ITBS920003A1 - Cilindro a due o piu' sfilamenti simultanei - Google Patents
Cilindro a due o piu' sfilamenti simultaneiInfo
- Publication number
- ITBS920003A1 ITBS920003A1 IT000003A ITBS920003A ITBS920003A1 IT BS920003 A1 ITBS920003 A1 IT BS920003A1 IT 000003 A IT000003 A IT 000003A IT BS920003 A ITBS920003 A IT BS920003A IT BS920003 A1 ITBS920003 A1 IT BS920003A1
- Authority
- IT
- Italy
- Prior art keywords
- simultaneous
- slides
- cylinder
- simultaneous slides
- Prior art date
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
- F15B15/08—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBS920003A IT1259864B (it) | 1992-01-14 | 1992-01-14 | Cilindro a due o piu' sfilamenti simultanei |
EP92309558A EP0551716A1 (en) | 1992-01-14 | 1992-10-20 | An hydraulic piston and cylinder unit |
US07/997,902 US5305605A (en) | 1992-01-14 | 1992-12-29 | Hydraulic piston and cylinder unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBS920003A IT1259864B (it) | 1992-01-14 | 1992-01-14 | Cilindro a due o piu' sfilamenti simultanei |
Publications (3)
Publication Number | Publication Date |
---|---|
ITBS920003A0 ITBS920003A0 (it) | 1992-01-14 |
ITBS920003A1 true ITBS920003A1 (it) | 1993-07-14 |
IT1259864B IT1259864B (it) | 1996-03-28 |
Family
ID=11344742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITBS920003A IT1259864B (it) | 1992-01-14 | 1992-01-14 | Cilindro a due o piu' sfilamenti simultanei |
Country Status (3)
Country | Link |
---|---|
US (1) | US5305605A (it) |
EP (1) | EP0551716A1 (it) |
IT (1) | IT1259864B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6116140A (en) * | 1998-04-06 | 2000-09-12 | Grove U.S. L.L.C. | Telescoping system with multi-stage telescopic cylinder |
US6029559A (en) * | 1998-04-06 | 2000-02-29 | Grove U.S. L.L.C. | Telescoping system with multiple single-stage telescopic cylinders |
US8627699B2 (en) | 2008-04-23 | 2014-01-14 | Sms Innse Spa | Device and method for adjusting an edger |
US8424360B2 (en) * | 2008-07-30 | 2013-04-23 | Magna International Inc. | Hydraulic cylinder with three positive position stops |
US9481452B2 (en) * | 2010-11-22 | 2016-11-01 | The Boeing Company | Hydraulic actuator for semi levered landing gear |
CN104019081B (zh) * | 2014-05-15 | 2016-09-14 | 周泓宇 | 双作用多级液压油缸 |
CN105889167A (zh) * | 2014-12-12 | 2016-08-24 | 唐维 | 自锁式多级液压油缸 |
CN106744388B (zh) * | 2017-01-09 | 2018-05-01 | 三一帕尔菲格特种车辆装备有限公司 | 伸缩臂筒及起重臂 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE296047C (it) * | ||||
US3398645A (en) * | 1966-11-30 | 1968-08-27 | Nat Crane Corp | Multiple extension apparatus |
US3603207A (en) * | 1969-05-26 | 1971-09-07 | Koehring Co | Multiple-cylinder telescopic actuator |
US3609974A (en) * | 1969-06-05 | 1971-10-05 | Pettibone Corp | Telescopic boom with movement proportioned by cylinders in series |
US3624979A (en) * | 1969-08-25 | 1971-12-07 | Daniel F Przybylski | Telescoping hydraulic cylinder arrangement for multiple section extensible booms |
GB2176845B (en) * | 1985-06-21 | 1989-04-26 | 600 Group Plc The | Improvements in telescopic devices such as crane jibs |
US4825655A (en) * | 1985-06-28 | 1989-05-02 | Buchl Andrew F | Master/slave hydraulic system with rebound compensation |
FR2616489A1 (fr) * | 1987-06-15 | 1988-12-16 | Ppm Sa | Verin multiple a au moins trois elements coulissants et fleche telescopique en faisant application |
-
1992
- 1992-01-14 IT ITBS920003A patent/IT1259864B/it active IP Right Grant
- 1992-10-20 EP EP92309558A patent/EP0551716A1/en not_active Withdrawn
- 1992-12-29 US US07/997,902 patent/US5305605A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0551716A1 (en) | 1993-07-21 |
IT1259864B (it) | 1996-03-28 |
ITBS920003A0 (it) | 1992-01-14 |
US5305605A (en) | 1994-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960130 |