NL179803B - LOCKING MECHANISM FOR A TELESCOPIC BOOM. - Google Patents

LOCKING MECHANISM FOR A TELESCOPIC BOOM.

Info

Publication number
NL179803B
NL179803B NLAANVRAGE7507319,A NL7507319A NL179803B NL 179803 B NL179803 B NL 179803B NL 7507319 A NL7507319 A NL 7507319A NL 179803 B NL179803 B NL 179803B
Authority
NL
Netherlands
Prior art keywords
locking mechanism
telescopic boom
boom
telescopic
locking
Prior art date
Application number
NLAANVRAGE7507319,A
Other languages
Dutch (nl)
Other versions
NL7507319A (en
NL179803C (en
Original Assignee
Kidde & Co Walter
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 by Kidde & Co Walter filed Critical Kidde & Co Walter
Publication of NL7507319A publication Critical patent/NL7507319A/en
Publication of NL179803B publication Critical patent/NL179803B/en
Application granted granted Critical
Publication of NL179803C publication Critical patent/NL179803C/en

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)
NLAANVRAGE7507319,A 1974-07-26 1975-06-19 LOCKING MECHANISM FOR A TELESCOPIC BOOM. NL179803C (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 (3)

Publication Number Publication Date
NL7507319A NL7507319A (en) 1976-01-28
NL179803B true NL179803B (en) 1986-06-16
NL179803C NL179803C (en) 1986-11-17

Family

ID=23955611

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7507319,A NL179803C (en) 1974-07-26 1975-06-19 LOCKING MECHANISM FOR A TELESCOPIC BOOM.

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)

Families Citing this family (25)

* 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
US4514939A (en) * 1981-08-17 1985-05-07 Fmc Corporation Extensible boom with manual section stored in base
US4492311A (en) * 1981-08-17 1985-01-08 Fmc Corporation Coupling and latching mechanism for extensible boom
US4592474A (en) * 1981-08-17 1986-06-03 Fmc Corporation Coupling and latching mechanism for extensible boom
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
US4664272A (en) * 1981-11-05 1987-05-12 Kidde, Inc. Telescoping crane boom with locking and indicator means
US4635805A (en) * 1981-11-05 1987-01-13 Kidde, Inc. Crane boom locking pin insertion indicator and actuator 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
EP3950564A4 (en) * 2019-04-04 2023-01-04 Tadano Ltd. Work machine
JP2023066029A (en) * 2021-10-28 2023-05-15 株式会社タダノ work machine

Family Cites Families (7)

* 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
US3795321A (en) * 1972-05-18 1974-03-05 Harnischfeger Corp Telescoping crane boom
US3842985A (en) * 1972-12-15 1974-10-22 Harnischfeger Corp Means for extending and retracting crane boom section

Also Published As

Publication number Publication date
JPS5624710Y2 (en) 1981-06-10
DE2528129C2 (en) 1986-10-30
ES438294A1 (en) 1977-02-01
BE830788A (en) 1975-12-29
FR2279656A1 (en) 1976-02-20
BR7504763A (en) 1976-07-06
FR2279656B1 (en) 1980-04-18
US3921819A (en) 1975-11-25
NL7507319A (en) 1976-01-28
CA1023307A (en) 1977-12-27
GB1500580A (en) 1978-02-08
IT1033913B (en) 1979-08-10
NL179803C (en) 1986-11-17
DE2528129A1 (en) 1976-02-05
AU8147375A (en) 1976-11-25
JPS5117972U (en) 1976-02-09
ZA753335B (en) 1976-04-28
PL117432B1 (en) 1981-08-31

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee