EP1605171A3 - Fluid pressure-actuated cylinder with mechanical locking - Google Patents
Fluid pressure-actuated cylinder with mechanical locking Download PDFInfo
- Publication number
- EP1605171A3 EP1605171A3 EP05008964A EP05008964A EP1605171A3 EP 1605171 A3 EP1605171 A3 EP 1605171A3 EP 05008964 A EP05008964 A EP 05008964A EP 05008964 A EP05008964 A EP 05008964A EP 1605171 A3 EP1605171 A3 EP 1605171A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- orientated
- fluid pressure
- spindle
- mechanical locking
- actuated cylinder
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/004—Fluid pressure supply failure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
- F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
- F15B15/262—Locking mechanisms using friction, e.g. brake pads
- F15B15/264—Screw mechanisms attached to the piston
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
- Press Drives And Press Lines (AREA)
- Fluid-Pressure Circuits (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004009302U | 2004-06-11 | ||
DE202004009302U DE202004009302U1 (en) | 2004-06-11 | 2004-06-11 | Pressurized cylinder with mechanical travel lock in the depressurized state |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1605171A2 EP1605171A2 (en) | 2005-12-14 |
EP1605171A3 true EP1605171A3 (en) | 2006-09-06 |
EP1605171B1 EP1605171B1 (en) | 2008-09-17 |
Family
ID=32921427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05008964A Expired - Fee Related EP1605171B1 (en) | 2004-06-11 | 2005-04-23 | Fluid pressure-actuated cylinder with mechanical locking |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1605171B1 (en) |
AT (1) | ATE408759T1 (en) |
DE (2) | DE202004009302U1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005020365U1 (en) * | 2005-12-29 | 2006-02-23 | Bümach Engineering International B.V. | Pressure-medium-operated working cylinder with mechanical path blocking in the unpressurized state |
DE102006030617B4 (en) * | 2005-12-29 | 2009-09-10 | Bümach Engineering International B.V. | Pressure-medium-operated working cylinder with mechanical path blocking in the unpressurized state |
CN102878150A (en) * | 2012-09-29 | 2013-01-16 | 江苏昌力油缸有限公司 | Lockable lift cylinder |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB683633A (en) * | 1949-02-25 | 1952-12-03 | Gen Motors Corp | Improved fluid-pressure actuator |
GB725003A (en) * | 1952-03-27 | 1955-03-02 | Gen Motors Corp | Improved fluid-pressure actuator |
US2804053A (en) * | 1954-04-14 | 1957-08-27 | Gen Motors Corp | Actuator and locking means therefor |
US3442176A (en) * | 1967-05-01 | 1969-05-06 | Gen Electric | Actuator locking mechanism |
EP1170512A1 (en) * | 2000-07-06 | 2002-01-09 | Bümach Engineering International B.V. | Fluid pressure actuator with mechanical locking device when unpressurized |
EP1310681A2 (en) * | 2001-11-13 | 2003-05-14 | ROLFO S.p.A. | Linear actuator with internal mechanical locking |
-
2004
- 2004-06-11 DE DE202004009302U patent/DE202004009302U1/en not_active Expired - Lifetime
-
2005
- 2005-04-23 EP EP05008964A patent/EP1605171B1/en not_active Expired - Fee Related
- 2005-04-23 AT AT05008964T patent/ATE408759T1/en not_active IP Right Cessation
- 2005-04-23 DE DE502005005378T patent/DE502005005378D1/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB683633A (en) * | 1949-02-25 | 1952-12-03 | Gen Motors Corp | Improved fluid-pressure actuator |
GB725003A (en) * | 1952-03-27 | 1955-03-02 | Gen Motors Corp | Improved fluid-pressure actuator |
US2804053A (en) * | 1954-04-14 | 1957-08-27 | Gen Motors Corp | Actuator and locking means therefor |
US3442176A (en) * | 1967-05-01 | 1969-05-06 | Gen Electric | Actuator locking mechanism |
EP1170512A1 (en) * | 2000-07-06 | 2002-01-09 | Bümach Engineering International B.V. | Fluid pressure actuator with mechanical locking device when unpressurized |
EP1310681A2 (en) * | 2001-11-13 | 2003-05-14 | ROLFO S.p.A. | Linear actuator with internal mechanical locking |
Also Published As
Publication number | Publication date |
---|---|
EP1605171B1 (en) | 2008-09-17 |
EP1605171A2 (en) | 2005-12-14 |
ATE408759T1 (en) | 2008-10-15 |
DE202004009302U1 (en) | 2004-08-26 |
DE502005005378D1 (en) | 2008-10-30 |
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