ES378784A1 - Un dispositivo de enclavamiento para una flecha telescopicaconstituida por, al menos, tres trozos. - Google Patents
Un dispositivo de enclavamiento para una flecha telescopicaconstituida por, al menos, tres trozos.Info
- Publication number
- ES378784A1 ES378784A1 ES378784A ES378784A ES378784A1 ES 378784 A1 ES378784 A1 ES 378784A1 ES 378784 A ES378784 A ES 378784A ES 378784 A ES378784 A ES 378784A ES 378784 A1 ES378784 A1 ES 378784A1
- Authority
- ES
- Spain
- Prior art keywords
- section
- sections
- catches
- rear end
- bolt
- Prior art date
- 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
- B66C23/62—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
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6912472A FR2041329A5 (ko) | 1969-04-21 | 1969-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES378784A1 true ES378784A1 (es) | 1972-07-16 |
Family
ID=9032778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES378784A Expired ES378784A1 (es) | 1969-04-21 | 1970-04-18 | Un dispositivo de enclavamiento para una flecha telescopicaconstituida por, al menos, tres trozos. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3670465A (ko) |
JP (1) | JPS492061B1 (ko) |
DE (1) | DE2018820A1 (ko) |
ES (1) | ES378784A1 (ko) |
FR (1) | FR2041329A5 (ko) |
GB (1) | GB1283831A (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863407A (en) * | 1971-02-13 | 1975-02-04 | Gottwald Kg Leo | Telescopic crane jib |
US3738075A (en) * | 1971-06-16 | 1973-06-12 | Nat Crane Corp | Extendible boom with latch means for extension and retraction |
GB1437526A (en) * | 1972-10-09 | 1976-05-26 | Int Harvester Co | Extensible jib crane |
US3958376A (en) * | 1974-02-15 | 1976-05-25 | Zip Up, Inc. | Extendible tower structure |
DE2519558C2 (de) * | 1975-05-02 | 1977-05-12 | Orenstein & Koppel Ag | Teleskopausleger mit hydraulischer betaetigung |
US4036372A (en) * | 1975-12-15 | 1977-07-19 | Clark Equipment Company | Extension and retraction means for the telescopic boom assembly of a crane |
GB1594096A (en) * | 1976-11-11 | 1981-07-30 | Coles Cranes Ltd | Telescopic booms |
FI802255A (fi) * | 1979-07-25 | 1981-01-26 | Coles Cranes Ltd | Bom foer lyftkran |
US4327533A (en) * | 1980-08-13 | 1982-05-04 | Kidde, Inc. | Crane boom extending, retracting and cooperative latching arrangement |
US4433515A (en) * | 1981-11-04 | 1984-02-28 | Kidde, Inc. | Remotely operable latch and locking pin for a multi-section boom including a manual fly section |
US4688690A (en) * | 1986-03-07 | 1987-08-25 | Harnischfeger Corporation | Method and apparatus for extending fly section of crane boom |
GB8605798D0 (en) * | 1986-03-10 | 1986-04-16 | King Trailer Ltd | Draw bar |
DE19811813B4 (de) * | 1998-03-18 | 2005-11-24 | Grove U.S. LLC (n.d.Ges.d.Staates Delaware) | Seitliche Auslegerverriegelung |
GB2363121B (en) * | 2000-06-06 | 2003-10-29 | Kuraray Co | Method for producing ethylene-vinyl alcohol copolymer resin composition |
DE10048224B4 (de) * | 2000-09-21 | 2005-06-02 | Terex-Demag Gmbh & Co. Kg | Verriegelungseinheit für einen Teleskopausleger eines Krans |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE376494A (ko) * | 1931-01-14 | |||
DE723535C (de) * | 1934-09-19 | 1942-08-06 | Gertrud Rascher Geb Triemer | Mast mit mehreren teleskopartig ineinandergefuehrten Mastschuessen |
US2173095A (en) * | 1938-04-14 | 1939-09-19 | Collins Radio Co | Telescoping vertical radiator and method of erecting the same |
US2589080A (en) * | 1949-11-05 | 1952-03-11 | Star Drilling Machine Company | Power-operated telescoping mast and braces |
US2685353A (en) * | 1950-11-13 | 1954-08-03 | Us Army | Telescopic structure |
US2819803A (en) * | 1954-10-12 | 1958-01-14 | Leo B Obenchain | Boom for cranes |
US2920725A (en) * | 1955-08-08 | 1960-01-12 | Reynolds Metals Co | Portable collapsible derricks |
US3088543A (en) * | 1960-04-16 | 1963-05-07 | Kloeckner Humboldt Deutz Ag | Extensible multi-section supporting structures |
FR1430168A (fr) * | 1964-11-26 | 1966-03-04 | Colonne télescopique extensible hydrauliquement | |
US3296757A (en) * | 1965-06-23 | 1967-01-10 | Louis N Goodman | Equipment mast arrangement |
US3398645A (en) * | 1966-11-30 | 1968-08-27 | Nat Crane Corp | Multiple extension apparatus |
-
1969
- 1969-04-21 FR FR6912472A patent/FR2041329A5/fr not_active Expired
-
1970
- 1970-04-18 ES ES378784A patent/ES378784A1/es not_active Expired
- 1970-04-20 GB GB08773/70A patent/GB1283831A/en not_active Expired
- 1970-04-20 DE DE19702018820 patent/DE2018820A1/de active Pending
- 1970-04-21 US US30523A patent/US3670465A/en not_active Expired - Lifetime
- 1970-04-21 JP JP3353870A patent/JPS492061B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS492061B1 (ko) | 1974-01-18 |
FR2041329A5 (ko) | 1971-01-29 |
DE2018820A1 (de) | 1970-11-05 |
GB1283831A (en) | 1972-08-02 |
US3670465A (en) | 1972-06-20 |
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