JPS48102484U - - Google Patents

Info

Publication number
JPS48102484U
JPS48102484U JP1972025883U JP2588372U JPS48102484U JP S48102484 U JPS48102484 U JP S48102484U JP 1972025883 U JP1972025883 U JP 1972025883U JP 2588372 U JP2588372 U JP 2588372U JP S48102484 U JPS48102484 U JP S48102484U
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.)
Granted
Application number
JP1972025883U
Other languages
Japanese (ja)
Other versions
JPS5512006Y2 (enrdf_load_stackoverflow
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.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1972025883U priority Critical patent/JPS5512006Y2/ja
Priority to US336785A priority patent/US3871265A/en
Priority to DE2310550A priority patent/DE2310550C3/de
Publication of JPS48102484U publication Critical patent/JPS48102484U/ja
Application granted granted Critical
Publication of JPS5512006Y2 publication Critical patent/JPS5512006Y2/ja
Expired 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Jib Cranes (AREA)
JP1972025883U 1972-03-02 1972-03-02 Expired JPS5512006Y2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1972025883U JPS5512006Y2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow) 1972-03-02 1972-03-02

Publications (2)

Publication Number Publication Date
JPS48102484U true JPS48102484U (enrdf_load_stackoverflow) 1973-12-01
JPS5512006Y2 JPS5512006Y2 (enrdf_load_stackoverflow) 1980-03-15

Family

ID=12178165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972025883U Expired JPS5512006Y2 (enrdf_load_stackoverflow) 1972-03-02 1972-03-02

Country Status (3)

Country Link
US (1) US3871265A (enrdf_load_stackoverflow)
JP (1) JPS5512006Y2 (enrdf_load_stackoverflow)
DE (1) DE2310550C3 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
CN111217263B (zh) * 2020-03-16 2025-04-04 江苏宏昌天马物流装备有限公司 一种臂架油缸顺序伸缩控制装置
US11999602B2 (en) * 2020-04-01 2024-06-04 Terex South Dakota, Inc. Boom assembly with translatable counterbalance mass

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1970-01-14 1975-09-17

Also Published As

Publication number Publication date
JPS5512006Y2 (enrdf_load_stackoverflow) 1980-03-15
US3871265A (en) 1975-03-18
DE2310550C3 (de) 1982-01-07
DE2310550B2 (de) 1981-04-23
DE2310550A1 (de) 1973-09-06

Similar Documents

Publication Publication Date Title
JPS4956269A (enrdf_load_stackoverflow)
FR2191329B1 (enrdf_load_stackoverflow)
JPS5214911B2 (enrdf_load_stackoverflow)
JPS4942299A (enrdf_load_stackoverflow)
JPS5512006Y2 (enrdf_load_stackoverflow)
FR2179620A1 (enrdf_load_stackoverflow)
JPS4896699A (enrdf_load_stackoverflow)
JPS4920028U (enrdf_load_stackoverflow)
JPS5222738Y2 (enrdf_load_stackoverflow)
JPS5329805B2 (enrdf_load_stackoverflow)
JPS4937483A (enrdf_load_stackoverflow)
JPS4965198U (enrdf_load_stackoverflow)
JPS4919742U (enrdf_load_stackoverflow)
CH571971A5 (enrdf_load_stackoverflow)
CH499873A4 (enrdf_load_stackoverflow)
CH560400A5 (enrdf_load_stackoverflow)
NL7310835A (enrdf_load_stackoverflow)
NL7314388A (enrdf_load_stackoverflow)
NL7316376A (enrdf_load_stackoverflow)
BG18725A1 (enrdf_load_stackoverflow)
CH583930B5 (enrdf_load_stackoverflow)
CH573920A5 (enrdf_load_stackoverflow)
CH572063A5 (enrdf_load_stackoverflow)
CH569188A5 (enrdf_load_stackoverflow)
CH571896A5 (enrdf_load_stackoverflow)