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  2. American Crane Corporation - Wikipedia

    en.wikipedia.org/wiki/American_Crane_Corporation

    It manufacturers lattice boom crawler cranes with capacities ranging from 50 to 275 tons. The American Crane Corporation was founded in 1882 as the Franklin Manufacturing Company, and in 1892 the name changed to American Hoist & Derrick. The company manufacturers terrain cranes, crawler cranes and tower cranes.

  3. 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.

  4. Hoist (mining) - Wikipedia

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

    A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), although modern large hoists use alternating current drives that ...

  5. International Code of Signals - Wikipedia

    en.wikipedia.org/wiki/International_Code_of_Signals

    Used to repeat the third flag of a hoist later within the same hoist. Code/Answer Pennant: At the dip (about half-way up the halyard): Ready to receive message Close up: Message has been received and understood (the flag is then hauled back at the dip to receive the next hoist) Hauled down: Signals end of message. With numerals: Decimal point

  6. Crane (machine) - Wikipedia

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

    133 m (436 ft) tall, 120 m (394 ft) span, lift-height 80 m (262 ft) Kockums Crane. shipyard crane formerly at Kockums, Sweden. 138 m (453 ft) tall, 1,500 tonnes (1,500 long tons; 1,700 short tons) capacity, since moved to Ulsan, South Korea; Samson and Goliath (cranes) two gantry cranes at the Harland & Wolff shipyard in Belfast built by Krupp

  7. Overhead crane - Wikipedia

    en.wikipedia.org/wiki/Overhead_crane

    An overhead crane, featuring runways, bridge, and hoist in a traditional industrial environment. Overhead crane at the Skanska precast concrete factory in Hjärup, Sweden. Gantry-style overhead cranes of the Hainaut quarry in Soignies, Belgium. An overhead crane, commonly called a bridge crane, is a type of crane found in industrial environments.

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