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2. Jib (crane) - Wikipedia

   en.wikipedia.org/wiki/Jib_(crane)

   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] Usually jib arms are attached to a vertical mast or tower or sometimes to an inclined boom.

3. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   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 ...

4. Jib (camera) - Wikipedia

   en.wikipedia.org/wiki/Jib_(camera)

   A jib can be used for getting high or low shots which are difficult for a hand-held camera operator to get, or shots which need to move a short distance horizontally or vertically, without the expense and safety issues of putting a camera operator on a crane for a crane shot or laying track for a camera dolly. A jib can even be mounted on a ...

5. Level luffing crane - Wikipedia

   en.wikipedia.org/wiki/Level_luffing_crane

   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.

6. Treadwheel crane - Wikipedia

   en.wikipedia.org/wiki/Treadwheel_crane

   A treadwheel crane survives at Harwich, Essex, United Kingdom. It was built in 1667 and formerly stood in the Naval Yard. It was moved to Harwich Green in 1932. The crane has two treadwheels of 16 feet (4.88 m) diameter by 3 feet 10 inches (1.17 m) wide on an axle 13 + 1 ⁄ 2 inches (340 mm) diameter.

7. Technocrane - Wikipedia

   en.wikipedia.org/wiki/Technocrane

   Technocrane is a telescopic camera crane widely utilised in the film industry and in television production. Originally commissioned, manufactured, named and marketed by Technovision Ltd. in London , United Kingdom , the first TechnoCrane was exhibited by Technovision during Photokina Expo in Cologne , Germany in September 1986.