CH589503A5 - - Google Patents
Info
- Publication number
- CH589503A5 CH589503A5 CH929975A CH929975A CH589503A5 CH 589503 A5 CH589503 A5 CH 589503A5 CH 929975 A CH929975 A CH 929975A CH 929975 A CH929975 A CH 929975A CH 589503 A5 CH589503 A5 CH 589503A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/12—Means for driving the impulse member comprising a crank mechanism
- B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/24—Damping the reaction force
- B25D17/245—Damping the reaction force using a fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742438938 DE2438938A1 (de) | 1974-08-14 | 1974-08-14 | Motorisch angetriebener schlaghammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH589503A5 true CH589503A5 (cs) | 1977-07-15 |
Family
ID=5923147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH929975A CH589503A5 (cs) | 1974-08-14 | 1975-07-16 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH589503A5 (cs) |
| DE (1) | DE2438938A1 (cs) |
| GB (1) | GB1467215A (cs) |
| NL (1) | NL7509648A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201269A (en) * | 1977-01-24 | 1980-05-06 | Ross Frederick W | Impact device with linear single acting air spring |
| DE3335795A1 (de) * | 1983-10-01 | 1985-04-18 | Black & Decker Inc., Newark, Del. | Bohrhammer |
| DE4315037A1 (de) * | 1993-05-06 | 1994-11-10 | Map Metal Metallbearbeitung Gm | Druckluftwerkzeug mit Dämpfungseinrichtung |
-
1974
- 1974-08-14 DE DE19742438938 patent/DE2438938A1/de not_active Ceased
-
1975
- 1975-05-19 GB GB2134275A patent/GB1467215A/en not_active Expired
- 1975-07-16 CH CH929975A patent/CH589503A5/xx not_active IP Right Cessation
- 1975-08-13 NL NL7509648A patent/NL7509648A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1467215A (en) | 1977-03-16 |
| NL7509648A (nl) | 1976-02-17 |
| DE2438938A1 (de) | 1976-02-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |