IT1211191B - IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME - Google Patents
IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIMEInfo
- Publication number
- IT1211191B IT1211191B IT8767589A IT6758987A IT1211191B IT 1211191 B IT1211191 B IT 1211191B IT 8767589 A IT8767589 A IT 8767589A IT 6758987 A IT6758987 A IT 6758987A IT 1211191 B IT1211191 B IT 1211191B
- Authority
- IT
- Italy
- Prior art keywords
- same time
- hydraulic jacks
- improvement relating
- stage coaxial
- coaxial hydraulic
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8767589A IT1211191B (en) | 1987-07-10 | 1987-07-10 | IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME |
GB08815942A GB2206929A (en) | 1987-07-10 | 1988-07-05 | Improvements in or relating to hydraulically operated telescopic devices |
FR8809174A FR2617915B1 (en) | 1987-07-10 | 1988-07-06 | MULTI-STAGE HYDRAULIC CYLINDER WITH SIMULTANEOUS TELESCOPIC OPERATION |
ES8802151A ES2011101A6 (en) | 1987-07-10 | 1988-07-08 | Improvements in or relating to hydraulically operated telescopic devices |
NL8801732A NL8801732A (en) | 1987-07-10 | 1988-07-08 | JACK WITH STAGE ORDERING, SIMULTANEOUSLY TELESCOPIC HYDRAULIC JACKS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8767589A IT1211191B (en) | 1987-07-10 | 1987-07-10 | IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8767589A0 IT8767589A0 (en) | 1987-07-10 |
IT1211191B true IT1211191B (en) | 1989-10-12 |
Family
ID=11303671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8767589A IT1211191B (en) | 1987-07-10 | 1987-07-10 | IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME |
Country Status (5)
Country | Link |
---|---|
ES (1) | ES2011101A6 (en) |
FR (1) | FR2617915B1 (en) |
GB (1) | GB2206929A (en) |
IT (1) | IT1211191B (en) |
NL (1) | NL8801732A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4225032A1 (en) * | 1992-07-29 | 1994-02-03 | Ec Eng & Consult Spezialmasch | Telescopic arrangement consisting of several plunger cylinders, in particular for telescopic booms on cranes or the like. |
DE4227151A1 (en) * | 1992-08-17 | 1994-02-24 | Montan Hydraulik Gmbh & Co Kg | Telescopic cylinder extending under pressure medium pressure with at least two telescopic shots |
FR2710373A1 (en) * | 1993-09-22 | 1995-03-31 | Bourgeois Alain | Double extension ram supplied through its rod |
DE9318847U1 (en) * | 1993-12-08 | 1994-02-03 | Ec Engineering + Consulting Spezialmaschinen Gmbh, 89079 Ulm | Telescopic boom with multi-stage hydraulic cylinder |
CN111942339A (en) * | 2020-08-24 | 2020-11-17 | 门立山 | Device for preventing vehicle from being flooded |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL250626A (en) * | 1959-04-24 | |||
GB1022443A (en) * | 1961-06-07 | 1966-03-16 | Dobson Ltd W E & F | Improvements in or relating to load supporting props assemblies |
US3188917A (en) * | 1962-08-10 | 1965-06-15 | Yale & Towne Inc | Telescoping lift ram |
GB1045302A (en) * | 1963-03-14 | 1966-10-12 | Electro Hydraulics Ltd | Hydraulically operated roof supports |
GB1114927A (en) * | 1964-09-10 | 1968-05-22 | Dowty Mining Equipment Ltd | Fluid-pressure-operated telescopic prop assembly |
DE1240743B (en) * | 1965-02-17 | 1967-05-18 | Toussaint & Hess Gmbh | Hydraulic piston drive with telescopic piston |
FR2345608A1 (en) * | 1976-03-23 | 1977-10-21 | Pagliero Pietro | Hydraulic ram with coaxial cylinders - has central telescopic flow tubes and apertures through cylinders |
DE3150643A1 (en) * | 1981-12-21 | 1983-06-30 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | HYDRAULIC TELESCOPE STAMP, ESPECIALLY FOR UNDERGROUND SCREAM EXTENSION, LIKE, IN PARTICULAR, SHIELD EXTENSION RACK |
DE3521818A1 (en) * | 1985-06-19 | 1987-01-02 | Kloeckner Becorit Gmbh | TRIPLE-TELESCOPE STAMP |
-
1987
- 1987-07-10 IT IT8767589A patent/IT1211191B/en active
-
1988
- 1988-07-05 GB GB08815942A patent/GB2206929A/en not_active Withdrawn
- 1988-07-06 FR FR8809174A patent/FR2617915B1/en not_active Expired - Fee Related
- 1988-07-08 NL NL8801732A patent/NL8801732A/en not_active Application Discontinuation
- 1988-07-08 ES ES8802151A patent/ES2011101A6/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2617915B1 (en) | 1994-03-25 |
GB8815942D0 (en) | 1988-08-10 |
NL8801732A (en) | 1989-02-01 |
IT8767589A0 (en) | 1987-07-10 |
GB2206929A (en) | 1989-01-18 |
ES2011101A6 (en) | 1989-12-16 |
FR2617915A1 (en) | 1989-01-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX153515A (en) | IMPROVEMENTS IN TELESCOPIC CRANE WITH HYDRAULIC OPERATION | |
TR23217A (en) | TO BE USED WITH TUETUEN-ICME ITEMS, AGENTS TO REDUCE THEIR DESCRIPTION | |
IT8748097A0 (en) | PHARMACEUTICAL COMPOSITIONS WITH SYSTEMIC ACTION, TOPICALLY APPLICABLE | |
IT1238105B (en) | WORK TABLE FOR THE PREPARATION OF FLAT ELEMENTS INTENDED TO BE CONNECTED. | |
IT1211191B (en) | IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME | |
BR7409853A (en) | IMPROVEMENT IN TELESCOPIC HYDRAULIC COUPLING | |
DE3273057D1 (en) | Improvements in or relating to hydraulically operated cranes | |
JPS5521325A (en) | Double cylinder jack with load maintaining device | |
IT1244313B (en) | PROCEDURE TO REDUCE RESIDUAL LOADS IN THE WINDSCREEN | |
DE69014728D1 (en) | Rack and pinion jack. | |
DE3176301D1 (en) | Hydraulic system with a double section telescopic piston for the movement of loads in unstable conditions | |
DE3869893D1 (en) | HYDRAULIC TELESCOPIC DEVICE. | |
BR8903165A (en) | HYDRAULIC JACK | |
BR6702794U (en) | TELESCOPIC HYDRAULIC MONKEY SELF-RETRACTING | |
IT8922539A0 (en) | HYDRAULIC JACK | |
BR6800686U (en) | HYDRAULIC JACK | |
BR6601507U (en) | HYDRAULIC JACK | |
BR5801335U (en) | CONSTRUCTIVE ARRANGEMENT IN TELESCOPIC HYDRAULIC CYLINDER | |
KR900020333U (en) | Manual hydraulic jack | |
KR900014537U (en) | Manual hydraulic jack | |
DK169684D0 (en) | DOES TO THE TRUCK IN A TRUCK | |
TR24795A (en) | HYDRAULIC PULLER WITH PNOMATIC PULLER | |
FR2615844B1 (en) | HYDRAULIC LIFTING JACK | |
AU449605B2 (en) | Improvements in and relating to hydraulic jacks | |
ES1007845Y (en) | TELESCOPIC HYDRAULIC EXTRACTOR. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950725 |