ES337980A2 - Perfeccionamientos en aguilones telescopicos, para gruas. - Google Patents

Perfeccionamientos en aguilones telescopicos, para gruas.

Info

Publication number
ES337980A2
ES337980A2 ES337980A ES337980A ES337980A2 ES 337980 A2 ES337980 A2 ES 337980A2 ES 337980 A ES337980 A ES 337980A ES 337980 A ES337980 A ES 337980A ES 337980 A2 ES337980 A2 ES 337980A2
Authority
ES
Spain
Prior art keywords
section
boom
housing
sections
ram
Prior art date
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
Application number
ES337980A
Other languages
English (en)
Spanish (es)
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.)
Grove Manufacturing Co
Original Assignee
Grove Manufacturing Co
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
Priority claimed from US446602A external-priority patent/US3243052A/en
Priority claimed from US534538A external-priority patent/US3315821A/en
Application filed by Grove Manufacturing Co filed Critical Grove Manufacturing Co
Publication of ES337980A2 publication Critical patent/ES337980A2/es
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Jib Cranes (AREA)
ES337980A 1965-04-08 1967-03-14 Perfeccionamientos en aguilones telescopicos, para gruas. Expired ES337980A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US446602A US3243052A (en) 1965-04-08 1965-04-08 Telescopic crane boom with longitudinally extending cylinder connector
US534538A US3315821A (en) 1966-03-15 1966-03-15 Four-section fully hydraulically operated boom

Publications (1)

Publication Number Publication Date
ES337980A2 true ES337980A2 (es) 1968-03-16

Family

ID=27034682

Family Applications (1)

Application Number Title Priority Date Filing Date
ES337980A Expired ES337980A2 (es) 1965-04-08 1967-03-14 Perfeccionamientos en aguilones telescopicos, para gruas.

Country Status (9)

Country Link
JP (1) JPS4835181B1 (fr)
BE (2) BE674945A (fr)
CH (2) CH467716A (fr)
DE (2) DE1263255B (fr)
DK (1) DK121778B (fr)
ES (1) ES337980A2 (fr)
GB (3) GB1128017A (fr)
NL (2) NL6600760A (fr)
SE (3) SE323778B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638185C3 (de) * 1976-08-25 1979-10-11 O & K Orenstein & Koppel Ag, 1000 Berlin Teleskopausleger für fahrbare Krane
JPS5591001U (fr) * 1978-12-19 1980-06-24
SE501102C2 (sv) * 1993-04-26 1994-11-14 Hiab Ab Förlängningsbar kranarm
JP6627898B2 (ja) * 2018-02-16 2020-01-08 株式会社タダノ クレーン
JP7445394B2 (ja) * 2018-06-04 2024-03-07 マニタウォック クレイン カンパニーズ， エルエルシー 回転式伸展及びロックシステムを有する伸縮ブーム
CN111873952B (zh) * 2020-08-13 2022-05-20 青岛中汽特种汽车有限公司 一种工程车辆支腿旋转固定与检测装置
CN112711139B (zh) * 2021-01-04 2023-04-11 业成科技（成都）有限公司 近眼显示装置及其光学系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571858A (en) * 1947-11-04 1951-10-16 Garland Crane Company Boom for light hoisting
US2746612A (en) * 1952-07-12 1956-05-22 Wirz Ernst Crane truck
FR1279493A (fr) * 1960-11-10 1961-12-22 Grue perfectionnée
US3112035A (en) * 1961-07-28 1963-11-26 Drott Mfg Corp Mobile crane
US3171545A (en) * 1962-12-03 1965-03-02 Drott Mfg Corp Three section telescoping crane boom

Also Published As

Publication number Publication date
GB1128017A (en) 1968-09-25
DE1481754A1 (de) 1969-06-04
DE1481754B2 (de) 1976-04-01
BE674945A (fr) 1966-07-11
BE695439A (fr) 1967-09-13
NL6600760A (fr) 1966-10-10
JPS4835181B1 (fr) 1973-10-26
DE1506519B1 (de) 1970-02-26
SE323778B (fr) 1970-05-11
CH463053A (de) 1968-09-30
GB1171714A (en) 1969-11-26
GB1128016A (en) 1968-09-25
NL6703903A (fr) 1967-09-18
DE1506519C2 (de) 1974-10-31
SE309660B (fr) 1969-03-31
CH467716A (de) 1969-01-31
DK121778B (da) 1971-11-29
DE1263255B (de) 1968-03-14
SE307831B (fr) 1969-01-20

Similar Documents

Publication Publication Date Title
US3243052A (en) Telescopic crane boom with longitudinally extending cylinder connector
US3112035A (en) Mobile crane
US3268090A (en) Articulated log skidder having a telescopic boom for throwing out the inhaul cable
US4226331A (en) Hydraulically actuated hoist for tractors having a conventional three point hitch
US6089388A (en) Mobile crane
US3366250A (en) Boom jib assembly
GB936208A (en) Vehicle unloading or loading devices
GB978765A (en) Improvements in or relating to slewing cranes
GB931739A (en) Boom stops for mobile cranes
US3478894A (en) Extensible and retractable boom construction for cranes
US3386594A (en) Method of and apparatus for extending a telescopic crane boom
EP1084984B1 (fr) Grue mobile, en particulier grue mobile de port, pour charges normales et lourdes
US3687323A (en) Tower crane with telescopic jib
ES337980A2 (es) Perfeccionamientos en aguilones telescopicos, para gruas.
US4310098A (en) Portable boom structure
GB1094732A (en) Load handling mechanism
GB971103A (en) Improvements in or relating to a towed crane with hinged telescopic mast
US2925922A (en) Traveling hydraulic crane structure
US4493426A (en) Attachment jib for cranes
US3171545A (en) Three section telescoping crane boom
US3399785A (en) Boom handling apparatus
GB1245900A (en) Mobile or transportable cranes
US2919107A (en) Folding boom
US2738884A (en) Folding gantry for cranes
US3933250A (en) Guy crane jib tip prop

Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170629