EP1648663A2 - Hohlkolbenschlagwerk mit luftausgleichs- und leerlauf ffnung - Google Patents
Hohlkolbenschlagwerk mit luftausgleichs- und leerlauf ffnungInfo
- Publication number
- EP1648663A2 EP1648663A2 EP04763463A EP04763463A EP1648663A2 EP 1648663 A2 EP1648663 A2 EP 1648663A2 EP 04763463 A EP04763463 A EP 04763463A EP 04763463 A EP04763463 A EP 04763463A EP 1648663 A2 EP1648663 A2 EP 1648663A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- openings
- idle
- air spring
- drive piston
- piston
- Prior art date
- 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
- 238000011067 equilibration Methods 0.000 title 1
- 238000009423 ventilation Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims description 39
- 238000009527 percussion Methods 0.000 claims description 32
- 230000004323 axial length Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/005—Arrangements for adjusting the stroke of the impulse member or for stopping the impact action when the tool is lifted from the working surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/035—Bleeding holes, e.g. in piston guide-sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/131—Idling mode of tools
Definitions
- control element is designed as a control sleeve which surrounds the guide tube.
- the drive piston is arranged in a rotationally fixed manner, while the guide tube and the control sleeve can be rotated together relative to the drive piston.
- This embodiment of the air spring hammer mechanism is particularly well suited for a hammer drill, in which, in addition to the striking movement, a rotary movement must also be transmitted to the tool.
- FIG. 4a shows a sectional view of the other air spring hammer mechanism according to the invention for a rotary hammer in the idle operating position
- Ventilation slots 13 which face each other and which extend in the axial direction of the drive piston 3 and completely penetrate the guide wall 5.
- the axial length of the ventilation slots 13 is dimensioned such that it is greater than an axial height of the piston head 7 of the percussion piston.
- a plurality of idle openings 16 are formed in the guide tube 15 and extend in the radial direction.
- the idle openings 16 can be arranged distributed on a line in the axial direction, such as. B. in Fig. 1 can be seen.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10333799A DE10333799B3 (de) | 2003-07-24 | 2003-07-24 | Hohlkolbenschlagwerk mit Luftausgleichs- und Leerlauföffnung |
| PCT/EP2004/008294 WO2005009688A2 (de) | 2003-07-24 | 2004-07-23 | Hohlkolbenschlagwerk mit luftausgleichs- und leerlauföffnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1648663A2 true EP1648663A2 (de) | 2006-04-26 |
| EP1648663B1 EP1648663B1 (de) | 2008-06-18 |
Family
ID=34071889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04763463A Expired - Lifetime EP1648663B1 (de) | 2003-07-24 | 2004-07-23 | Hohlkolbenschlagwerk mit luftausgleichs- und leerlauföffnung |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20060124333A1 (de) |
| EP (1) | EP1648663B1 (de) |
| JP (1) | JP4751324B2 (de) |
| DE (2) | DE10333799B3 (de) |
| ES (1) | ES2305815T3 (de) |
| WO (1) | WO2005009688A2 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9925653B2 (en) | 2013-07-05 | 2018-03-27 | Black & Decker Inc. | Hammer drill |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006010892A1 (de) * | 2006-03-09 | 2007-09-13 | Robert Bosch Gmbh | Werkzeugmaschine und Verfahren zum Betrieb einer Werkzeugmaschine |
| SE531658C2 (sv) * | 2006-10-02 | 2009-06-23 | Atlas Copco Rock Drills Ab | Slagverk jämte bergborrmaskin och bergborrigg |
| EP2163355A1 (de) * | 2008-09-12 | 2010-03-17 | AEG Electric Tools GmbH | Elektrowerkzeug umfassend einen Taumeltrieb oder Kurbeltrieb mit reduzierter Masse |
| US8636081B2 (en) | 2011-12-15 | 2014-01-28 | Milwaukee Electric Tool Corporation | Rotary hammer |
| US9308636B2 (en) | 2012-02-03 | 2016-04-12 | Milwaukee Electric Tool Corporation | Rotary hammer with vibration dampening |
| DE102012206451B4 (de) * | 2012-04-19 | 2020-12-10 | Hilti Aktiengesellschaft | Handwerkzeugmaschine |
| WO2013178246A1 (de) * | 2012-05-29 | 2013-12-05 | Hilti Aktiengesellschaft | Brennkraftbetriebenes setzgerät |
| DE102012208986A1 (de) | 2012-05-29 | 2013-12-05 | Hilti Aktiengesellschaft | Meißelnde Werkzeugmaschine |
| DE102012210088A1 (de) * | 2012-06-15 | 2013-12-19 | Hilti Aktiengesellschaft | Werkzeugmaschine |
| US8991841B2 (en) | 2012-09-04 | 2015-03-31 | Msi Defense Solutions, Llc | Air spring, air strut and air suspension system with a linearized spring rate |
| GB201216905D0 (en) * | 2012-09-21 | 2012-11-07 | Black & Decker Inc | A hammer drill |
| GB201216903D0 (en) * | 2012-09-21 | 2012-11-07 | Black & Decker Inc | A hammer drill |
| EP2857150A1 (de) * | 2013-10-03 | 2015-04-08 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
| US20150273676A1 (en) * | 2014-03-27 | 2015-10-01 | Michael B. Spektor | Optimized pneumatic hammer |
| CA2943806C (en) | 2014-03-27 | 2022-05-31 | Techtronic Power Tools Technology Limited | Powered fastener driver and operating method thereof |
| CN104265154A (zh) * | 2014-09-19 | 2015-01-07 | 宜昌市五环钻机具有限责任公司 | 一种新型潜孔冲击器 |
| DE102020208757A1 (de) | 2020-07-14 | 2022-01-20 | Robert Bosch Gesellschaft mit beschränkter Haftung | Schlagwerkvorrichtung für eine Handwerkzeugmaschine |
| US11833652B2 (en) | 2022-01-25 | 2023-12-05 | Hilti Aktiengesellschaft | Power tool |
| US20250058446A1 (en) * | 2023-08-18 | 2025-02-20 | Milwaukee Electric Tool Corporation | Transverse axis rotary hammer |
| CN119035606B (zh) * | 2024-09-26 | 2025-03-28 | 惠州市为华科技有限公司 | 一种金属铭牌钻孔设备 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US747752A (en) * | 1901-09-16 | 1903-12-22 | Standard Railway Equipment Company | Pneumatic hammer. |
| US1184687A (en) * | 1911-05-05 | 1916-05-23 | Louis E Golly | Power-actuated pneumatic hammer. |
| US1402727A (en) * | 1919-08-02 | 1922-01-03 | Michael B Garibaldi | Power-actuated pneumatic tool |
| US2638749A (en) * | 1951-01-19 | 1953-05-19 | Henry J Clay | Electropneumatic hammering device |
| US3559751A (en) * | 1969-01-16 | 1971-02-02 | Sakuji Yamada | Percussion device |
| US3688848A (en) * | 1971-03-15 | 1972-09-05 | Black & Decker Mfg Co | Air spring bleed assembly |
| US3827507A (en) * | 1972-09-18 | 1974-08-06 | Technology Inc Const | Hydraulically powered demolition device |
| US4290492A (en) * | 1979-01-31 | 1981-09-22 | Black & Decker Inc. | Idling and air replenishing system for a reciprocating hammer mechanism |
| DE3804026A1 (de) * | 1987-12-21 | 1989-08-24 | Bosch Gmbh Robert | Motorisch angetriebener meissel- oder bohrhammer |
| DE3826213A1 (de) * | 1988-08-02 | 1990-02-15 | Bosch Gmbh Robert | Bohr- oder schlaghammer |
| JP3424880B2 (ja) * | 1995-08-18 | 2003-07-07 | 株式会社マキタ | ハンマードリル |
| JP3292969B2 (ja) * | 1995-08-18 | 2002-06-17 | 株式会社マキタ | ハンマードリル |
| JP3292972B2 (ja) * | 1996-03-29 | 2002-06-17 | 株式会社マキタ | 打撃工具 |
| DE19714288A1 (de) * | 1997-04-07 | 1998-10-08 | Hilti Ag | Bohr- und/oder Meisselgerät |
| DE19728729C2 (de) * | 1997-07-04 | 2000-11-09 | Wacker Werke Kg | Luftfeder-Schlagwerk mit Luftausgleich |
| JPH1193971A (ja) * | 1997-09-19 | 1999-04-06 | Exedy Corp | ダンパーディスク組立体のスプラインハブ |
| DE19828426C2 (de) * | 1998-06-25 | 2003-04-03 | Wacker Werke Kg | Antriebskolben mit geringer Wandstärke für ein Luftfederschlagwerk |
| DE19843642B4 (de) * | 1998-09-23 | 2004-03-25 | Wacker Construction Equipment Ag | Luftfederschlagwerk mit Rückholluftfeder |
| DE19843645C1 (de) * | 1998-09-23 | 2000-03-30 | Wacker Werke Kg | Luftfederschlagwerk mit Leerlaufsteuerung |
| DE19847687C2 (de) * | 1998-10-15 | 2001-05-23 | Wacker Werke Kg | Hohlkolben-Schlagwerk mit Hülsensteuerung |
| DE19929183B4 (de) * | 1999-06-25 | 2004-07-29 | Wacker Construction Equipment Ag | Luftfederschlagwerk mit Hohl-Schlagkolben mit Leerlauföffnung |
| DE10019071A1 (de) * | 2000-04-18 | 2001-10-25 | Hilti Ag | Elekrohandwerkzeuggerät mit Leerschlagabschaltung |
| DE10103996C1 (de) * | 2001-01-30 | 2002-10-02 | Wacker Werke Kg | Luftfederschlagwerk für einen Schlag- und/oder Bohrhammer mit kurz bauendem Antriebskolben |
| DE10111717C1 (de) * | 2001-03-12 | 2002-10-24 | Wacker Werke Kg | Luftfederschlagwerk mit bewegungsfrequenzgesteuertem Leerlaufzustand |
| DE10122820A1 (de) * | 2001-05-11 | 2002-11-21 | Bosch Gmbh Robert | Handwerkzeugmaschine |
| DE10145464C2 (de) * | 2001-09-14 | 2003-08-28 | Wacker Construction Equipment | Bohr- und/oder Schlaghammer mit anpressdruckabhängiger Leerlaufsteuerung |
| JP4016772B2 (ja) * | 2001-11-16 | 2007-12-05 | 日立工機株式会社 | ハンマドリル |
| DE10156388A1 (de) * | 2001-11-16 | 2003-06-05 | Bosch Gmbh Robert | Handwerkzeugmaschine mit einem pneumatischen Schlagwerk |
| DE602004026134D1 (de) * | 2003-04-01 | 2010-05-06 | Makita Corp | Kraftwerkzeug |
| TWM258839U (en) * | 2004-05-21 | 2005-03-11 | Chen Shiou Ru | Airflow controlling structure of pneumatic tool |
| US7306048B2 (en) * | 2004-11-24 | 2007-12-11 | Hitachi Koki Co., Ltd. | Hammer drill having switching mechanism for switching operation modes |
-
2003
- 2003-07-24 DE DE10333799A patent/DE10333799B3/de not_active Expired - Fee Related
-
2004
- 2004-07-23 ES ES04763463T patent/ES2305815T3/es not_active Expired - Lifetime
- 2004-07-23 US US10/559,485 patent/US20060124333A1/en not_active Abandoned
- 2004-07-23 JP JP2006520813A patent/JP4751324B2/ja not_active Expired - Fee Related
- 2004-07-23 EP EP04763463A patent/EP1648663B1/de not_active Expired - Lifetime
- 2004-07-23 DE DE502004007398T patent/DE502004007398D1/de not_active Expired - Lifetime
- 2004-07-23 WO PCT/EP2004/008294 patent/WO2005009688A2/de not_active Ceased
-
2007
- 2007-10-31 US US11/930,839 patent/US7726414B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005009688A2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9925653B2 (en) | 2013-07-05 | 2018-03-27 | Black & Decker Inc. | Hammer drill |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006528558A (ja) | 2006-12-21 |
| WO2005009688A2 (de) | 2005-02-03 |
| EP1648663B1 (de) | 2008-06-18 |
| US7726414B2 (en) | 2010-06-01 |
| US20080073096A1 (en) | 2008-03-27 |
| DE502004007398D1 (de) | 2008-07-31 |
| WO2005009688A3 (de) | 2005-04-07 |
| US20060124333A1 (en) | 2006-06-15 |
| DE10333799B3 (de) | 2005-02-17 |
| JP4751324B2 (ja) | 2011-08-17 |
| ES2305815T3 (es) | 2008-11-01 |
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