GB383732A - Improvements in or relating to derricks or like lifting apparatus - Google Patents
Improvements in or relating to derricks or like lifting apparatusInfo
- Publication number
- GB383732A GB383732A GB30032/31A GB3003231A GB383732A GB 383732 A GB383732 A GB 383732A GB 30032/31 A GB30032/31 A GB 30032/31A GB 3003231 A GB3003231 A GB 3003231A GB 383732 A GB383732 A GB 383732A
- Authority
- GB
- United Kingdom
- Prior art keywords
- compressed air
- derricks
- air
- reservoir
- relating
- 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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
383,732. Derricks. MARCHAUT, P. J., 28, Rue de la Briche, St-Denis, Seine, France. Oct. 29, 1931, No. 30032. Convention date, Jan. 10. Addition to 383,730. [Class 78 (iv).] The derrick described in the parent Specification is adapted for hoisting the load by compressed air or hydraulic mechanism. As shown in Fig. 1, a reservoir 39 is charged with compressed air by a compressor driven by the ship's engine 40 or by an auxiliary motor. A pipe line 41 leads the compressed air through branches 42 to various points on the deck. In a modification, Fig. 2 (not shown), the air reservoir 39 is connected to a number of reservoirs containing water which is forced by the air-pressure through branch-pipes to the operating points. The device is particularly suitable for salving hydroplanes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR383732X | 1931-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB383732A true GB383732A (en) | 1932-11-24 |
Family
ID=8895532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30032/31A Expired GB383732A (en) | 1931-01-10 | 1931-10-29 | Improvements in or relating to derricks or like lifting apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB383732A (en) |
-
1931
- 1931-10-29 GB GB30032/31A patent/GB383732A/en not_active Expired
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