IT1061462B - Braccio di una gru dotato di elementi di irrigidimento delle pareti laterali delle sezioni dello stesso - Google Patents
Braccio di una gru dotato di elementi di irrigidimento delle pareti laterali delle sezioni dello stessoInfo
- Publication number
- IT1061462B IT1061462B IT24346/76A IT2434676A IT1061462B IT 1061462 B IT1061462 B IT 1061462B IT 24346/76 A IT24346/76 A IT 24346/76A IT 2434676 A IT2434676 A IT 2434676A IT 1061462 B IT1061462 B IT 1061462B
- Authority
- IT
- Italy
- Prior art keywords
- sections
- arm
- side walls
- same
- stiffening elements
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/587,523 US4027448A (en) | 1975-06-16 | 1975-06-16 | Crane boom with angular side frame reinforcements |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1061462B true IT1061462B (it) | 1983-02-28 |
Family
ID=24350150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24346/76A IT1061462B (it) | 1975-06-16 | 1976-06-15 | Braccio di una gru dotato di elementi di irrigidimento delle pareti laterali delle sezioni dello stesso |
Country Status (7)
Country | Link |
---|---|
US (1) | US4027448A (it) |
AU (1) | AU498159B2 (it) |
CA (1) | CA1038813A (it) |
DE (1) | DE2626817A1 (it) |
GB (1) | GB1538469A (it) |
IT (1) | IT1061462B (it) |
NZ (1) | NZ181171A (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4112649A (en) * | 1977-08-26 | 1978-09-12 | Harnischfeger Corporation | Boom section for telescopic crane boom |
ZA777581B (en) * | 1977-12-21 | 1979-05-30 | L Herron | Improvements in or relating to rock drilling rigs |
US4337601A (en) * | 1980-04-24 | 1982-07-06 | Harnischfeger Corporation | High-strength light-weight boom section for telescopic crane boom |
DD215518A5 (de) * | 1982-10-27 | 1984-11-14 | Fuchs Fa Johannes | Ausleger fuer hebezeuge, insbesondere hebebuehnen, bagger oder dergleichen |
US4789120A (en) * | 1986-03-27 | 1988-12-06 | Kidde, Inc. | Carrier track system for extensible and retractable boom machines |
DE19829829A1 (de) | 1998-07-03 | 2000-01-13 | Grove Us Llc Shady Grove | Verbundwerkstoff-Teleskopteil und -ausleger |
US7546219B2 (en) * | 2005-08-31 | 2009-06-09 | The Boeing Company | Automated damage assessment, report, and disposition |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1806639A (en) * | 1931-05-26 | Lottis b | ||
US3170198A (en) * | 1960-06-22 | 1965-02-23 | Eliot I Snider | Wooden i-beam |
US3345792A (en) * | 1965-08-30 | 1967-10-10 | Holdsworth & Company Inc | Wood deck structure |
US3736710A (en) * | 1970-12-03 | 1973-06-05 | Kidde & Co Walter | Four-section fully hydraulically operated crane boom having three individually supported single piston rams contained within fly section |
US3690742A (en) * | 1971-11-19 | 1972-09-12 | Grove Mfg Co | Crane boom |
US3793790A (en) * | 1972-05-02 | 1974-02-26 | Butler Manufacturing Co | Frame construction with yieldable knee brace connection |
US3830376A (en) * | 1973-02-16 | 1974-08-20 | Harnischfeger Corp | Telescopic jib and bearing means therefor |
-
1975
- 1975-06-16 US US05/587,523 patent/US4027448A/en not_active Expired - Lifetime
-
1976
- 1976-05-11 CA CA252,305A patent/CA1038813A/en not_active Expired
- 1976-05-18 AU AU14052/76A patent/AU498159B2/en not_active Expired
- 1976-06-15 DE DE19762626817 patent/DE2626817A1/de not_active Withdrawn
- 1976-06-15 IT IT24346/76A patent/IT1061462B/it active
- 1976-06-15 NZ NZ181171A patent/NZ181171A/xx unknown
- 1976-06-16 GB GB24962/76A patent/GB1538469A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1538469A (en) | 1979-01-17 |
NZ181171A (en) | 1979-03-28 |
AU498159B2 (en) | 1979-02-15 |
CA1038813A (en) | 1978-09-19 |
AU1405276A (en) | 1977-11-24 |
US4027448A (en) | 1977-06-07 |
DE2626817A1 (de) | 1976-12-30 |
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