FR2257395B3 - - Google Patents
Info
- Publication number
- FR2257395B3 FR2257395B3 FR7418633A FR7418633A FR2257395B3 FR 2257395 B3 FR2257395 B3 FR 2257395B3 FR 7418633 A FR7418633 A FR 7418633A FR 7418633 A FR7418633 A FR 7418633A FR 2257395 B3 FR2257395 B3 FR 2257395B3
- Authority
- FR
- France
- 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
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/064—Means for driving the impulse member using an electromagnetic drive
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Electrophonic Musical Instruments (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD175922A DD110089A1 (ja) | 1974-01-10 | 1974-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2257395A1 FR2257395A1 (ja) | 1975-08-08 |
| FR2257395B3 true FR2257395B3 (ja) | 1977-03-25 |
Family
ID=5494275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7418633A Expired FR2257395B3 (ja) | 1974-01-10 | 1974-05-29 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT338919B (ja) |
| DD (1) | DD110089A1 (ja) |
| DE (1) | DE2419164A1 (ja) |
| FR (1) | FR2257395B3 (ja) |
| GB (1) | GB1425693A (ja) |
| SE (1) | SE401299B (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625359A (ja) * | 1985-07-01 | 1987-01-12 | 林原 健 | 共振型振動伝達装置 |
| DE265566T1 (de) * | 1986-10-24 | 1988-08-11 | Procedes Techniques De Construction, Pantin, Fr | Elektromagnetischer rammbaer. |
| DE10146024C2 (de) * | 2001-09-18 | 2003-10-30 | Tracto Technik | Schlagvorrichtung, Erdbohrvorrichtung und Verfahren zum Vortrieb eines Bohrkopfes oder eines Aufweitkörpers |
| US6854530B1 (en) * | 2003-09-01 | 2005-02-15 | Chih Hao Yiu | Method for driving electric percussion tool |
| EP1668192A4 (en) * | 2003-09-22 | 2010-06-02 | Ramet Holdings Ltd | ELECTRONIC SONNET FOR PIOUS |
| DE102005030340B3 (de) * | 2005-06-29 | 2007-01-04 | Wacker Construction Equipment Ag | Schlagwerk mit elektrodynamischem Linearantrieb |
| UA95588C2 (uk) * | 2010-12-17 | 2011-08-10 | Владимир Федорович Болюх | Індукційно-динамічний електродвигун циклічної дії |
| CN107130930B (zh) * | 2017-07-13 | 2018-05-15 | 王玉朋 | 一种套管前通井震动钻具 |
| CN107130931B (zh) * | 2017-07-13 | 2018-04-10 | 王玉朋 | 套管前通井旋流可钻钻具 |
| CN114602582A (zh) * | 2022-03-28 | 2022-06-10 | 柳工常州机械有限公司 | 电动破碎锤 |
-
1974
- 1974-01-10 DD DD175922A patent/DD110089A1/xx unknown
- 1974-04-20 DE DE2419164A patent/DE2419164A1/de active Pending
- 1974-04-30 AT AT357574A patent/AT338919B/de not_active IP Right Cessation
- 1974-05-29 FR FR7418633A patent/FR2257395B3/fr not_active Expired
- 1974-07-08 SE SE7408962A patent/SE401299B/xx unknown
- 1974-07-10 GB GB3053874A patent/GB1425693A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT338919B (de) | 1977-09-26 |
| SE401299B (sv) | 1978-04-24 |
| GB1425693A (en) | 1976-02-18 |
| ATA357574A (de) | 1977-01-15 |
| SE7408962L (ja) | 1975-07-11 |
| FR2257395A1 (ja) | 1975-08-08 |
| DD110089A1 (ja) | 1974-12-05 |
| DE2419164A1 (de) | 1975-07-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |