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2. Differential pulley - Wikipedia

   en.wikipedia.org/wiki/Differential_pulley

   The differential pulley was invented in 1854 by Thomas Aldridge Weston from King's Norton, England. [2] The pulleys were manufactured in collaboration with Richard and George Tangye. According to Richard Tangye's autobiography, the Weston differential pulley evolved from the Chinese windlass, with an endless chain replacing the finite length of ...

3. Caster - Wikipedia

   en.wikipedia.org/wiki/Caster

   However, the larger the diameter of a caster wheel, the higher the caster support arm must be. Either the base of a low-hanging object must be lifted higher above the wheels, or the casters must hang out to the sides straddling the low-hanging supported object. While rotating around the vertical shaft, swivel caster wheels sweep out a space.

4. Artillery wheel - Wikipedia

   en.wikipedia.org/wiki/Artillery_wheel

   A similar design was used for a gun carriage for the US Army's 3.2-inch gun in 1881, with a wheel diameter of 57 inches (1,448 mm), based on testing of an Archibald Wheel Company design. By 1917, the 14-spoke wheel evolved to have 16 spokes, 0.5 inches (12.7 mm) high-carbon-steel tires, 2.875 inches (73.0 mm), felloes (8 sawed or 2 bent ...

5. Pulley - Wikipedia

   en.wikipedia.org/wiki/Pulley

   A pulley is a wheel on an axle or shaft enabling a taut cable or belt passing over the wheel to move and change direction, or transfer power between itself and a shaft. A sheave or pulley wheel is a pulley using an axle supported by a frame or shell ( block ) to guide a cable or exert force.

6. Conveyor belt - Wikipedia

   en.wikipedia.org/wiki/Conveyor_belt

   A conveyor belt is the carrying medium of a belt conveyor system (often shortened to belt conveyor). A belt conveyor system is one of many types of conveyor systems.A belt conveyor system consists of two or more pulleys (sometimes referred to as drums), with a closed loop of carrying medium—the conveyor belt—that rotates about them.

7. Limbers and caissons - Wikipedia

   en.wikipedia.org/wiki/Limbers_and_caissons

   Horse artillery—rows of limbers and caissons, each pulled by teams of six horses with three postilion riders and an escort on horseback (1933, Poland). A limber is a two-wheeled cart designed to support the trail of an artillery piece, or the stock of a field carriage such as a caisson or traveling forge, allowing it to be towed.