FR596371A - Crane with retractable boom - Google Patents
Crane with retractable boomInfo
- Publication number
- FR596371A FR596371A FR596371DA FR596371A FR 596371 A FR596371 A FR 596371A FR 596371D A FR596371D A FR 596371DA FR 596371 A FR596371 A FR 596371A
- Authority
- FR
- France
- Prior art keywords
- crane
- retractable boom
- boom
- retractable
- 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
- B66C23/06—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 with jibs mounted for jibbing or luffing movements
- B66C23/08—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
- B66C23/10—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0307—Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE596371X | 1924-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR596371A true FR596371A (en) | 1925-10-22 |
Family
ID=6573846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR596371D Expired FR596371A (en) | 1924-04-07 | 1925-03-12 | Crane with retractable boom |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR596371A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2469374A1 (en) * | 1979-11-12 | 1981-05-22 | Spera Claudio | TOWER CRANE COMPRISING A POLYCENTRIC TRAJECTORY BOOM |
-
1925
- 1925-03-12 FR FR596371D patent/FR596371A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2469374A1 (en) * | 1979-11-12 | 1981-05-22 | Spera Claudio | TOWER CRANE COMPRISING A POLYCENTRIC TRAJECTORY BOOM |
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