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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)

   Jib crane. A jib crane is a type of crane - not to be confused with a crane rigged with a jib to extend its main boom - where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar. Jib cranes are used in industrial premises and on military vehicles.

4. 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.

5. Hydraulic hooklift hoist - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_hooklift_hoist

   The articulating jib, also referred to as a tilting jib, is a simple a-frame. When extending the cylinder, the container/body is pushed up and back, exiting the rear locks. When retracting the cylinder, the container/body is pulled forward and down, engaging the rear locks. The sliding jib consists of a single arm, composed of a tube inside a tube.

6. Titan (crane) - Wikipedia

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

   On completion, the crane was handed over to the RAN. [3] Titan ' s cantilever-jib arm could reach 190 feet (58 m) above the surface at maximum extension. [4] The crane could lift up to 150 tonnes (150 long tons; 170 short tons) at an arm radius of 90 feet (27 m), or 125 tonnes (123 long tons; 138 short tons) at 125 feet (38 m). [4]

7. Knuckle boom crane - Wikipedia

   en.wikipedia.org/wiki/Knuckle_boom_crane

   Disadvantages of this crane type are the higher power demand and increased maintenance requirement due to the increased number of moving parts. Knuckle boom crane arms are much lighter than boom truck cranes, and they are designed to allow for more payloads to be carried on the back of the truck that it is mounted on.