EP1310681A3 - Linearantrieb mit innerer mechanischer Verriegelung - Google Patents

Linearantrieb mit innerer mechanischer Verriegelung Download PDF

Info

Publication number: EP1310681A3
Authority: EP; European Patent Office
Prior art keywords: screw; locking; linear actuator; mechanical locking; internal mechanical
Prior art date: 2001-11-13
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

Application number

EP02023599A

Other languages

English (en)

French (fr)

Other versions

EP1310681A2 (de

EP1310681B1 (de

Inventor

Giovanni Ghirardo

Giorgio Rolfo

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Rolfo SpA

Original Assignee

Rolfo SpA

Priority date (The priority date 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 date listed.)

2001-11-13

Filing date

2002-10-23

Publication date

2005-04-20

2002-10-23 Application filed by Rolfo SpA filed Critical Rolfo SpA

2003-05-14 Publication of EP1310681A2 publication Critical patent/EP1310681A2/de

2005-04-20 Publication of EP1310681A3 publication Critical patent/EP1310681A3/de

2009-03-11 Application granted granted Critical

2009-03-11 Publication of EP1310681B1 publication Critical patent/EP1310681B1/de

2022-10-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Transmission Devices (AREA)
Valve Device For Special Equipments (AREA)
Surgical Instruments (AREA)

EP02023599A 2001-11-13 2002-10-23 Linearantrieb mit innerer mechanischer Verriegelung Expired - Lifetime EP1310681B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT2001TO001066A ITTO20011066A1 (it)	2001-11-13	2001-11-13	Attuatore lineare con bloccaggio meccanico interno.
ITTO20011066		2001-11-13

Publications (3)

Publication Number	Publication Date
EP1310681A2 EP1310681A2 (de)	2003-05-14
EP1310681A3 true EP1310681A3 (de)	2005-04-20
EP1310681B1 EP1310681B1 (de)	2009-03-11

Family

ID=11459296

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02023599A Expired - Lifetime EP1310681B1 (de)	2001-11-13	2002-10-23	Linearantrieb mit innerer mechanischer Verriegelung

Country Status (4)

Country	Link
EP (1)	EP1310681B1 (de)
AT (1)	ATE425373T1 (de)
DE (1)	DE60231465D1 (de)
IT (1)	ITTO20011066A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10356598B3 (de) *	2003-12-04	2005-06-02	Neumeister Hydraulik Gmbh	Verriegelungszylinder
US7025547B2 (en)	2004-03-29	2006-04-11	Boydstun Metal Works, Inc.	Vehicle transporter with screw actuators
DE202004009302U1 (de) *	2004-06-11	2004-08-26	Bümach Engineering International B.V.	Druckmittelbetriebener Arbeitszylinder mit mechanischer Wegsperrung im drucklosen Zustand
US7575402B2 (en)	2006-07-06	2009-08-18	Toyota Motor Credit Corporation	Vehicle transporter with screw actuators
CN104675798B (zh) *	2015-03-06	2016-09-21	徐州奥博机械科技有限公司	可调型机械式自锁液压缸
CN106481616B (zh) *	2016-12-06	2018-02-06	泸州长江液压密封件有限公司	利用弹簧实现自锁的液压缸

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2886008A (en) *	1953-08-03	1959-05-12	Gen Motors Corp	Locking actuator and valve mechanism therefor
US3003470A (en) *	1960-05-16	1961-10-10	Gen Motors Corp	Actuator with variable position stroke limiter
US4293115A (en) *	1979-09-24	1981-10-06	Hydril Company	Testing mechanism for blowout preventer ram lock
DE20011789U1 (de) *	2000-07-06	2000-12-21	Bümach Engineering International B.V., Emmen	Druckmittelbetriebener Arbeitszylinder mit mechanischer Wegsperrung im drucklosen Zustand
AT4094U1 (de) *	1999-12-07	2001-01-25	Weber Hydraulik Gmbh	Linearverstellantrieb

2001
- 2001-11-13 IT IT2001TO001066A patent/ITTO20011066A1/it unknown
2002
- 2002-10-23 EP EP02023599A patent/EP1310681B1/de not_active Expired - Lifetime
- 2002-10-23 AT AT02023599T patent/ATE425373T1/de not_active IP Right Cessation
- 2002-10-23 DE DE60231465T patent/DE60231465D1/de not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2886008A (en) *	1953-08-03	1959-05-12	Gen Motors Corp	Locking actuator and valve mechanism therefor
US3003470A (en) *	1960-05-16	1961-10-10	Gen Motors Corp	Actuator with variable position stroke limiter
US4293115A (en) *	1979-09-24	1981-10-06	Hydril Company	Testing mechanism for blowout preventer ram lock
AT4094U1 (de) *	1999-12-07	2001-01-25	Weber Hydraulik Gmbh	Linearverstellantrieb
DE20011789U1 (de) *	2000-07-06	2000-12-21	Bümach Engineering International B.V., Emmen	Druckmittelbetriebener Arbeitszylinder mit mechanischer Wegsperrung im drucklosen Zustand

Also Published As

Publication number	Publication date
EP1310681A2 (de)	2003-05-14
ATE425373T1 (de)	2009-03-15
ITTO20011066A1 (it)	2002-02-13
DE60231465D1 (de)	2009-04-23
EP1310681B1 (de)	2009-03-11

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