IT8048256A0 - IMPROVEMENT IN TOWER CRANES - Google Patents
IMPROVEMENT IN TOWER CRANESInfo
- Publication number
- IT8048256A0 IT8048256A0 IT8048256A IT4825680A IT8048256A0 IT 8048256 A0 IT8048256 A0 IT 8048256A0 IT 8048256 A IT8048256 A IT 8048256A IT 4825680 A IT4825680 A IT 4825680A IT 8048256 A0 IT8048256 A0 IT 8048256A0
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- tower cranes
- cranes
- tower
- 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
- B66C23/18—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792912529 DE2912529C2 (en) | 1979-03-29 | 1979-03-29 | Telescopic trolley jib for tower cranes |
DE19792945106 DE2945106A1 (en) | 1979-11-08 | 1979-11-08 | Slewing crane telescoping crab jib - has jib head beam retractable into jib head guide, both being of box shaped cross=section |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8048256A0 true IT8048256A0 (en) | 1980-03-25 |
IT1127007B IT1127007B (en) | 1986-05-21 |
Family
ID=25778477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48256/80A IT1127007B (en) | 1979-03-29 | 1980-03-25 | IMPROVEMENT IN TOWER CRANES |
Country Status (5)
Country | Link |
---|---|
ES (1) | ES489997A1 (en) |
FR (1) | FR2452461A1 (en) |
GB (1) | GB2045202B (en) |
IT (1) | IT1127007B (en) |
SE (1) | SE8002382L (en) |
-
1980
- 1980-03-25 IT IT48256/80A patent/IT1127007B/en active
- 1980-03-27 SE SE8002382A patent/SE8002382L/en unknown
- 1980-03-27 ES ES489997A patent/ES489997A1/en not_active Expired
- 1980-03-27 GB GB8010284A patent/GB2045202B/en not_active Expired
- 1980-03-28 FR FR8006986A patent/FR2452461A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2452461A1 (en) | 1980-10-24 |
SE8002382L (en) | 1980-09-30 |
GB2045202B (en) | 1982-11-17 |
IT1127007B (en) | 1986-05-21 |
ES489997A1 (en) | 1980-10-01 |
GB2045202A (en) | 1980-10-29 |
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