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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 ...
Manitowoc lattice-boom crawler cranes was the beginning of Manitowoc Cranes until the major acquisitions in 2001. In 1969, Manitowoc introduced its flagship crane, the Model 4100W. Manitowoc introduced its first self-erecting, all-hydraulic crane, the Model M-250, in 1992.
Gradually Universal Excavators designed by Bucyrus-Erie replaced Ruston & Hornsby designed models. The original range of standardised rope-operated machines included 10RB, 17RB, 19RB, and 33RB and were upgraded through some intermediate models including the 54RB to a main selling range in the 1960s of 22RB, 30RB, 38RB, 61RB, and 71RB.
In 1959 crane expert R.H.Neal, hydraulics specialist F.Taylor, and design director Bob Lester, integrated all three and modernized cranes. The Coles Hydra Speedcrane appeared in 1962, further modified with the 10-ton fully telescopic hydraulic boom in 1966, followed in 1968 by the 30-ton "Husky" military versions with four-wheel drive .
Thomas P. Scanlan (1896–1986), was the founder and publisher of the Chicago-based Surplus Record. Mr. Scanlan was a University of Notre Dame graduate. After World War I, he began Surplus Record, which grew into a national trade publication for the used-machinery business which listed used machine tools and capital equipment.
DoneDeal is an Irish online marketplace focused on helping buyers and sellers of cars in Ireland. In 2019, the site listed more cars for sale in Ireland than any other website. The site was founded in May 2005 by Fred Karlsson, a native of Sweden, and his Irish wife Geraldine. [1] The site currently has over 300,000 live ads.
A steam crane is a crane powered by a steam engine. It may be fixed or mobile and, if mobile, it may run on rail tracks , caterpillar tracks , road wheels, or be mounted on a barge. [ citation needed ] It usually has a vertical boiler placed at the back so that the weight of the boiler counterbalances the weight of the jib and load.
To hoist the steel, structural ironworkers use cables connected to the crane to lift the beams onto the steel columns. A rope called a tagline is attached to the beams so an ironworker can control them when needed. The crane hoists steel into place, and the ironworkers position the beams with spud wrenches to align bolt holes.