ZA746742B - Boom and jib assembly for boom crane - Google Patents
Boom and jib assembly for boom craneInfo
- Publication number
- ZA746742B ZA746742B ZA00746742A ZA746742A ZA746742B ZA 746742 B ZA746742 B ZA 746742B ZA 00746742 A ZA00746742 A ZA 00746742A ZA 746742 A ZA746742 A ZA 746742A ZA 746742 B ZA746742 B ZA 746742B
- Authority
- ZA
- South Africa
- Prior art keywords
- boom
- crane
- jib assembly
- jib
- assembly
- 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
- B66C23/82—Luffing gear
-
- 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
- B66C23/702—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic with a jib extension boom
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00420168A US3856151A (en) | 1973-11-29 | 1973-11-29 | Telescopic boom and jib assembly with means to maintain a predetermined angular position therebetween |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA746742B true ZA746742B (en) | 1975-11-26 |
Family
ID=23665349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00746742A ZA746742B (en) | 1973-11-29 | 1974-10-23 | Boom and jib assembly for boom crane |
Country Status (8)
Country | Link |
---|---|
US (1) | US3856151A (en) |
JP (1) | JPS5546357B2 (en) |
BR (1) | BR7409543A (en) |
CA (1) | CA1002003A (en) |
DE (1) | DE2453592A1 (en) |
FR (1) | FR2252975B1 (en) |
GB (1) | GB1433448A (en) |
ZA (1) | ZA746742B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3030821C2 (en) * | 1979-08-17 | 1983-12-01 | Coles Cranes Ltd., Sunderland, Tyne and Wear | Telescopic boom rope guying |
US4352434A (en) * | 1980-05-01 | 1982-10-05 | Fmc Corporation | Pendant supported hydraulic extensible boom |
US4491229A (en) * | 1981-02-25 | 1985-01-01 | Fmc Corporation | Boom extension stowage system |
US4431109A (en) * | 1981-02-25 | 1984-02-14 | Fmc Corporation | Boom extension stowage system |
US4489838A (en) * | 1981-08-17 | 1984-12-25 | Fmc Corporation | Low droop multi-part pendant supported boom |
US4492312A (en) * | 1982-06-30 | 1985-01-08 | Fmc Corporation | External pendant pay-out system with anti-droop control |
US4491228A (en) * | 1982-06-30 | 1985-01-01 | Fmc Corporation | Floating sheave type pendant pay-out system for pendant supported boom |
US4467928A (en) * | 1982-06-30 | 1984-08-28 | Fmc Corporation | Pendant supported boom with fixed and live pendant portions |
US4460098A (en) * | 1982-06-30 | 1984-07-17 | Fmc Corporation | Pendant control system for pendant supported boom |
US4557391A (en) * | 1982-06-30 | 1985-12-10 | Fmc Corporation | Method of controlling the angle of a pivotal boom with extensible sections |
US4544071A (en) * | 1982-06-30 | 1985-10-01 | Fmc Corporation | External pendant pay-out system with anti-droop control |
JPS6132193U (en) * | 1984-07-27 | 1986-02-26 | 株式会社タダノ | Lifting device for top-up jib |
US4936817A (en) * | 1988-04-27 | 1990-06-26 | Kraft, Inc. | Reclosable bag |
FR2799029B1 (en) | 1999-09-24 | 2002-05-24 | Ge Medical Syst Sa | METHOD FOR RECONSTRUCTING A THREE-DIMENSIONAL IMAGE OF A MOVING OBJECT, IN PARTICULAR A THREE-DIMENSIONAL IMAGE OF VESSELS OF THE HUMAN HEART |
EP2253575B1 (en) * | 2009-05-20 | 2013-01-16 | Manitowoc Crane Companies, LLC | Crane backstay spreader |
CN101700856B (en) * | 2009-10-30 | 2013-04-24 | 上海三一科技有限公司 | Hydraulic system for automatically controlling mast retraction of crawler crane |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL276437A (en) * | ||||
US1920370A (en) * | 1931-11-14 | 1933-08-01 | Charles E Forsythe | Extension boom for cranes |
DE918320C (en) * | 1952-01-10 | 1954-09-23 | Franz Putz | Excavator, crane or similar device with an extendable boom |
US3374901A (en) * | 1965-05-06 | 1968-03-26 | Ferwerda Ray | Live boom supporting live boom or hoist track |
US3622013A (en) * | 1969-04-29 | 1971-11-23 | Case Co J I | Extensible boom structure |
US3732988A (en) * | 1970-10-12 | 1973-05-15 | Case Co J I | Jib assembly for telescoping crane boom |
US3658191A (en) * | 1970-12-14 | 1972-04-25 | Thomas V Murphy | Crane for extracting horizontally-aligned relatively-long tube bundles |
-
1973
- 1973-11-29 US US00420168A patent/US3856151A/en not_active Expired - Lifetime
-
1974
- 1974-08-12 CA CA206,830A patent/CA1002003A/en not_active Expired
- 1974-10-23 ZA ZA00746742A patent/ZA746742B/en unknown
- 1974-11-09 DE DE19742453592 patent/DE2453592A1/en not_active Withdrawn
- 1974-11-13 GB GB4913474A patent/GB1433448A/en not_active Expired
- 1974-11-13 BR BR9543/74A patent/BR7409543A/en unknown
- 1974-11-27 FR FR7438865A patent/FR2252975B1/fr not_active Expired
- 1974-11-28 JP JP13697074A patent/JPS5546357B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5546357B2 (en) | 1980-11-22 |
BR7409543A (en) | 1976-05-25 |
DE2453592A1 (en) | 1975-06-05 |
JPS5085057A (en) | 1975-07-09 |
FR2252975B1 (en) | 1979-10-12 |
CA1002003A (en) | 1976-12-21 |
US3856151A (en) | 1974-12-24 |
GB1433448A (en) | 1976-04-28 |
FR2252975A1 (en) | 1975-06-27 |
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