ZA782741B - Multi-section lifting boom - Google Patents
Multi-section lifting boomInfo
- Publication number
- ZA782741B ZA782741B ZA00782741A ZA782741A ZA782741B ZA 782741 B ZA782741 B ZA 782741B ZA 00782741 A ZA00782741 A ZA 00782741A ZA 782741 A ZA782741 A ZA 782741A ZA 782741 B ZA782741 B ZA 782741B
- Authority
- ZA
- South Africa
- Prior art keywords
- lifting boom
- section lifting
- section
- boom
- lifting
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Actuator (AREA)
- Forklifts And Lifting Vehicles (AREA)
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 (xx) |
JP (1) | JPS53140754A (xx) |
AR (1) | AR215179A1 (xx) |
AU (1) | AU520031B2 (xx) |
BE (1) | BE866982A (xx) |
BR (1) | BR7802918A (xx) |
CA (1) | CA1088465A (xx) |
DE (1) | DE2820663A1 (xx) |
FR (1) | FR2390368A1 (xx) |
GB (2) | GB1583423A (xx) |
IT (1) | IT1094579B (xx) |
NL (1) | NL7805112A (xx) |
SE (1) | SE424306B (xx) |
ZA (1) | ZA782741B (xx) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4258853A (en) * | 1978-04-24 | 1981-03-31 | Caterpillar Tractor Co. | Extensible boom for cranes |
JPS55117480U (xx) * | 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)
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 (xx) * | 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 |
DE2018926C2 (de) * | 1970-01-31 | 1982-07-08 | Tadano Ironworks Co.Ltd., Takamatsu | Teleskopausleger für einen Kran |
US3836011A (en) * | 1970-01-31 | 1974-09-17 | T Sakamoto | Extensible boom |
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 (xx) * | 1971-12-15 | 1973-09-19 | ||
JPS5225786Y2 (xx) * | 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 (xx) * | 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 AU AU35750/78A patent/AU520031B2/en not_active Expired
- 1978-05-04 GB GB29334/79A patent/GB1583422A/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 NL NL7805112A patent/NL7805112A/xx not_active Application Discontinuation
- 1978-05-11 DE DE19782820663 patent/DE2820663A1/de not_active Withdrawn
- 1978-05-11 JP JP5645878A patent/JPS53140754A/ja active Granted
- 1978-05-11 SE SE7805390A patent/SE424306B/sv unknown
- 1978-05-11 FR FR7814078A patent/FR2390368A1/fr active Granted
- 1978-05-12 ZA ZA00782741A patent/ZA782741B/xx unknown
- 1978-05-12 BE BE2056962A patent/BE866982A/xx not_active IP Right Cessation
- 1978-05-12 CA CA303,198A patent/CA1088465A/en not_active Expired
- 1978-05-12 AR AR272160A patent/AR215179A1/es active
Also Published As
Publication number | Publication date |
---|---|
GB1583423A (en) | 1981-01-28 |
FR2390368B1 (xx) | 1985-05-10 |
US4132040A (en) | 1979-01-02 |
IT7823174A0 (it) | 1978-05-09 |
GB1583422A (en) | 1981-01-28 |
BE866982A (nl) | 1978-09-01 |
IT1094579B (it) | 1985-08-02 |
NL7805112A (nl) | 1978-11-14 |
FR2390368A1 (fr) | 1978-12-08 |
JPS5716070B2 (xx) | 1982-04-02 |
JPS53140754A (en) | 1978-12-08 |
BR7802918A (pt) | 1978-12-26 |
SE424306B (sv) | 1982-07-12 |
SE7805390L (sv) | 1978-11-13 |
DE2820663A1 (de) | 1978-11-23 |
AU520031B2 (en) | 1982-01-14 |
CA1088465A (en) | 1980-10-28 |
AU3575078A (en) | 1979-11-08 |
AR215179A1 (es) | 1979-09-14 |
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