FR2252279B1 - - Google Patents
Info
- Publication number
- FR2252279B1 FR2252279B1 FR7342643A FR7342643A FR2252279B1 FR 2252279 B1 FR2252279 B1 FR 2252279B1 FR 7342643 A FR7342643 A FR 7342643A FR 7342643 A FR7342643 A FR 7342643A FR 2252279 B1 FR2252279 B1 FR 2252279B1
- Authority
- FR
- France
- 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.)
- Expired
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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
- B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7342643A FR2252279A1 (en) | 1973-11-23 | 1973-11-23 | Folding tower crane jib erection system - has tie rope from tailweight jib always held taut by sliding crossbeam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7342643A FR2252279A1 (en) | 1973-11-23 | 1973-11-23 | Folding tower crane jib erection system - has tie rope from tailweight jib always held taut by sliding crossbeam |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2252279A1 FR2252279A1 (en) | 1975-06-20 |
FR2252279B1 true FR2252279B1 (en) | 1976-10-08 |
Family
ID=9128480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7342643A Granted FR2252279A1 (en) | 1973-11-23 | 1973-11-23 | Folding tower crane jib erection system - has tie rope from tailweight jib always held taut by sliding crossbeam |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2252279A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430913A1 (en) * | 1978-07-12 | 1980-02-08 | Potain Sa | Crane with telescopic mast and hinged boom - has cable trained around pulleys to bring boom to horizontal position as mast is erected |
DE3207443A1 (en) * | 1982-03-02 | 1983-09-15 | Wilhelm 5020 Frechen König | TURNING CRANE |
DE102012018111A1 (en) * | 2012-09-13 | 2014-03-13 | Liebherr-Werk Biberach Gmbh | Tower Crane |
FR3049593A1 (en) | 2016-04-01 | 2017-10-06 | Manitowoc Crane Group France | FOLDABLE STRUCTURE FOR COMPOSING A TOWER CRANE |
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1973
- 1973-11-23 FR FR7342643A patent/FR2252279A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2252279A1 (en) | 1975-06-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |