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  2. Derrick - Wikipedia

    en.wikipedia.org/wiki/Derrick

    The base of the tower is hinged and the top of the tower is connected to a pulley system for load lifting. As this is a simple derrick system, it is recommended for use by some agencies as an improvised rescue derrick in an emergency situation where no suitable rescue derrick or crane is available. [1] [2]

  3. Crane (machine) - Wikipedia

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

    A tower crane is usually assembled by a telescopic jib (mobile) crane of greater reach (also see "self-erecting crane" below) and in the case of tower cranes that have risen while constructing very tall skyscrapers, a smaller crane (or derrick) will often be lifted to the roof of the completed tower to dismantle the tower crane afterwards ...

  4. Tower crane anti-collision system - Wikipedia

    en.wikipedia.org/wiki/Tower_Crane_Anti-Collision...

    The operator's cabin hosts a display showing the tower crane's position, movement and operating area. Where the tower crane’s operating area overlaps with other cranes or prohibited zones these are also displayed. The system alerts the operator when the crane is approaching a prohibited area or another crane. [9]

  5. American Crane Corporation - Wikipedia

    en.wikipedia.org/wiki/American_Crane_Corporation

    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. In 1998 American Crane Corporation was acquired by Terex for $27 million. [1]

  6. Manitowoc Cranes - Wikipedia

    en.wikipedia.org/wiki/Manitowoc_Cranes

    Manitowoc Crane Care is the customer service branch of Manitowoc Cranes. Formed in 2000, [8] Crane Care provides customers with parts, service and technical support, technical publications, training, and EnCORE. The EnCORE program rebuilds and repairs run-down or damaged cranes. Manitowoc Crane Care operates in 15 countries at 22 locations.

  7. Catenary maintenance vehicle - Wikipedia

    en.wikipedia.org/wiki/Catenary_Maintenance_Vehicle

    An Amtrak catenary maintenance vehicle. Both a crane and a movable platform can be seen on the vehicle's roof. A catenary maintenance vehicle (also known as a tower wagon or tower car) is a railroad maintenance of way vehicle that is used to maintain and inspect overhead line (also known as catenary) on electrified railroad or metro tracks.

  8. The Manitowoc Company - Wikipedia

    en.wikipedia.org/wiki/The_Manitowoc_Company

    The Manitowoc Company, Inc. is an American manufacturer which produces cranes and previously produced commercial refrigeration and marine equipment. It was founded in 1902 and, through its wholly owned subsidiaries, designs, manufactures, markets, and supports mobile telescopic cranes, tower cranes, lattice-boom crawler cranes, and boom trucks under the Grove, Manitowoc, National Crane, Potain ...

  9. Tower cranes - Wikipedia

    en.wikipedia.org/?title=Tower_cranes&redirect=no

    This page was last edited on 1 July 2006, at 20:02 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...

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