DE20210453U1 - Impulse unit, for power hand tool, has a rotor with radial vanes forming two hydraulic chambers linked by a pressure controlled bypass - Google Patents
Impulse unit, for power hand tool, has a rotor with radial vanes forming two hydraulic chambers linked by a pressure controlled bypassInfo
- Publication number
- DE20210453U1 DE20210453U1 DE20210453U DE20210453U DE20210453U1 DE 20210453 U1 DE20210453 U1 DE 20210453U1 DE 20210453 U DE20210453 U DE 20210453U DE 20210453 U DE20210453 U DE 20210453U DE 20210453 U1 DE20210453 U1 DE 20210453U1
- Authority
- DE
- Germany
- Prior art keywords
- unit according
- pulse unit
- piston
- bore
- bypass
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract 4
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
Description
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically
Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically
Claims (24)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20210453U DE20210453U1 (en) | 2002-07-05 | 2002-07-05 | Impulse unit, for power hand tool, has a rotor with radial vanes forming two hydraulic chambers linked by a pressure controlled bypass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20210453U DE20210453U1 (en) | 2002-07-05 | 2002-07-05 | Impulse unit, for power hand tool, has a rotor with radial vanes forming two hydraulic chambers linked by a pressure controlled bypass |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20210453U1 true DE20210453U1 (en) | 2003-11-13 |
Family
ID=29557963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20210453U Expired - Lifetime DE20210453U1 (en) | 2002-07-05 | 2002-07-05 | Impulse unit, for power hand tool, has a rotor with radial vanes forming two hydraulic chambers linked by a pressure controlled bypass |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE20210453U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1920888A1 (en) | 2006-11-13 | 2008-05-14 | Cooper Power Tools GmbH & Co. | Torque impulse tool and front plate therefor |
EP1920887A1 (en) * | 2006-11-13 | 2008-05-14 | Cooper Power Tools GmbH & Co. | Tool with hydraulic percussion mechanism |
CN101396811B (en) * | 2007-09-28 | 2012-04-25 | 苏州宝时得电动工具有限公司 | Power tool |
-
2002
- 2002-07-05 DE DE20210453U patent/DE20210453U1/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1920888A1 (en) | 2006-11-13 | 2008-05-14 | Cooper Power Tools GmbH & Co. | Torque impulse tool and front plate therefor |
EP1920887A1 (en) * | 2006-11-13 | 2008-05-14 | Cooper Power Tools GmbH & Co. | Tool with hydraulic percussion mechanism |
US7647986B2 (en) | 2006-11-13 | 2010-01-19 | Cooper Power Tools Gmbh & Co. | Tool |
US7703546B2 (en) | 2006-11-13 | 2010-04-27 | Cooper Power Tools Gmbh & Co. | Pulse tool and associated front plate |
CN101396811B (en) * | 2007-09-28 | 2012-04-25 | 苏州宝时得电动工具有限公司 | Power tool |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R207 | Utility model specification |
Effective date: 20031218 |
|
R156 | Lapse of ip right after 3 years |
Effective date: 20060201 |