NL157576B - Telescopic crane arm. - Google Patents

Telescopic crane arm.


Publication number
NL157576B NL7104105A NL7104105A NL157576B NL 157576 B NL157576 B NL 157576B NL 7104105 A NL7104105 A NL 7104105A NL 7104105 A NL7104105 A NL 7104105A NL 157576 B NL157576 B NL 157576B
Prior art keywords
crane arm
telescopic crane
Prior art date
Application number
Other languages
Dutch (nl)
Other versions
NL7104105A (en
NL157576C (en
Original Assignee
Grove Mfg 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
Family has litigation
Priority to US7588670A priority Critical
Application filed by Grove Mfg Co filed Critical Grove Mfg Co
Publication of NL7104105A publication Critical patent/NL7104105A/xx
Publication of NL157576B publication Critical patent/NL157576B/en
First worldwide family litigation filed litigation Critical "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application granted granted Critical
Publication of NL157576C publication Critical patent/NL157576C/en



    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/64Jibs
    • B66C23/70Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
NL7104105A 1970-09-28 1971-03-26 Crane with a supported telescopic arm. NL157576C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US7588670A true 1970-09-28 1970-09-28

Publications (3)

Publication Number Publication Date
NL7104105A NL7104105A (en) 1972-03-30
NL157576B true NL157576B (en) 1978-08-15
NL157576C NL157576C (en) 1981-10-16



Family Applications (1)

Application Number Title Priority Date Filing Date
NL7104105A NL157576C (en) 1970-09-28 1971-03-26 Crane with a supported telescopic arm.

Country Status (9)

Country Link
US (1) US3708937A (en)
BE (1) BE764815A (en)
CA (1) CA934330A (en)
DE (1) DE2114501B2 (en)
ES (1) ES202409Y (en)
FR (1) FR2108227B1 (en)
GB (1) GB1292020A (en)
NL (1) NL157576C (en)
ZA (1) ZA7101696B (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807108A (en) * 1972-09-18 1974-04-30 Harnischfeger Corp Structural design of boom section with inverted {37 a{38 {11 frame cross-section
US3804262A (en) * 1972-09-18 1974-04-16 Harnischfeger Corp Telescopic boom
FR2255251B1 (en) * 1973-12-20 1976-11-19 Creusot Loire
US3890757A (en) * 1974-02-28 1975-06-24 Case Co J I Boom members having stiffener elements for crane boom constructions
US4016688A (en) * 1975-05-27 1977-04-12 Fmc Corporation Extensible crane boom structure
US4003168A (en) * 1975-06-27 1977-01-18 Walter Kidde & Company, Inc. Crane boom of trapezoidal boom sections having reinforcing rings
GB1564509A (en) * 1976-01-29 1980-04-10 Coles Cranes Ltd Octagonal crane boom
US4171597A (en) * 1976-01-29 1979-10-23 Coles Cranes Limited Crane boom and telescopic section for it
US4112649A (en) * 1977-08-26 1978-09-12 Harnischfeger Corporation Boom section for telescopic crane boom
US4168008A (en) * 1978-02-23 1979-09-18 Granryd Tod G Telescopic crane boom having corrugated boom sections
US4257201A (en) * 1979-04-19 1981-03-24 American Hoist & Derrick Company Self-centering telescoping beams
US4417424A (en) * 1980-01-07 1983-11-29 Jacobson Darwin J Segmented extendible boom
US4478014A (en) * 1981-12-14 1984-10-23 Fmc Corporation Telescopic boom with angled corner construction
DD215518A5 (en) * 1982-10-27 1984-11-14 Fuchs Fa Johannes Boilers for hoists, especially lifts, excavators or the like
US4550787A (en) * 1983-07-05 1985-11-05 Alexander Stefan Earth boring machine and working crane
DE3713152C1 (en) * 1987-04-15 1988-04-21 Mannesmann Ag Box-type telescoping crane jib
JP3404399B2 (en) * 1993-07-30 2003-05-06 ピーエイアール・システムス・インコーポレーテッド Telescopic tube that can be extended vertically
US5762467A (en) * 1996-04-26 1998-06-09 Par Systems, Inc. Underground storage tank manipulator
KR100652319B1 (en) * 1997-07-15 2006-11-29 가부시키가이샤 고마쓰 세이사쿠쇼 Structure for working unit for bucket excavators and method for manufacturing the same
US6561368B1 (en) 2000-05-01 2003-05-13 Par Systems, Inc. Telescoping tube assembly with a cabling system
US20020045172A1 (en) * 2000-06-30 2002-04-18 Sturm Albert J. Segmented support structure and method and fixture for making the same
US7226393B2 (en) * 2001-01-19 2007-06-05 Nautilus, Inc. Exercise bicycle
US6726437B2 (en) 2002-02-08 2004-04-27 Clark Equipment Company Telescoping loader lift arm
US20030171191A1 (en) * 2002-03-06 2003-09-11 Nautilus, Inc. Exercise bicycle handlebar
GB2387373A (en) * 2002-04-12 2003-10-15 Bamford Excavators Ltd Composite boom for a load handling machine
US20060010689A1 (en) * 2004-07-14 2006-01-19 Ali Salour Automated drill process for two-diameter holes in multi-layer variable thickness composite materials
US7424943B2 (en) * 2005-10-20 2008-09-16 Superior Industries, Llc Portable low profile drive-over truck dump conveyor system
US20070098536A1 (en) * 2005-10-31 2007-05-03 Kooima Roger D Extendable telescoping boom and method of manufacturing
US7624967B1 (en) 2006-04-19 2009-12-01 Par Systems, Inc. Opposed-rope hoist driven telescoping mast
US20080035010A1 (en) * 2006-08-14 2008-02-14 Mckay Douglas Mcgregor Trapezoidal strong back beam system
US7284947B1 (en) * 2006-10-26 2007-10-23 Superior Industries, L.L.C. Braced telescoping support strut and system
JP2011504440A (en) * 2007-11-22 2011-02-10 グローバル トラック テクノロジーズ ピーティーワイ リミテッド Lift assembly including trapezoidal strong back beam system
EP2405978A4 (en) * 2009-03-13 2015-08-05 Nautilus Inc Exercise bike
USD624612S1 (en) 2009-10-21 2010-09-28 Nautilus, Inc. Exercise bike
US8245456B2 (en) * 2010-10-19 2012-08-21 Ed Anderson Boom assembly
US8678210B1 (en) 2010-11-17 2014-03-25 Link-Belt Construction Equipment Co., L.P., Lllp Telescoping boom assembly with base section having primary shell and secondary formed shell
US9033165B2 (en) 2011-02-09 2015-05-19 Oshkosh Corporation Crane assembly
US9290363B2 (en) * 2011-07-21 2016-03-22 Manitowoc Crane Companies, Llc Tailor welded panel beam for construction machine and method of manufacturing
DE102014014038A1 (en) * 2014-09-26 2016-03-31 Putzmeister Engineering Gmbh Support leg and support structure for a working machine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA644753A (en) * 1962-07-17 Gester Kurt Steel joist
US3124223A (en) * 1964-03-10 Klsovec
DE1009373B (en) * 1953-05-11 1957-05-29 Walter Alfred Golka Telescopic boom
US3055459A (en) * 1956-01-23 1962-09-25 Los Altos Engineering Co Lifting equipment
FR1171016A (en) * 1957-04-09 1959-01-21 scaffolding
US3088562A (en) * 1959-05-20 1963-05-07 Thomas Hoist Company Extensible and contractible joist
US3154199A (en) * 1962-09-04 1964-10-27 Mccabe Powers Body Company Single boom derrick units
US3300060A (en) * 1965-02-03 1967-01-24 Pettibone Mulliken Corp Booms with sequential hydraulic extension
US3243052A (en) * 1965-04-08 1966-03-29 Grove Mfg Co Telescopic crane boom with longitudinally extending cylinder connector
US3315821A (en) * 1966-03-15 1967-04-25 Grove Mfg Co Four-section fully hydraulically operated boom
FR1492931A (en) * 1966-05-11 1967-08-25 Telescopic boom crane
US3398645A (en) * 1966-11-30 1968-08-27 Nat Crane Corp Multiple extension apparatus
US3398492A (en) * 1966-12-21 1968-08-27 Nat Crane Corp Extendable boom
US3516553A (en) * 1968-09-25 1970-06-23 Tel E Lect Boom construction

Also Published As

Publication number Publication date
NL157576C (en) 1981-10-16
DE2114501B2 (en) 1973-10-31
FR2108227A1 (en) 1972-05-19
FR2108227B1 (en) 1975-04-18
NL7104105A (en) 1972-03-30
BE764815A1 (en)
CA934330A (en) 1973-09-25
ES202409Y (en) 1976-03-01
ZA7101696B (en) 1971-12-29
CA934330A1 (en)
BE764815A (en) 1971-08-16
DE2114501A1 (en) 1972-03-30
ES202409U (en) 1975-11-16
US3708937A (en) 1973-01-09
GB1292020A (en) 1972-10-11

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Legal Events

Date Code Title Description
P2G Not automatically granted patents, but text of patent specification is modified with respect to the text of examined patent ap
V4 Lapsed because of reaching the maxim lifetime of a patent