FR1580387A - - Google Patents
Info
- Publication number
- FR1580387A FR1580387A FR1580387DA FR1580387A FR 1580387 A FR1580387 A FR 1580387A FR 1580387D A FR1580387D A FR 1580387DA FR 1580387 A FR1580387 A FR 1580387A
- 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
- B66C23/62—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
- B66C23/703—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by flexible elements, e.g. cables, chains or bands
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR157644 | 1968-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1580387A true FR1580387A (fi) | 1969-09-05 |
Family
ID=8652009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1580387D Expired FR1580387A (fi) | 1968-07-03 | 1968-07-03 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1580387A (fi) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2463742A1 (fr) * | 1979-08-17 | 1981-02-27 | Coles Cranes Ltd | Grue equipee d'un mecanisme destine a allonger et raccourcir sa fleche telescopique |
US4907768A (en) * | 1987-02-25 | 1990-03-13 | Masseron Alain O F | Telescoping crane |
WO1994001254A1 (en) * | 1992-07-13 | 1994-01-20 | Friedman, Mark, M. | Extendible and retractable device |
US5324086A (en) * | 1991-07-24 | 1994-06-28 | Mordechai Hammer | Device capable of positive extension and retraction using a casading force transfer |
US5758785A (en) * | 1995-06-22 | 1998-06-02 | Spinosa; Dominic | Lifting system |
-
1968
- 1968-07-03 FR FR1580387D patent/FR1580387A/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2463742A1 (fr) * | 1979-08-17 | 1981-02-27 | Coles Cranes Ltd | Grue equipee d'un mecanisme destine a allonger et raccourcir sa fleche telescopique |
US4363413A (en) * | 1979-08-17 | 1982-12-14 | Coles Cranes Limited | Endless chain drive for telescopic jib sections |
US4907768A (en) * | 1987-02-25 | 1990-03-13 | Masseron Alain O F | Telescoping crane |
US5324086A (en) * | 1991-07-24 | 1994-06-28 | Mordechai Hammer | Device capable of positive extension and retraction using a casading force transfer |
WO1994001254A1 (en) * | 1992-07-13 | 1994-01-20 | Friedman, Mark, M. | Extendible and retractable device |
US5758785A (en) * | 1995-06-22 | 1998-06-02 | Spinosa; Dominic | Lifting system |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |