ZA782741B - Multi-section lifting boom - Google Patents

Multi-section lifting boom

Info

Publication number: ZA782741B
Authority: ZA; South Africa
Prior art keywords: lifting boom; section lifting; section; boom; lifting
Prior art date: 1977-05-12

Application number

ZA00782741A

Other languages

English (en)

Inventor

J Grove

Original Assignee

Jlg Ind 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.)

1977-05-12

Filing date

1978-05-12

Publication date

1979-07-25

1978-05-12 Application filed by Jlg Ind Inc filed Critical Jlg Ind Inc

1979-07-25 Publication of ZA782741B publication Critical patent/ZA782741B/xx

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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Jib Cranes (AREA)
Actuator (AREA)
Forklifts And Lifting Vehicles (AREA)

ZA00782741A 1977-05-12 1978-05-12 Multi-section lifting boom ZA782741B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/796,381 US4132040A (en)	1977-05-12	1977-05-12	Multi-section lifting boom

Publications (1)

Publication Number	Publication Date
ZA782741B true ZA782741B (en)	1979-07-25

Family

ID=25168071

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA00782741A ZA782741B (en)	1977-05-12	1978-05-12	Multi-section lifting boom

Country Status (14)

Country	Link
US (1)	US4132040A (nl)
JP (1)	JPS53140754A (nl)
AR (1)	AR215179A1 (nl)
AU (1)	AU520031B2 (nl)
BE (1)	BE866982A (nl)
BR (1)	BR7802918A (nl)
CA (1)	CA1088465A (nl)
DE (1)	DE2820663A1 (nl)
FR (1)	FR2390368A1 (nl)
GB (2)	GB1583423A (nl)
IT (1)	IT1094579B (nl)
NL (1)	NL7805112A (nl)
SE (1)	SE424306B (nl)
ZA (1)	ZA782741B (nl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4258853A (en) *	1978-04-24	1981-03-31	Caterpillar Tractor Co.	Extensible boom for cranes
JPS55117480U (nl) *	1979-02-06	1980-08-19
US4514939A (en) *	1981-08-17	1985-05-07	Fmc Corporation	Extensible boom with manual section stored in base
NZ199082A (en) *	1981-11-26	1986-05-09	New Zealand Dev Finance	Gantry crane:linear hydraulic motors in support structure provide traverse and fleet
US4585132A (en) *	1984-09-10	1986-04-29	Fmc Corporation	Extensible boom with manual section stored in base
US5191828A (en) *	1992-06-18	1993-03-09	Mccreery Robert B	Telescopic cylinder with increased lateral loading capacity
JP2828781B2 (ja) *	1993-12-08	1998-11-25	エーツェーエンジニアリングウントコンサルティングシュペツィアルマシーネンゲゼルシャフトミットベシュレンクテルハフツンク	多段式油圧シリンダによる入れ子式ブーム
AT403041B (de) *	1994-02-25	1997-10-27	Zimmermann Horst	Teleskopierstab
FR2739093B1 (fr) *	1995-09-21	1999-11-26	Jurgen Michael Knapp	Colonne de levage
US5718087A (en) *	1996-05-02	1998-02-17	The Will-Burt Company	Telescoping mast assembly
DE19921104A1 (de) *	1999-05-04	2000-11-16	Mannesmann Ag	Teleskopausleger für Krane
US20090057636A1 (en) *	2007-08-31	2009-03-05	Tait Towers Inc.	Portable lift device and system
US9791071B2 (en)	2013-03-07	2017-10-17	Oshkosh Corporation	Internally supported power track
KR102140188B1 (ko) *	2019-01-29	2020-07-31	전주대학교 산학협력단	다단식 붐대의 지지장치

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1122682B (de) *	1959-05-14	1962-01-25	Steinbock G M B H	Ausziehbarer Kranarm
GB1157089A (en) *	1965-10-13	1969-07-02	Vickers Ltd	Improvements relating to High Pressure Intensifiers
US3353686A (en) *	1966-09-12	1967-11-21	Hy Dynamic Co	Crane boom
JPS4836028B1 (nl) *	1969-08-21	1973-11-01
DE2046652A1 (de) *	1969-10-03	1971-04-15	Eisengiesserei U Maschinenfabr	Teleskopausleger
US3616728A (en) *	1969-12-05	1971-11-02	Tel E Lect	Actuator mounting assembly for telescopic parts
US3836011A (en) *	1970-01-31	1974-09-17	T Sakamoto	Extensible boom
DE2018926C2 (de) *	1970-01-31	1982-07-08	Tadano Ironworks Co.Ltd., Takamatsu	Teleskopausleger für einen Kran
US3792555A (en) *	1971-04-08	1974-02-19	Kidde & Co Walter	Five section full powered telescopic crane boom
US3796016A (en) *	1971-11-26	1974-03-12	Cascade Corp	Extensible material handling boom
JPS4875371U (nl) *	1971-12-15	1973-09-19
JPS5225786Y2 (nl) *	1972-10-26	1977-06-11
US3842985A (en) *	1972-12-15	1974-10-22	Harnischfeger Corp	Means for extending and retracting crane boom section
US3837502A (en) *	1973-03-12	1974-09-24	Bucyrus Erie Co	Light weight boom construction
US3889818A (en) *	1973-09-21	1975-06-17	Carl G Wennerstrom	Extensible crane
JPS5728869Y2 (nl) *	1973-10-09	1982-06-23
US4016688A (en) *	1975-05-27	1977-04-12	Fmc Corporation	Extensible crane boom structure

1977
- 1977-05-12 US US05/796,381 patent/US4132040A/en not_active Expired - Lifetime
1978
- 1978-05-04 GB GB29641/79A patent/GB1583423A/en not_active Expired
- 1978-05-04 GB GB29334/79A patent/GB1583422A/en not_active Expired
- 1978-05-04 AU AU35750/78A patent/AU520031B2/en not_active Expired
- 1978-05-09 IT IT23174/78A patent/IT1094579B/it active
- 1978-05-09 BR BR7802918A patent/BR7802918A/pt unknown
- 1978-05-11 JP JP5645878A patent/JPS53140754A/ja active Granted
- 1978-05-11 NL NL7805112A patent/NL7805112A/nl not_active Application Discontinuation
- 1978-05-11 DE DE19782820663 patent/DE2820663A1/de not_active Withdrawn
- 1978-05-11 FR FR7814078A patent/FR2390368A1/fr active Granted
- 1978-05-11 SE SE7805390A patent/SE424306B/sv unknown
- 1978-05-12 CA CA303,198A patent/CA1088465A/en not_active Expired
- 1978-05-12 ZA ZA00782741A patent/ZA782741B/xx unknown
- 1978-05-12 BE BE2056962A patent/BE866982A/nl not_active IP Right Cessation
- 1978-05-12 AR AR272160A patent/AR215179A1/es active

Also Published As

Publication number	Publication date
GB1583422A (en)	1981-01-28
JPS53140754A (en)	1978-12-08
BR7802918A (pt)	1978-12-26
NL7805112A (nl)	1978-11-14
FR2390368A1 (fr)	1978-12-08
AU3575078A (en)	1979-11-08
DE2820663A1 (de)	1978-11-23
FR2390368B1 (nl)	1985-05-10
AU520031B2 (en)	1982-01-14
CA1088465A (en)	1980-10-28
JPS5716070B2 (nl)	1982-04-02
AR215179A1 (es)	1979-09-14
IT1094579B (it)	1985-08-02
IT7823174A0 (it)	1978-05-09
BE866982A (nl)	1978-09-01
SE424306B (sv)	1982-07-12
SE7805390L (sv)	1978-11-13
GB1583423A (en)	1981-01-28
US4132040A (en)	1979-01-02

Publication	Publication Date	Title
GB2008535B (en)	1982-05-19	Telescopic cranes
SE406037B (sv)	1979-01-22	Lyftredskap
JPS5475747A (en)	1979-06-16	Crane
JPS5420560A (en)	1979-02-16	Crane
GB2003114B (en)	1982-04-07	Boom section for telescopic crane boom
GB1550072A (en)	1979-08-08	Telescopic boom
FR2403967B1 (fr)	1985-07-05	Grue de levage
GB2000227B (en)	1982-02-24	Hydraulic lifting device
GB2091679B (en)	1983-03-16	Extensible boom
JPS53104953A (en)	1978-09-12	Crane construction
GB2092098B (en)	1983-03-16	Telscoping boom arrangement
ZA782741B (en)	1979-07-25	Multi-section lifting boom
NL7807711A (nl)	1979-01-24	Hefkraan.
ZA782905B (en)	1979-06-27	Hydraulic hoisting
JPS53121358A (en)	1978-10-23	Crane boom
GB2011347B (en)	1982-03-31	Crane with telescopic jib
BR7807852A (pt)	1979-07-31	Aparelho elevador
GR64092B (en)	1980-01-22	Horizontal slewing crane
IT1099632B (it)	1985-09-18	Apparecchiatura di sollevamento
JPS52105451A (en)	1977-09-03	Crane telescopic boom section
GB2009705B (en)	1982-04-15	Grapples
GB2062960B (en)	1983-09-28	Telescopic boom
GB1545016A (en)	1979-05-02	Lifting devices
GB2005222B (en)	1982-03-24	Crane
GB2003109B (en)	1982-05-26	Gantry crane