JP JP10458973A patent/JPS574475B2/ja not_active Expired
- 1973-09-18 GB GB4368673A patent/GB1382950A/en not_active Expired
- 1973-09-18 FR FR7333464A patent/FR2202758B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2202758A1 (de) | 1974-05-10 |
| FR2202758B3 (de) | 1976-08-20 |
| GB1382950A (en) | 1975-02-05 |
| DE2346519A1 (de) | 1974-04-11 |
| JPS574475B2 (de) | 1982-01-26 |