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This specific example uses a level luffing mechanism to maintain the load at approximately the same vertical height as the jib moves through its range of travel. A jib or jib arm is the horizontal or near-horizontal beam used in many types of crane to support the load clear of the main support. [1] [2] An archaic spelling is gib. [3]
A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
The "hammerhead", or giant cantilever, crane is a fixed-jib crane consisting of a steel-braced tower on which revolves a large, horizontal, double cantilever; the forward part of this cantilever or jib carries the lifting trolley, the jib is extended backwards in order to form a support for the machinery and counterbalancing weight. In addition ...
In filmmaking and video production, a crane shot is a shot taken by a camera on a moving crane or jib. Filmmaker D. W. Griffith created the first crane for his 1916 epic film Intolerance , with famed special effects pioneer Eiji Tsuburaya later constructing the first iron camera crane which is still adapted worldwide today.
The crane was powered by a semi-portable steam engine in a small cabin at the rear of the jib, also helping as a counterweight. 1871 timber queen post truss jib, for the North Sea Canal Construction of the Dutch Noordzeekanaal from 1865 to 1876 used a variety of cranes, including two significant examples of the Hercules type.
BREM-80U (BREM-80) – Armoured recovery vehicle (ARV) based on the T-80U, with a large superstructure on the forward half of the chassis, a large square-section 18-tonne crane on the left side of hull and 35-tonne winch (in contrast to earlier Soviet ARVs which had light jib cranes). [6] BTU-80 – Dozer vehicle based on T-80. [6]
Crane Carrier Company (CCC) is a manufacturer that specializes in construction truck and garbage truck chassis. Located in New Philadelphia, Ohio , it was established by Robert Zeligson in 1946, along with the affiliated Zeligson Trucks.
The crane can also be fitted with a small bucket and used as excavator arm, or with a pair of pincer-type grabbers (as pictured) for removing obstacles like trees. Its jib is telescopic, which when mobile gets retracted and placed onto a cradle on the rear of the hull, that in turn gets folded down against the engine deck when the crane is in use.