GB1067603A - Improvements in or relating to cranes - Google Patents
Improvements in or relating to cranesInfo
- Publication number
- GB1067603A GB1067603A GB632465A GB632465A GB1067603A GB 1067603 A GB1067603 A GB 1067603A GB 632465 A GB632465 A GB 632465A GB 632465 A GB632465 A GB 632465A GB 1067603 A GB1067603 A GB 1067603A
- Authority
- GB
- United Kingdom
- Prior art keywords
- jib
- frame
- sections
- feb
- brackets
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
-
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- 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
- B66C2700/0321—Travelling cranes
- B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
-
- 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
- B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
1,067,603. Mobile Jib-cranes. H. REID. Feb. 14, 1966 [Feb. 13, 1965], No. 6324/65. Heading B8B. In a mobile jib-crane which has a pivoted A-frame 5 for luffing the jib 3, intermediate jib-sections 21, stacked for transport on brackets 22, are unloaded by means of slings 24 supported from a bar 8 extending laterally of the A-frame. The jib is lowered to position 3C and simultaneously the A-frame moves through position 5A to position 5B. This causes the jib-sections 21 to be raised from the brackets 22 by the A-frame which is then lowered until the sections rest on the ground. If the turning moment provided by the jib on the A-frame is insufficient to raise the jib section either a load may be supported by the jib to increase the moment or the load hook may be attached to the vehicle chassis and tensioned as at 18A. The luffing frame may be other than A-shaped, e.g. rectangular, trapezoidal or a simple post.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB632465A GB1067603A (en) | 1965-02-13 | 1965-02-13 | Improvements in or relating to cranes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB632465A GB1067603A (en) | 1965-02-13 | 1965-02-13 | Improvements in or relating to cranes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1067603A true GB1067603A (en) | 1967-05-03 |
Family
ID=9812425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB632465A Expired GB1067603A (en) | 1965-02-13 | 1965-02-13 | Improvements in or relating to cranes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1067603A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2030316A1 (en) * | 1969-02-05 | 1970-11-13 | Vonok Willem | |
FR2322818A1 (en) * | 1975-09-05 | 1977-04-01 | Howaldtswerke Deutsche Werft | COMPLEMENTARY ARROW FOR FLOATING CRANE WITH A SWIVEL MAIN ARROW |
-
1965
- 1965-02-13 GB GB632465A patent/GB1067603A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2030316A1 (en) * | 1969-02-05 | 1970-11-13 | Vonok Willem | |
FR2322818A1 (en) * | 1975-09-05 | 1977-04-01 | Howaldtswerke Deutsche Werft | COMPLEMENTARY ARROW FOR FLOATING CRANE WITH A SWIVEL MAIN ARROW |
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