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The first Munck manufacturing plant was completed in 1946, and the number of employees increased rapidly from 30 to 300 people. This was mainly as a result of an order for 18 units of trolley buses for Bergen Sporvei - the local bus company, but also orders from several other bus companies in Norway.
A similar heavy-duty unit with a combination chain and cable became available in 1935 that was used by railroads, but lacked the success of the cable-only type units. [ 1 ] A similar tool to a come-along is a cable puller , which does not have a drum and ratchet but directly grips the cable, allowing unlimited lengths of wire rope to be used.
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.
A wire rope clamp designed to loop wire cable without the losing the integrity of the wire was invented by Oliver Crosby in 1886. [3] American Manufacturing Company invented further enhancements to the construction industry by establishing steam-powered hoists in 1889 and the largest electric hoists, up to 15 hp.
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 ]
1887: The Ludwig Stuckenholz company introduces electrical components to overhead cranes, determining industry design. 1910: The first mass-produced electric motor hoist starts in Germany. Configurations: While sharing major components, overhead cranes are manufactured in a number of configurations based on applications.
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