![]() In today's modern world for the North American market there are a few governing bodies for the industry. See the Hoists Manufacturers Institute site for true life calculation which is based on load and hours used. Now many hoists are package hoists, built as one unit in a single housing, generally designed for ten-year life, but the life calculation is based on an industry standard when calculating actual life. They also provide for easier maintenance. These built up hoists are used for heavy-duty applications such as steel coil handling and for users desiring long life and better durability. ![]() The original hoist contained components mated together in what is now called the built-up style hoist. Over the years important innovations, such as the Weston load brake (which is now rare) and the wire rope hoist (which is still popular), have come and gone. This crane was in service until approximately 1980, and is now in a museum in Birmingham, Alabama. Since that time Alliance Machine, now defunct, holds an AISE citation for one of the earliest cranes in the USA market. In 1876 Sampson Moore in England designed and supplied the first ever electric overhead crane, which was used to hoist guns at the Royal Arsenal in Woolwich, London. 1.2 EOT (Electric Overhead Traveling) Crane.
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