CA1023307A - Boom latch mechanism - Google Patents

Boom latch mechanism

Info

Publication number
CA1023307A
CA1023307A CA230,280A CA230280A CA1023307A CA 1023307 A CA1023307 A CA 1023307A CA 230280 A CA230280 A CA 230280A CA 1023307 A CA1023307 A CA 1023307A
Authority
CA
Canada
Prior art keywords
latch mechanism
boom latch
boom
latch
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
CA230,280A
Other languages
English (en)
Other versions
CA230280S (en
Inventor
Stanley R. Spain
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.)
Kidde Inc
Original Assignee
Walter Kidde and Co Inc
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 Walter Kidde and Co Inc filed Critical Walter Kidde and Co Inc
Application granted granted Critical
Publication of CA1023307A publication Critical patent/CA1023307A/en
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)
CA230,280A 1974-07-26 1975-06-26 Boom latch mechanism Expired CA1023307A (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 (1)

Publication Number Publication Date
CA1023307A true CA1023307A (en) 1977-12-27

Family

ID=23955611

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230,280A Expired CA1023307A (en) 1974-07-26 1975-06-26 Boom latch mechanism

Country Status (13)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926292A1 (de) * 1979-06-29 1981-01-08 Harnischfeger Gmbh Insbesondere mobiler teleskopauslegerkran
US4396126A (en) * 1980-11-24 1983-08-02 Harnischfeger Corporation Telescoping crane 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
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
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 (fr) * 1982-03-19 1985-12-06 Ppm Sa Fleche telescopique munie d'une allonge
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 (de) * 1996-07-24 2004-05-06 Terex-Demag Gmbh & Co. Kg Teleskopausleger, insbesondere für stationäre oder fahrbare Krane
DE19811813B4 (de) * 1998-03-18 2005-11-24 Grove U.S. LLC (n.d.Ges.d.Staates Delaware) Seitliche Auslegerverriegelung
DE19826924A1 (de) * 1998-06-17 1999-12-23 Grove Us Llc Auslegerfixierung mit Einstellzylinder
DE10022373B4 (de) * 2000-05-08 2005-11-24 Grove U.S. Llc Verriegelungs- und Betätigungseinheit für seitliche Auslegerverriegelung
DE10048224B4 (de) * 2000-09-21 2005-06-02 Terex-Demag Gmbh & Co. Kg Verriegelungseinheit für einen Teleskopausleger eines Krans
US7370904B2 (en) * 2006-03-21 2008-05-13 Mcneilus Truck And Manufacturing, Inc. Covering device for a vehicle container
DE102007052954B3 (de) * 2007-10-31 2009-07-09 Terex Demag Gmbh Kran mit Teleskopausleger
DE102009009944B4 (de) * 2009-02-20 2011-02-24 Terex-Demag Gmbh Sicherungs- und Verbolzungseinheit
CN103016742B (zh) * 2013-01-04 2015-04-22 四川日机密封件股份有限公司 耐高压机械密封装置
CN103738864B (zh) * 2013-12-19 2016-01-20 三一汽车起重机械有限公司 起重臂和起重机
US11117789B2 (en) * 2018-06-04 2021-09-14 Manitowoc Crane Companies, Llc Telescoping boom with rotary extension and locking system
WO2020204157A1 (ja) * 2019-04-04 2020-10-08 株式会社タダノ 作業機
JP2023066029A (ja) * 2021-10-28 2023-05-15 株式会社タダノ 作業機

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 (de) * 1967-12-22 1969-08-15 Warner Swasey Co Teleskopischer hydraulisch ausfahrbarer Ladebaum für einen Kran, und Verfahren zum Betrieb des Ladebaumes
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
JPS5117972U (ja) 1976-02-09
DE2528129A1 (de) 1976-02-05
PL117432B1 (en) 1981-08-31
ZA753335B (en) 1976-04-28
BR7504763A (pt) 1976-07-06
ES438294A1 (es) 1977-02-01
NL179803B (nl) 1986-06-16
FR2279656A1 (fr) 1976-02-20
DE2528129C2 (de) 1986-10-30
IT1033913B (it) 1979-08-10
US3921819A (en) 1975-11-25
JPS5624710Y2 (ja) 1981-06-10
GB1500580A (en) 1978-02-08
FR2279656B1 (ja) 1980-04-18
NL7507319A (nl) 1976-01-28
BE830788A (fr) 1975-12-29
AU8147375A (en) 1976-11-25
NL179803C (nl) 1986-11-17

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