JPS57117496A - Extensible crane boom - Google Patents

Extensible crane boom

Info

Publication number
JPS57117496A
JPS57117496A JP18707381A JP18707381A JPS57117496A JP S57117496 A JPS57117496 A JP S57117496A JP 18707381 A JP18707381 A JP 18707381A JP 18707381 A JP18707381 A JP 18707381A JP S57117496 A JPS57117496 A JP S57117496A
Authority
JP
Japan
Prior art keywords
crane boom
extensible crane
extensible
boom
crane
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.)
Pending
Application number
JP18707381A
Other languages
English (en)
Inventor
Morabetsuku Debitsudo
Baaku Renbitsuto
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.)
Harnischfeger Corp
Original Assignee
Harnischfeger Corp
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 Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of JPS57117496A publication Critical patent/JPS57117496A/ja
Pending 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
    • B66C23/706—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by other means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
JP18707381A 1980-11-24 1981-11-24 Extensible crane boom Pending JPS57117496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/209,654 US4396126A (en) 1980-11-24 1980-11-24 Telescoping crane boom

Publications (1)

Publication Number Publication Date
JPS57117496A true JPS57117496A (en) 1982-07-21

Family

ID=22779680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18707381A Pending JPS57117496A (en) 1980-11-24 1981-11-24 Extensible crane boom

Country Status (4)

Country Link
US (1) US4396126A (ja)
JP (1) JPS57117496A (ja)
CA (1) CA1170221A (ja)
DE (1) DE3146311A1 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573588A (en) * 1983-05-26 1986-03-04 Cohen Michael A Video shelving
US4688690A (en) * 1986-03-07 1987-08-25 Harnischfeger Corporation Method and apparatus for extending fly section of crane boom
DE4018222A1 (de) * 1990-06-07 1991-12-12 Krupp Industrietech Teleskopausleger mit kupplungsvorrichtung fuer ausschiebeanordnung
EP0488990A1 (de) * 1992-02-01 1992-06-03 Krupp Industrietechnik Gmbh Teleskopierbarer Ausleger mit Einspindel-Antrieb
US5810292A (en) * 1996-07-24 1998-09-22 Sargent Fletcher, Inc. Aerial refueling system with telescoping refueling probe
US6026970A (en) * 1999-03-11 2000-02-22 Par Systems, Inc. Telescoping tube assembly
DE10022373B4 (de) * 2000-05-08 2005-11-24 Grove U.S. Llc Verriegelungs- und Betätigungseinheit für seitliche Auslegerverriegelung
US6435805B1 (en) * 2000-05-19 2002-08-20 Barry Smith Tire manipulator for mine service vehicles
DE10048224B4 (de) * 2000-09-21 2005-06-02 Terex-Demag Gmbh & Co. Kg Verriegelungseinheit für einen Teleskopausleger eines Krans
US6435048B1 (en) * 2001-02-02 2002-08-20 Suspa Incorporated Multi-leg telescopic linear actuator
US6499612B1 (en) 2001-07-27 2002-12-31 Link-Belt Construction Equipment Co., L.P., Lllp Telescoping boom assembly with rounded profile sections and interchangeable wear pads
CN104444861A (zh) * 2014-12-10 2015-03-25 郑敏 一种可调速伸缩臂
US9937968B2 (en) 2015-07-13 2018-04-10 Michael Goren Stackable vehicle
US10202141B2 (en) 2015-07-13 2019-02-12 Hurdler Motors Vehicle, vehicle drive assembly and vehicle steering assembly
US10894699B2 (en) * 2017-08-31 2021-01-19 Stellar Industries, Inc. Lightweight crane
DE102020129762B3 (de) 2020-11-11 2022-02-17 Tadano Demag Gmbh Teleskopausleger eines Mobilkrans

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275750A (en) * 1975-12-15 1977-06-25 Clark Equipment Co Extendable means for crane telescopic assembly
JPS5449948A (en) * 1977-09-28 1979-04-19 Mitsubishi Heavy Ind Ltd Preventing method for interstitial corrosion between heating tube and tube plate

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US191699A (en) * 1877-06-05 Improvement in barrel-covers
US3174634A (en) * 1961-02-08 1965-03-23 U S Ind Inc Engineering Ltd Telescopic multi-purpose lifting unit
FR2041641A6 (ja) * 1969-05-12 1971-01-29 Potain Sa
US3620579A (en) * 1969-06-13 1971-11-16 American Hoist & Derrick Co Extensible boom assembly
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
US3921819A (en) * 1974-07-26 1975-11-25 Kidde & Co Walter Boom latch mechanism
US4016688A (en) * 1975-05-27 1977-04-12 Fmc Corporation Extensible crane boom structure
DE2633022B1 (de) * 1976-07-22 1977-12-29 Krupp Gmbh Teleskopier-antriebs-einrichtung eines teleskopauslegers
US4134236A (en) * 1976-11-26 1979-01-16 Clark Equipment Company Side shoe assembly for a crane boom
US4337868A (en) * 1980-02-19 1982-07-06 Harnischfeger Corporation Telescopic crane boom having rotatable extend/retract screws
DE3011869A1 (de) * 1980-03-27 1981-10-01 Leo Gottwald KG, 4000 Düsseldorf Teleskopausleger fuer krane

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275750A (en) * 1975-12-15 1977-06-25 Clark Equipment Co Extendable means for crane telescopic assembly
JPS5449948A (en) * 1977-09-28 1979-04-19 Mitsubishi Heavy Ind Ltd Preventing method for interstitial corrosion between heating tube and tube plate

Also Published As

Publication number Publication date
US4396126A (en) 1983-08-02
CA1170221A (en) 1984-07-03
DE3146311C2 (ja) 1989-10-26
DE3146311A1 (de) 1982-06-16

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