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2. Overhead crane - Wikipedia

   en.wikipedia.org/wiki/Overhead_crane

   The original hoist contained components mated together in what is now called the built-up style hoist. These built up hoists are used for heavy-duty applications such as steel coil handling and for users desiring long life and better durability. They also provide for easier maintenance.

3. Munck Cranes - Wikipedia

   en.wikipedia.org/wiki/Munck_Cranes

   This was mainly as a result of an order for 18 units of trolley buses for Bergen Sporvei - the local bus company, but also orders from several other bus companies in Norway. During this time, the first Munck electric wire rope hoist was designed, and full production commenced, involving hoists and industrial cranes for all major types of ...

4. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

5. Crane (machine) - Wikipedia

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

   Hook: the hook is used to connect the material to the crane, suspended from the hoist rope either at the tip (on luffing jib cranes) or routed through the trolley (on hammerhead cranes). Weights : Large, moveable concrete counterweights are mounted toward the rear of the counterdeck, to compensate for the weight of the goods lifted and keep the ...

6. Current collector - Wikipedia

   en.wikipedia.org/wiki/Current_collector

   Trolley pole wheel on top of the trolley pole of Twin City Rapid Transit Company No. 1300. A current collector (often called a "pickup") is a device used in trolleybuses, trams, electric locomotives and EMUs to carry electric power from overhead lines, electric third rails, or ground-level power supplies to the electrical equipment of the vehicles.

7. Electric overhead traveling crane - Wikipedia

   en.wikipedia.org/wiki/Electric_overhead...

   Electric overhead traveling cranes or EOT cranes are a common type of overhead crane, also called bridge cranes. They consist of parallel runways, much akin to rails of a railroad, with a traveling bridge spanning the gap. [1] EOT cranes are specifically powered by electricity.