JPS5512006Y2 - - Google Patents
Info
- Publication number
- JPS5512006Y2 JPS5512006Y2 JP1972025883U JP2588372U JPS5512006Y2 JP S5512006 Y2 JPS5512006 Y2 JP S5512006Y2 JP 1972025883 U JP1972025883 U JP 1972025883U JP 2588372 U JP2588372 U JP 2588372U JP S5512006 Y2 JPS5512006 Y2 JP S5512006Y2
- Authority
- JP
- Japan
- 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
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
-
- 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
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972025883U JPS5512006Y2 (de) | 1972-03-02 | 1972-03-02 | |
| US336785A US3871265A (en) | 1972-03-02 | 1973-02-28 | Hydraulic cylinder assembly for telescopic boom |
| DE2310550A DE2310550C3 (de) | 1972-03-02 | 1973-03-02 | Hydrauliksteuerung zum Ausfahren eines dreiteiligen Teleskopkranauslegers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972025883U JPS5512006Y2 (de) | 1972-03-02 | 1972-03-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS48102484U JPS48102484U (de) | 1973-12-01 |
| JPS5512006Y2 true JPS5512006Y2 (de) | 1980-03-15 |
Family
ID=12178165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972025883U Expired JPS5512006Y2 (de) | 1972-03-02 | 1972-03-02 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3871265A (de) |
| JP (1) | JPS5512006Y2 (de) |
| DE (1) | DE2310550C3 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT401510B (de) * | 1991-10-21 | 1996-09-25 | Palfinger Ag | Ladekran |
| US5355769A (en) * | 1992-07-23 | 1994-10-18 | Magna Pow'r, Inc. | Sequentially operated cylinders with load holding valve integrated system |
| US5325763A (en) * | 1993-04-28 | 1994-07-05 | Foster Raymond K | Internal check valve |
| ES2194560B1 (es) * | 2000-07-11 | 2005-03-01 | Partek Cargotec, S.A. | Cilindro hidraulico para brazos telescopicos. |
| DE202005012049U1 (de) * | 2005-08-01 | 2006-12-14 | Liebherr-Werk Ehingen Gmbh | Teleskopierbarer Schiebeholm |
| US20210309503A1 (en) * | 2020-04-01 | 2021-10-07 | Terex South Dakota, Inc. | Boom assembly with translatable counterbalance mass |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7142813U (de) * | 1972-02-17 | Palfinger Hydraulik Kg | Lastarm für Autokrane | |
| DE963750C (de) * | 1955-06-22 | 1957-05-09 | Demag Ag | Hydraulischer Zylinder mit teleskopartig ineinanderschiebbaren Kolben |
| US3250182A (en) * | 1963-08-01 | 1966-05-10 | Harold K Nansel | Multiple extension apparatus |
| BE655844A (de) * | 1963-11-29 | 1965-03-16 | ||
| DE1568630A1 (de) * | 1966-11-30 | 1970-10-22 | Hoechst Ag | Verfahren zur Herstellung von 15 alpha-Halogen-14ss-hydroxy-card-20(22)-enoliden |
| DE1807158A1 (de) * | 1968-11-06 | 1970-06-11 | Gilberg Hans Peter | Doppeltwirkender Hydraulikzylinder fuer teleskopartig ausschiebbare Kranausleger |
| US3672257A (en) * | 1969-03-17 | 1972-06-27 | Tadano Tekkosho Kk | Extension means of a multi-stage boom |
| US3595264A (en) * | 1970-01-09 | 1971-07-27 | Parker Hannifin Corp | Load control and holding valve |
| JPS5028593B1 (de) * | 1970-01-14 | 1975-09-17 |
-
1972
- 1972-03-02 JP JP1972025883U patent/JPS5512006Y2/ja not_active Expired
-
1973
- 1973-02-28 US US336785A patent/US3871265A/en not_active Expired - Lifetime
- 1973-03-02 DE DE2310550A patent/DE2310550C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS48102484U (de) | 1973-12-01 |
| US3871265A (en) | 1975-03-18 |
| DE2310550C3 (de) | 1982-01-07 |
| DE2310550B2 (de) | 1981-04-23 |
| DE2310550A1 (de) | 1973-09-06 |