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2. 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.

3. Engineered Lifting Systems & Equipment - Wikipedia

   en.wikipedia.org/wiki/Engineered_Lifting_Systems...

   The focus was on designing and making small to mid-sized overhead cranes and gantry cranes. Mentor was also a distributor for hoist and specialty crane manufactures. In early 1992 the business was restructured, this time without the ship liner business or the 36,000-square-foot (3,300 m 2 ) company owned factory.

4. Jib (crane) - Wikipedia

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

   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]

5. 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 ...

6. Overhead crane - Wikipedia

   en.wikipedia.org/wiki/Overhead_crane

   An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments. An overhead crane consists of two parallel rails seated on longitudinal I-beams attached to opposite steel columns by means of brackets. The traveling bridge spans the gap. A hoist, the lifting component of a crane, travels along the bridge.

7. Bulk-handling crane - Wikipedia

   en.wikipedia.org/wiki/Bulk-handling_crane

   Working the grab requires extra cables from the crane jib, so requires a specialised design of crane throughout, not merely an attachment. Some grabs use 2 cables for lift and control, others use 4. In 1927, Stothert & Pitt of Bath, Somerset produced the first specialised bulk-handling crane. [1] This was to unload coal at Barking power station ...

8. Crane Carrier Company - Wikipedia

   en.wikipedia.org/wiki/Crane_Carrier_Company

   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. Since 2021, CCC has been owned by electric vehicle developer Battle Motors.

9. 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.