PL131887B1 - Crane - Google Patents
Crane Download PDFInfo
- Publication number
- PL131887B1 PL131887B1 PL1980226256A PL22625680A PL131887B1 PL 131887 B1 PL131887 B1 PL 131887B1 PL 1980226256 A PL1980226256 A PL 1980226256A PL 22625680 A PL22625680 A PL 22625680A PL 131887 B1 PL131887 B1 PL 131887B1
- Authority
- PL
- Poland
- Prior art keywords
- boom
- segment
- chain
- segments
- crane
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims description 17
- 230000002441 reversible effect Effects 0.000 claims description 5
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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
- B66C23/703—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by flexible elements, e.g. cables, chains or bands
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7928799 | 1979-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL226256A1 PL226256A1 (US20030199744A1-20031023-C00003.png) | 1981-05-22 |
| PL131887B1 true PL131887B1 (en) | 1985-01-31 |
Family
ID=10507289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1980226256A PL131887B1 (en) | 1979-08-17 | 1980-08-15 | Crane |
Country Status (9)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489838A (en) * | 1981-08-17 | 1984-12-25 | Fmc Corporation | Low droop multi-part pendant supported boom |
| US4480757A (en) * | 1982-01-28 | 1984-11-06 | Amca International Corporation | Collapsible frame support for pivotal boom on a portable crane |
| US4569453A (en) * | 1982-01-28 | 1986-02-11 | Amca International | Loading and unloading crane and method of operation therefor |
| US4982853A (en) * | 1989-02-09 | 1991-01-08 | Hikoma Seisakusho Co., Ltd. | Reinforcement mechanism for multi-stage telescopic boom |
| US6131751A (en) * | 1996-04-26 | 2000-10-17 | Manitowoc Crane Group, Inc. | Counter weight handling system and boom parking device |
| US6481202B1 (en) | 1997-04-16 | 2002-11-19 | Manitowoc Crane Companies, Inc. | Hydraulic system for boom hoist cylinder crane |
| US20090057636A1 (en) * | 2007-08-31 | 2009-03-05 | Tait Towers Inc. | Portable lift device and system |
| JP5296094B2 (ja) * | 2007-12-18 | 2013-09-25 | オーチス エレベータ カンパニー | ボーディングブリッジのトンネル部移動装置 |
| DE102019130784A1 (de) | 2019-11-14 | 2021-05-20 | Liebherr-Hydraulikbagger Gmbh | Arbeitsmaschine, insbesondere Materialumschlagsgerät mit einem Ausleger sowie Auslegerabspannung |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1925367U (de) * | 1964-08-12 | 1965-10-14 | Ver Flugtechnische Werke Ges M | Hoehenverstellbare arbeitsbuehne. |
| FR1415329A (fr) * | 1964-12-01 | 1965-10-22 | Ver Flugtechnische Werke | Plate-forme de travail réglable en hauteur |
| FR1424080A (fr) * | 1965-01-27 | 1966-01-07 | Greater Iowa Corp | Engin de levage à flèche télescopique |
| US3396601A (en) * | 1966-02-16 | 1968-08-13 | Dow Chemical Co | Extensible element |
| FR94010E (fr) * | 1966-05-11 | 1969-06-20 | Arthur Haulotte | Grue a fleche télescopique. |
| FR1492931A (fr) * | 1966-05-11 | 1967-08-25 | Grue à flèche télescopique | |
| US3469712A (en) * | 1967-02-10 | 1969-09-30 | Arthur Haulotte | Telescopic boom crane |
| FR1580387A (US20030199744A1-20031023-C00003.png) * | 1968-07-03 | 1969-09-05 | ||
| GB1217627A (en) * | 1968-07-25 | 1970-12-31 | Harnischfeger Corp | Flexible means for powering a telescopic crane boom in extending and contracting directions |
| FR1582627A (US20030199744A1-20031023-C00003.png) * | 1968-08-13 | 1969-10-03 | ||
| DE7015460U (de) * | 1970-04-24 | 1970-08-06 | Hofmann Maschf | Teleskopausleger. |
| US3889818A (en) * | 1973-09-21 | 1975-06-17 | Carl G Wennerstrom | Extensible crane |
-
1980
- 1980-08-12 DE DE19803030822 patent/DE3030822A1/de active Granted
- 1980-08-13 FI FI802540A patent/FI67526C/fi not_active IP Right Cessation
- 1980-08-14 FR FR8017981A patent/FR2463742B1/fr not_active Expired
- 1980-08-14 IT IT24197/80A patent/IT1132422B/it active
- 1980-08-14 AU AU61470/80A patent/AU540100B2/en not_active Ceased
- 1980-08-15 PL PL1980226256A patent/PL131887B1/pl unknown
- 1980-08-15 YU YU02065/80A patent/YU206580A/xx unknown
- 1980-08-18 US US06/179,360 patent/US4363413A/en not_active Expired - Lifetime
- 1980-08-18 JP JP11277780A patent/JPS5675391A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3030822A1 (de) | 1981-03-26 |
| FR2463742A1 (fr) | 1981-02-27 |
| DE3030822C2 (US20030199744A1-20031023-C00003.png) | 1987-01-29 |
| AU6147080A (en) | 1981-02-19 |
| FI67526C (fi) | 1985-04-10 |
| PL226256A1 (US20030199744A1-20031023-C00003.png) | 1981-05-22 |
| US4363413A (en) | 1982-12-14 |
| JPS5675391A (en) | 1981-06-22 |
| FR2463742B1 (fr) | 1986-09-12 |
| AU540100B2 (en) | 1984-11-01 |
| IT1132422B (it) | 1986-07-02 |
| FI802540A (fi) | 1981-02-18 |
| IT8024197A0 (it) | 1980-08-14 |
| YU206580A (en) | 1983-10-31 |
| FI67526B (fi) | 1984-12-31 |
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