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A crane is a machine used to move materials both vertically and horizontally, utilizing a system of a boom, hoist, wire ropes or chains, ... History of cranes.
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]
The list of historical harbour cranes includes historical harbour cranes from the Middle Ages to the introduction of metal cranes in the Industrial Revolution during the 19th century. Modern reconstructions are also listed.
A 13th century drawing of a treadwheel crane. A treadwheel crane (Latin: magna rota) is a wooden, human powered hoisting and lowering device. It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals. The often heavy charge is lifted as the individual inside the treadwheel crane walks.
John Crane is an American company, now a subsidiary of Smiths Group and provider of engineered products and services including mechanical seals, couplings, seal support systems, filtration systems and digital diagnostics technologies. The company services customers in the energy services sector including production, transmission and storage ...
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.
The tower crane, owned by New York Crane and Equipment Corp., was hoisting concrete to the 36th story of a luxury high-rise when a fire broke out in the machine’s cab, officials said.
John Landis Grove (January 26, 1921 – June 16, 2003) was an American inventor, industrialist and philanthropist. [1] He became known, primarily, for developing the hydraulic crane and access lift industries.