JPS5418426B1 - - Google Patents
Info
- Publication number
- JPS5418426B1 JPS5418426B1 JP1778772A JP1778772A JPS5418426B1 JP S5418426 B1 JPS5418426 B1 JP S5418426B1 JP 1778772 A JP1778772 A JP 1778772A JP 1778772 A JP1778772 A JP 1778772A JP S5418426 B1 JPS5418426 B1 JP S5418426B1
- 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.)
- Pending
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12437671A | 1971-03-15 | 1971-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5418426B1 true JPS5418426B1 (en) | 1979-07-07 |
Family
ID=22414500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1778772A Pending JPS5418426B1 (en) | 1971-03-15 | 1972-02-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3688848A (en) |
| JP (1) | JPS5418426B1 (en) |
| IT (1) | IT951029B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4014392A (en) * | 1973-03-01 | 1977-03-29 | Ross Frederick W | Stabilized piston-cylinder impact device |
| US4099580A (en) * | 1977-01-24 | 1978-07-11 | Ross Frederick W | Impact device with linear air spring |
| US4201269A (en) * | 1977-01-24 | 1980-05-06 | Ross Frederick W | Impact device with linear single acting air spring |
| US4290492A (en) * | 1979-01-31 | 1981-09-22 | Black & Decker Inc. | Idling and air replenishing system for a reciprocating hammer mechanism |
| GB2127340B (en) * | 1982-09-03 | 1986-02-26 | Macdonald & Company John | Apparatus for scabbling concrete |
| DE3539030A1 (en) * | 1985-11-02 | 1987-05-07 | Hilti Ag | DRILLING HAMMER WITH PNEUMATICALLY DRIVEN PISTON |
| JP2552566B2 (en) * | 1990-04-05 | 1996-11-13 | 株式会社マキタ | Impact tool |
| DE19728729C2 (en) * | 1997-07-04 | 2000-11-09 | Wacker Werke Kg | Air spring striking mechanism with air compensation |
| DE19828426C2 (en) * | 1998-06-25 | 2003-04-03 | Wacker Werke Kg | Driving piston with low wall thickness for an air spring hammer mechanism |
| AU751720B2 (en) | 1998-09-18 | 2002-08-22 | Stanley Fastening Systems, L.P. | Multi-stroke fastening device |
| DE19929183B4 (en) * | 1999-06-25 | 2004-07-29 | Wacker Construction Equipment Ag | Air spring hammer mechanism with hollow impact piston with idle opening |
| EP1475190B1 (en) * | 2003-05-09 | 2010-03-31 | Makita Corporation | Power tool |
| DE10333799B3 (en) * | 2003-07-24 | 2005-02-17 | Wacker Construction Equipment Ag | Hollow piston impact mechanism with air compensation and idling opening |
| DE602004015206D1 (en) * | 2003-07-31 | 2008-09-04 | Makita Corp | power tool |
| EP1674205B1 (en) * | 2004-12-23 | 2014-03-19 | Black & Decker Inc. | Drive mechanism for power tool |
| DE102005030340B3 (en) * | 2005-06-29 | 2007-01-04 | Wacker Construction Equipment Ag | Impact mechanism with electrodynamic linear drive |
| GB2435442A (en) * | 2006-02-24 | 2007-08-29 | Black & Decker Inc | Powered hammer with helically shaped vent channel |
| EP2163355A1 (en) * | 2008-09-12 | 2010-03-17 | AEG Electric Tools GmbH | Electric tool comprising an oscillating drive or crank drive with reduced mass |
| DE102009026542A1 (en) * | 2009-05-28 | 2010-12-09 | Hilti Aktiengesellschaft | machine tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1043302A (en) * | 1909-02-27 | 1912-11-05 | Henry Deitz | Rock-drill. |
| US1191948A (en) * | 1914-11-09 | 1916-07-25 | Charles B Coates | Power-hammer. |
| US2333419A (en) * | 1940-10-08 | 1943-11-02 | Chicago Pneumatic Tool Co | Gas hammer |
| US2283292A (en) * | 1941-03-20 | 1942-05-19 | Ingersoll Rand Co | Percussive tool |
| US2880585A (en) * | 1955-07-11 | 1959-04-07 | Kango Electric Hammers Ltd | Percussive tools |
-
1971
- 1971-03-15 US US124376A patent/US3688848A/en not_active Expired - Lifetime
-
1972
- 1972-02-11 IT IT20481/72A patent/IT951029B/en active
- 1972-02-22 JP JP1778772A patent/JPS5418426B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3688848A (en) | 1972-09-05 |
| AU3289871A (en) | 1973-03-08 |
| IT951029B (en) | 1973-06-30 |