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2. Pulley - Wikipedia

   en.wikipedia.org/wiki/Pulley

   Flat belt on a belt pulley Belt and pulley system Cone pulley driven from above by a line shaft. A belt and pulley system is characterized by two or more pulleys in common to a belt. This allows for mechanical power, torque, and speed to be transmitted across axles. If the pulleys are of differing diameters, a mechanical advantage is realized.

3. William Dana Ewart - Wikipedia

   en.wikipedia.org/wiki/William_Dana_Ewart

   During this period, cranes and excavators shared many similarities. Huge steam shovels and steam cranes operated from railroad chassis. Workers laid rail tracks where the shovel was expected to work, then repositioned as required. Link-Belt Machinery quickly developed a steam-powered crane for wide-gauge rails. It used a clamshell-bucket for ...

4. Block and tackle - Wikipedia

   en.wikipedia.org/wiki/Block_and_tackle

   A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.

5. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   The generally accepted definition of a crane is a machine for lifting and moving heavy objects by means of ropes or cables suspended from a movable arm. As such, a lifting machine that does not use cables, or else provides only vertical and not horizontal movement, cannot strictly be called a 'crane'. Types of crane-like lifting machine include:

6. Rigging (material handling) - Wikipedia

   en.wikipedia.org/wiki/Rigging_(material_handling)

   Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks used with cranes and other lifting equipment [1] in material handling and structure relocation. Rigging systems commonly include shackles, master links and slings, and lifting bags in underwater lifting.

7. Lifting equipment - Wikipedia

   en.wikipedia.org/wiki/Lifting_equipment

   Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. [1] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts, and can also include smaller accessories such as chains ...