JPS5117972U - - Google Patents

Info

Publication number
JPS5117972U
JPS5117972U JP1975083695U JP8369575U JPS5117972U JP S5117972 U JPS5117972 U JP S5117972U JP 1975083695 U JP1975083695 U JP 1975083695U JP 8369575 U JP8369575 U JP 8369575U JP S5117972 U JPS5117972 U JP S5117972U
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
JP1975083695U
Other languages
Japanese (ja)
Other versions
JPS5624710Y2 (en
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
Publication of JPS5117972U publication Critical patent/JPS5117972U/ja
Application granted granted Critical
Publication of JPS5624710Y2 publication Critical patent/JPS5624710Y2/ja
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
    • B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32467—Telescoping members
    • Y10T403/32516—Remotely actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
JP1975083695U 1974-07-26 1975-06-20 Expired JPS5624710Y2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US492265A US3921819A (en) 1974-07-26 1974-07-26 Boom latch mechanism

Publications (2)

Publication Number Publication Date
JPS5117972U true JPS5117972U (en) 1976-02-09
JPS5624710Y2 JPS5624710Y2 (en) 1981-06-10

Family

ID=23955611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1975083695U Expired JPS5624710Y2 (en) 1974-07-26 1975-06-20

Country Status (13)

Country Link
US (1) US3921819A (en)
JP (1) JPS5624710Y2 (en)
BE (1) BE830788A (en)
BR (1) BR7504763A (en)
CA (1) CA1023307A (en)
DE (1) DE2528129C2 (en)
ES (1) ES438294A1 (en)
FR (1) FR2279656A1 (en)
GB (1) GB1500580A (en)
IT (1) IT1033913B (en)
NL (1) NL179803C (en)
PL (1) PL117432B1 (en)
ZA (1) ZA753335B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023074688A1 (en) * 2021-10-28 2023-05-04 株式会社タダノ Work machine

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926292A1 (en) * 1979-06-29 1981-01-08 Harnischfeger Gmbh PARTICULARLY MOBILE TELESCOPIC BOOM CRANE
US4396126A (en) * 1980-11-24 1983-08-02 Harnischfeger Corporation Telescoping crane boom
US4592474A (en) * 1981-08-17 1986-06-03 Fmc Corporation Coupling and latching mechanism for extensible boom
US4492311A (en) * 1981-08-17 1985-01-08 Fmc Corporation Coupling and latching mechanism for extensible boom
US4514939A (en) * 1981-08-17 1985-05-07 Fmc Corporation Extensible boom with manual section stored in base
US4433515A (en) * 1981-11-04 1984-02-28 Kidde, Inc. Remotely operable latch and locking pin for a multi-section boom including a manual fly section
US4635805A (en) * 1981-11-05 1987-01-13 Kidde, Inc. Crane boom locking pin insertion indicator and actuator means
US4664272A (en) * 1981-11-05 1987-05-12 Kidde, Inc. Telescoping crane boom with locking and indicator means
FR2523565B1 (en) * 1982-03-19 1985-12-06 Ppm Sa TELESCOPIC BOOM WITH AN EXTENSION
US4585132A (en) * 1984-09-10 1986-04-29 Fmc Corporation Extensible boom with manual section stored in base
US4688690A (en) * 1986-03-07 1987-08-25 Harnischfeger Corporation Method and apparatus for extending fly section of crane boom
US5609261A (en) * 1995-09-19 1997-03-11 Hydra Tech, Inc. Pivotable boom rest and latch
DE19631547B4 (en) * 1996-07-24 2004-05-06 Terex-Demag Gmbh & Co. Kg Telescopic boom, especially for stationary or mobile cranes
DE19811813B4 (en) * 1998-03-18 2005-11-24 Grove U.S. LLC (n.d.Ges.d.Staates Delaware) Lateral boom interlock
DE19826924A1 (en) * 1998-06-17 1999-12-23 Grove Us Llc Boom fixation with adjusting cylinder
DE10022373B4 (en) * 2000-05-08 2005-11-24 Grove U.S. Llc Locking and operating unit for side arm lock
DE10048224B4 (en) * 2000-09-21 2005-06-02 Terex-Demag Gmbh & Co. Kg Locking unit for a telescopic boom of a crane
US7370904B2 (en) * 2006-03-21 2008-05-13 Mcneilus Truck And Manufacturing, Inc. Covering device for a vehicle container
DE102007052954B3 (en) * 2007-10-31 2009-07-09 Terex Demag Gmbh Crane with telescopic boom
DE102009009944B4 (en) * 2009-02-20 2011-02-24 Terex-Demag Gmbh Securing and bolting unit
CN103016742B (en) * 2013-01-04 2015-04-22 四川日机密封件股份有限公司 High-pressure-resistant mechanical sealing device
CN103738864B (en) * 2013-12-19 2016-01-20 三一汽车起重机械有限公司 Crane arm and hoisting crane
JP7445394B2 (en) * 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 Telescopic boom with rotary extension and locking system
WO2020204157A1 (en) * 2019-04-04 2020-10-08 株式会社タダノ Work machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4955048A (en) * 1972-05-18 1974-05-28

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961837A (en) * 1956-09-28 1960-11-29 Delong Corp Supporting leg assembly for marine platform
US3243052A (en) * 1965-04-08 1966-03-29 Grove Mfg Co Telescopic crane boom with longitudinally extending cylinder connector
US3474833A (en) * 1966-08-26 1969-10-28 Armed Forces Equipment Dev Cor Telescoping tube assembly
US3398645A (en) * 1966-11-30 1968-08-27 Nat Crane Corp Multiple extension apparatus
CH476625A (en) * 1967-12-22 1969-08-15 Warner Swasey Co Telescopic, hydraulically extendable loading boom for a crane, and method for operating the loading boom
US3842985A (en) * 1972-12-15 1974-10-22 Harnischfeger Corp Means for extending and retracting crane boom section

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4955048A (en) * 1972-05-18 1974-05-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023074688A1 (en) * 2021-10-28 2023-05-04 株式会社タダノ Work machine

Also Published As

Publication number Publication date
FR2279656B1 (en) 1980-04-18
ZA753335B (en) 1976-04-28
PL117432B1 (en) 1981-08-31
JPS5624710Y2 (en) 1981-06-10
NL179803B (en) 1986-06-16
IT1033913B (en) 1979-08-10
NL179803C (en) 1986-11-17
DE2528129C2 (en) 1986-10-30
FR2279656A1 (en) 1976-02-20
ES438294A1 (en) 1977-02-01
US3921819A (en) 1975-11-25
BE830788A (en) 1975-12-29
CA1023307A (en) 1977-12-27
BR7504763A (en) 1976-07-06
NL7507319A (en) 1976-01-28
DE2528129A1 (en) 1976-02-05
GB1500580A (en) 1978-02-08
AU8147375A (en) 1976-11-25

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