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2. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   Because there is a traveling pulley at the load, this doubles the mechanical advantage of the fixed (anchored) sprocket assembly, leading to a total mechanical advantage of 2 × ⁠ P 1 / P 1 − P 2 ⁠. For instance, a 1-ton differential chain fall might have a 15-pocket and a 14-pocket sprocket set.

3. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   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.

4. Overhead crane - Wikipedia

   en.wikipedia.org/wiki/Overhead_crane

   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. See the Hoists Manufacturers Institute site [2] for true life calculation, which is based on load and hours used. In today's modern world for the ...

5. Marmon-Herrington - Wikipedia

   en.wikipedia.org/wiki/Marmon-Herrington

   The Marmon-Herrington Company, Inc. is an American manufacturer of axles and transfer cases for trucks and other vehicles. [1] Earlier, the company built military vehicles and some tanks during World War II, and until the late 1950s or early 1960s was a manufacturer of trucks and trolley buses.

6. Material-handling equipment - Wikipedia

   en.wikipedia.org/wiki/Material-handling_equipment

   Cranes provide less flexibility in movement than industrial trucks because they only can operate within a restricted area, though some can operate on a portable base. Most cranes utilize trolley-and-tracks for horizontal movement and hoists for vertical movement, although manipulators can be used if precise positioning of the load is required.

7. Caitlin Clark's No. 22 to be retired during February ceremony ...

   www.aol.com/caitlin-clarks-no-22-retired...

   No Iowa Hawkeyes women's basketball player will wear Caitlin Clark's No. 22 again. The number will be retired in a ceremony Feb. 2 at Carver-Hawkeye Arena, the Iowa athletic department announced ...