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The double girder overhead crane structure is used for heavier applications up to 125 tons and reaching over 100 feet of span. It can also be used to gain lifting height because the hoist of the double girder overhead crane is placed on the beams and the hook fits between them. Suspended Overhead Crane. The rails of a suspended overhead crane ...
The Pawling & Harnischfeger business had become known as Harnischfeger Corporation following the death of Alonzo Pawling in 1911. [4] By the mid-1920s, the firm had become a large and growing supplier of crawler-mounted shovels and cranes applied to construction and mining operations – all bearing the familiar “P&H” trademark that had become synonymous with exceptional quality and ...
After the death of Ellen in 1957, the company was purchased by Frank Griswold, who ran the company in its purchased form until 1958, when he lost access to the American Monorail product line. On May 1, 1959, the Twin City Monorail Company was formed. [ 6 ]
The roots of Demag date back prior to its formation, but became Märkische Maschinenbau-Anstalt, Ludwig A.-G in 1906 as the biggest crane building company in Germany employing 250-300 people. The company was a manufacturer of industrial cranes that included types like, bridge cranes , hoist (device) , overhead cranes , Gantry crane to name a few.
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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.
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.
Konecranes is one of the largest crane manufacturers in the world [3] and it produces about one in ten of the world's cranes, [4] of which around 80% are for use in factories, the rest at ports. [5] Konecranes operates in over 50 countries and has about 16,500 employees.