JPS5520999B2 - - Google Patents
Info
- Publication number
- JPS5520999B2 JPS5520999B2 JP8946672A JP8946672A JPS5520999B2 JP S5520999 B2 JPS5520999 B2 JP S5520999B2 JP 8946672 A JP8946672 A JP 8946672A JP 8946672 A JP8946672 A JP 8946672A JP S5520999 B2 JPS5520999 B2 JP S5520999B2
- 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.)
- Expired
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)
- Mechanically-Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7133566A FR2152482B1 (enExample) | 1971-09-17 | 1971-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4857353A JPS4857353A (enExample) | 1973-08-11 |
| JPS5520999B2 true JPS5520999B2 (enExample) | 1980-06-06 |
Family
ID=9083118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8946672A Expired JPS5520999B2 (enExample) | 1971-09-17 | 1972-09-06 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5520999B2 (enExample) |
| FR (1) | FR2152482B1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56149177U (enExample) * | 1980-04-08 | 1981-11-09 | ||
| US12280476B2 (en) | 2023-01-04 | 2025-04-22 | Jian-Shiou Liaw | Pneumatic extraction device |
| EP4397852B1 (en) * | 2023-01-05 | 2025-03-05 | Jian-Shiou Liaw | Pneumatic extraction device |
-
1971
- 1971-09-17 FR FR7133566A patent/FR2152482B1/fr not_active Expired
-
1972
- 1972-09-06 JP JP8946672A patent/JPS5520999B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2152482A1 (enExample) | 1973-04-27 |
| FR2152482B1 (enExample) | 1975-07-18 |
| JPS4857353A (enExample) | 1973-08-11 |